# Symprex Knowledge Base

## Documentation Sets

- [symprex-knowledgebase](https://support.symprex.com/llms-full.txt)

## Docs

- [Exchange Transport Agent](https://support.symprex.com/raw/email-signature-manager/exchange-transport-agent.md): Documentation for the Email Signature Manager Exchange Transport Agent
- [Managing the Email Signature Manager Transport Agent registration](https://support.symprex.com/raw/email-signature-manager/exchange-transport-agent/managing-the-email-signature-manager-transport-agent-registration.md): Use Exchange Management Shell to verify, register, enable, disable, or remove the Email Signature Manager Transport Agent.
- [Exchange Server still uses old version after upgrading Email Signature Manager Transport Agent](https://support.symprex.com/raw/email-signature-manager/exchange-transport-agent/old-version-after-transport-agent-upgrade.md): Fix Exchange Server using an old transport agent version after upgrade by restarting the Exchange Transport Service.
- [Are email signatures visible when composing emails?](https://support.symprex.com/raw/email-signature-manager/frequently-asked-questions/are-email-signatures-visible-when-composing-emails.md): Learn when signatures appear during composition in Outlook, Outlook on the web, and other email clients.
- [Can users make changes to the email signature?](https://support.symprex.com/raw/email-signature-manager/frequently-asked-questions/can-users-make-changes-to-the-email-signature.md): See when users can edit deployed signatures in Outlook options or compose windows, and when changes are overwritten.
- [Frequently Asked Questions](https://support.symprex.com/raw/email-signature-manager/frequently-asked-questions.md): Common questions and answers about Email Signature Manager
- [General](https://support.symprex.com/raw/email-signature-manager/general.md): General information and overview for Email Signature Manager
- [Supported versions of Email Signature Manager](https://support.symprex.com/raw/email-signature-manager/general/supported-versions-of-email-signature-manager.md): Check supported Email Signature Manager and Agent versions for Exchange Server Subscription Edition and limited Microsoft 365 use.
- [Email Signature Manager](https://support.symprex.com/raw/email-signature-manager.md): Browse setup, troubleshooting, FAQs, release notes, and transport agent guidance for Email Signature Manager.
- [Additional Mobile Rules](https://support.symprex.com/raw/email-signature-manager/internal/additional-mobile-rules.md): Create extra mobile replacement rules when iOS or Android Outlook signatures add linked default text.
- [Agent Command Line Switches](https://support.symprex.com/raw/email-signature-manager/internal/agent-command-line-switches.md): Reference executable agent command-line switches for service URLs, database connections, update-and-exit, and tray icon behaviour.
- [Agent fails to connect to CAS due to old or incorrect SCP](https://support.symprex.com/raw/email-signature-manager/internal/agent-fails-to-connect-to-cas-due-to-old-or-incorrect-scp.md): Remove stale Service Connection Point entries so the agent connects to the correct Client Access Service.
- [Agent Microsoft Installer (MSI) Switches](https://support.symprex.com/raw/email-signature-manager/internal/agent-msi-installer-switches.md): Use standard Microsoft Installer (MSI) switches to install the Email Signature Manager Agent and generate installation logs.
- [Agent optional command line arguments](https://support.symprex.com/raw/email-signature-manager/internal/agent-optional-command-line-arguments.md): Review optional agent arguments for update-and-exit, hidden tray icons, and custom update intervals.
- [Agent Registry Values](https://support.symprex.com/raw/email-signature-manager/internal/agent-registry-values.md): Find agent registry keys for profile, web service, tray icon, and related deployment settings.
- [Agent reporting "need admin approval"](https://support.symprex.com/raw/email-signature-manager/internal/agent-reporting-need-admin-approval.md): Resolve EWS admin approval errors by granting tenant consent for the Email Signature Manager Agent.
- [Certificate validation checks in on-prem products](https://support.symprex.com/raw/email-signature-manager/internal/certificate-validation-checks-in-on-prem-products.md): Configure certificate validation behaviour for Symprex on-premises products using Common registry settings.
- [Change number of threads Email Signature Manager Service uses.](https://support.symprex.com/raw/email-signature-manager/internal/change-number-of-threads-email-signature-manager-service-uses.md): Adjust the Email Signature Manager Service thread count through the Process Users Thread Count registry setting.
- [Configuration File Location](https://support.symprex.com/raw/email-signature-manager/internal/configuration-file-location.md): Find mac agent configuration file locations and verify users can read and write the files.
- [Database corruption](https://support.symprex.com/raw/email-signature-manager/internal/database-corruption.md): Repair steps for the built-in Email Signature Manager MDB database after corruption.
- [Disable User Access Control](https://support.symprex.com/raw/email-signature-manager/internal/disable-user-access-control.md): Disable Email Signature Manager access control when administrators can no longer make application changes.
- [Email Signature Manager Agent cannot support Microsoft One Outlook](https://support.symprex.com/raw/email-signature-manager/internal/email-signature-manager-agent-cannot-support-microsoft-one-outlook.md): Understand why the agent cannot manage signatures in New Outlook and how to block One Outlook.
- [Email Signature Manager registry settings](https://support.symprex.com/raw/email-signature-manager/internal/email-signature-manager-registry-settings.md): Reference Email Signature Manager registry settings for attachments, upload attempts, and other server options.
- [Ensure a signature is being generated for a user](https://support.symprex.com/raw/email-signature-manager/internal/ensure-a-signatures-is-being-generated-for-the-user.md): Troubleshoot service-side signature generation before deployment by forcing updates and checking Status Monitor results.
- [Ensure the agent is deploying the signature](https://support.symprex.com/raw/email-signature-manager/internal/ensure-the-agent-is-deploying-the-signature.md): Check whether the agent downloads signatures through Client Access Service or EWS and verify deployment steps.
- [Ensure a user is configured for deployment](https://support.symprex.com/raw/email-signature-manager/internal/ensure-the-user-is-configured-for-deployment.md): Confirm users are correctly targeted for deployment and have required Active Directory account details.
- [Error Messages](https://support.symprex.com/raw/email-signature-manager/internal/error-messages.md): Browse internal Email Signature Manager error message articles and related fixes.
- [Error: "The user does not have a valid User Principal Name"](https://support.symprex.com/raw/email-signature-manager/internal/error-the-user-does-not-have-a-valid-user-principal-name.md): Fix excluded users with invalid User Principal Names so signatures can be generated and deployed.
- [Exchange Online RBAC Deprecation](https://support.symprex.com/raw/email-signature-manager/internal/exchange-online-rbac-deprecation.md): Learn how Symprex on-premises products replace deprecated ApplicationImpersonation access with full_access_as_app permissions.
- [Generate a debug log file for Email Signature Manager Agent V1](https://support.symprex.com/raw/email-signature-manager/internal/generate-a-debug-log-file-for-email-signature-manager-agent-v1.md): Create a debug log for Agent V1 by running SignAgent.exe with logging switches.
- [Generate a debug log file for Email Signature Manager Deployment Tool V5/V6](https://support.symprex.com/raw/email-signature-manager/internal/generate-a-debug-log-file-for-email-signature-manager-deployment-tool-v5-v6.md): Create a debug log for Deployment Tool V5 or V6 from the command line.
- [Generate a debug log file for the Email Signature Manager Client Access Service](https://support.symprex.com/raw/email-signature-manager/internal/generate-a-debug-log-file-for-the-email-signature-manager-client-access-service.md): Generate a debug log for the Client Access Service by restarting it with logging enabled.
- [Generate a debug log file for the Email Signature Manager GUI V5/V6](https://support.symprex.com/raw/email-signature-manager/internal/generate-a-debug-log-file-for-the-email-signature-manager-gui-v5-v6.md): Generate a debug log for the Email Signature Manager GUI V5 or V6.
- [Generate a debug log file for the Email Signature Manager GUI V7](https://support.symprex.com/raw/email-signature-manager/internal/generate-a-debug-log-file-for-the-email-signature-manager-gui-v7.md): Generate a debug log for the Email Signature Manager GUI V7.
- [Generate a debug log file for the Email Signature Manager Service](https://support.symprex.com/raw/email-signature-manager/internal/generate-a-debug-log-file-for-the-email-signature-manager-service.md): Generate a debug log for the Email Signature Manager Service by restarting it with logging enabled.
- [Generate a debug log file for the Email Signature Manager Transport Agent](https://support.symprex.com/raw/email-signature-manager/internal/generate-a-debug-log-file-for-the-email-signature-manager-transport-agent.md): Enable registry-based logging to capture a detailed debug log from the Exchange transport agent.
- [How to setup the Signature Injection Service for Microsoft 365](https://support.symprex.com/raw/email-signature-manager/internal/how-to-setup-the-signature-injection-service-for-office-365.md): Set up the Microsoft 365 Signature Injection Service after upgrading Email Signature Manager and configuring Microsoft 365.
- [Known Issues](https://support.symprex.com/raw/email-signature-manager/internal/known-issues.md): Browse internal known issues and fixes for Email Signature Manager.
- [Mac Agent](https://support.symprex.com/raw/email-signature-manager/internal/mac-agent.md): Browse internal documentation for the Email Signature Manager Mac Agent.
- [Manually creating an Email Signature Manager (ESM) SCP](https://support.symprex.com/raw/email-signature-manager/internal/manually-creating-esm-scp.md): Create the Email Signature Manager Service Connection Point manually in ADSI Edit.
- [Manually registering an Entra ID application for Symprex on-premises products](https://support.symprex.com/raw/email-signature-manager/internal/manually-registering-an-entra-id-application-for-symprex-on-premises-products.md): Manually register an Entra ID app and certificate for Symprex on-premises Microsoft 365 integration.
- [No Outlook profiles found; unable to update signatures](https://support.symprex.com/raw/email-signature-manager/internal/no-outlook-profiles-found-unable-to-update-signatures.md): Fix No Outlook profiles found errors by verifying Outlook installation and service account prerequisites.
- [Notes on debug logging in Email Signature Manager](https://support.symprex.com/raw/email-signature-manager/internal/notes-on-debug-logging-in-email-signature-manager.md): Review when to use Verbose, RawData, and TcpIp switches for Email Signature Manager debug logging.
- [Microsoft 365](https://support.symprex.com/raw/email-signature-manager/internal/office-365.md): Browse internal Microsoft 365 setup and troubleshooting articles for Email Signature Manager.
- [On-premises software - configuration and licence transfer](https://support.symprex.com/raw/email-signature-manager/internal/on-premise-software-configuration-and-licence-transfer.md): Transfer on-premises Symprex configuration and licence registry data between devices when appropriate.
- [Other Details](https://support.symprex.com/raw/email-signature-manager/internal/other-details.md): Browse internal reference articles for additional Email Signature Manager details.
- [Outlook DPI](https://support.symprex.com/raw/email-signature-manager/internal/outlook-dpi.md): Compare how Outlook and Symprex signatures render images at different Windows DPI settings.
- [Proxy Server](https://support.symprex.com/raw/email-signature-manager/internal/proxy-server.md): Configure proxy settings for supported Symprex on-premises products using netsh.
- [Send on Behalf of Signatures](https://support.symprex.com/raw/email-signature-manager/internal/send-on-behalf-of-signatures.md): Deploy Send on Behalf signatures for shared mailboxes and understand default signature limitations.
- [Service Account incorrect permissions](https://support.symprex.com/raw/email-signature-manager/internal/service-account-incorrect-permissions.md): Fix service account impersonation permission errors by recreating the account with the correct setup.
- [Service Account Password Expired/Pending password change](https://support.symprex.com/raw/email-signature-manager/internal/service-account-password-expired-pending-password-change.md): Resolve service-wide 457 errors caused by expired or pending service account password changes.
- [Service Result Troubleshooting](https://support.symprex.com/raw/email-signature-manager/internal/service-result-troubleshooting.md): Use Status Monitor and Service Result logs to diagnose missing users and deployment errors.
- [Settings stored in mailboxes by the agent](https://support.symprex.com/raw/email-signature-manager/internal/settings-stored-in-mailboxes-by-the-agent.md): See how the agent stores hidden mailbox settings for deployed signatures and signature preferences.
- [Troubleshooting Document (Outlook)](https://support.symprex.com/raw/email-signature-manager/internal/troubleshooting-document-outlook.md): Follow the three-step Outlook troubleshooting path for user targeting, signature generation, and agent deployment.
- [Troubleshooting Mac Agent issues](https://support.symprex.com/raw/email-signature-manager/internal/troubleshooting-mac-agent-issues.md): Use macOS Console logs to troubleshoot Email Signature Manager Mac Agent installation issues.
- [Unable to acquire the OAuth token to connect to Exchange Web Services](https://support.symprex.com/raw/email-signature-manager/internal/unable-to-acquire-the-oauth-token-to-connect-to-exchange-web-services.md): Fix expired Microsoft 365 OAuth tokens by upgrading or re-authenticating Exchange Web Services access.
- [Uninstalling Email Signature Manager version 4 fails](https://support.symprex.com/raw/email-signature-manager/internal/uninstalling-email-signature-manager-version-4-fails.md): Manually remove Email Signature Manager version 4 when the standard uninstall fails.
- [Uninstalling Microsoft Installer (MSI) version of the agent](https://support.symprex.com/raw/email-signature-manager/internal/uninstalling-msi-version-of-the-agent.md): Identify the installed Microsoft Installer (MSI) package and uninstall the Email Signature Manager Agent by product code.
- [User does not appear in the status monitor](https://support.symprex.com/raw/email-signature-manager/internal/user-does-not-appear-in-the-status-monitor.md): Fix missing users in Status Monitor by checking their Active Directory email address.
- [User email address setting](https://support.symprex.com/raw/email-signature-manager/internal/user-email-address-setting.md): Set or inspect the Mac Agent UserEmailAddress preference stored in plist files.
- [Where to find the user's guide for Email Signature Manager](https://support.symprex.com/raw/email-signature-manager/internal/where-to-find-the-user-s-guide-for-email-signature-manager.md): Find user guide links for older Email Signature Manager versions and open help with F1.
- [Image in email signature in reply email is replaced with placeholder ](https://support.symprex.com/raw/email-signature-manager/problems-solutions/image-in-email-signature-in-reply-email-is-replaced-with-placeholder.md): Learn why iPhone and iPad Mail replaces reply images with filenames and why no product fix exists.
- [Problems & Solutions](https://support.symprex.com/raw/email-signature-manager/problems-solutions.md): Troubleshooting guides and known issues for Email Signature Manager
- [OWA signatures are not updating in Microsoft 365](https://support.symprex.com/raw/email-signature-manager/problems-solutions/owa-signatures-are-not-updating-in-office-365.md): Fix Microsoft 365 OWA signature updates blocked by roaming signatures and review Signature 365 migration guidance.
- [Uninstalling the Email Signature Manager Agent programmatically](https://support.symprex.com/raw/email-signature-manager/problems-solutions/uninstalling-the-email-signature-manager-agent-programmatically.md): Programmatically remove ClickOnce or Microsoft Installer (MSI) agent installations with PowerShell or MSI uninstall commands.
- [User is not receiving signature and is not visible in Email Signature Manager](https://support.symprex.com/raw/email-signature-manager/problems-solutions/user-is-not-receiving-signature-and-is-not-visible-in-email-signature-manager.md): Fix users missing from deployment by completing required Active Directory logon name and email fields.
- [Email Signature Manager Agent V4 Release Notes](https://support.symprex.com/raw/email-signature-manager/release-notes-agent/email-signature-manager-agent-v4-release-notes.md): Review Email Signature Manager Agent 4 release notes, including image handling, logging, and security updates.
- [Email Signature Manager Agent V5 Release Notes](https://support.symprex.com/raw/email-signature-manager/release-notes-agent/email-signature-manager-agent-v5-release-notes.md): Review Email Signature Manager Agent 5 release notes for Email Signature Manager 11 and Microsoft 365 support changes.
- [Release Notes (Agent)](https://support.symprex.com/raw/email-signature-manager/release-notes-agent.md): Release history for the Email Signature Manager Exchange Transport Agent
- [Email Signature Manager V10 Release Notes](https://support.symprex.com/raw/email-signature-manager/release-notes/email-signature-manager-v10-release-notes.md): See Email Signature Manager 10 release history, including Microsoft 365 access changes, fixes, and service improvements.
- [Email Signature Manager V11 Release Notes](https://support.symprex.com/raw/email-signature-manager/release-notes/email-signature-manager-v11-release-notes.md): See Email Signature Manager 11 release history, including fixes and Signature 365 migration improvements.
- [Release Notes](https://support.symprex.com/raw/email-signature-manager/release-notes.md): Release history for Email Signature Manager
- [Animated gif images are not supported by Outlook and most other email clients](https://support.symprex.com/raw/email-signature-manager/review/animated-gif-images-are-not-supported-by-outlook-and-most-other-email-clients.md): Understand why animated GIFs do not animate in Outlook and most email clients.
- [Can email signatures include logos and other graphics?](https://support.symprex.com/raw/email-signature-manager/review/can-email-signatures-include-logos-and-other-graphics.md): Learn how to use logos, icons, photos, and QR codes in signatures with hosted images.
- [Can the agent be configured to update signatures at logon and then exit?](https://support.symprex.com/raw/email-signature-manager/review/can-the-agent-be-configured-to-update-signatures-at-logon-and-then-exit.md): Configure the agent to update signatures at logon, then exit instead of running continuously.
- [Could not access network location when trying to uninstall a Microsoft Installer (MSI) package](https://support.symprex.com/raw/email-signature-manager/review/could-not-access-network-location-when-trying-to-uninstall-msi-package.md): Force uninstall broken Microsoft Installer (MSI) packages when the original network share is no longer available.
- [Deployment to Microsoft 365 fails](https://support.symprex.com/raw/email-signature-manager/review/deployment-to-office-365-fails.md): Troubleshoot common Email Signature Manager deployment failures to Microsoft 365 after confirming service account setup.
- [Email signature does not appear when composing email in Outlook](https://support.symprex.com/raw/email-signature-manager/review/email-signature-does-not-appear-when-composing-email-in-outlook.md): Troubleshoot missing Outlook compose signatures, including unsupported formats and meeting invitation template gaps.
- [Email signature does not appear when composing email in OWA](https://support.symprex.com/raw/email-signature-manager/review/email-signature-does-not-appear-when-composing-email-in-owa.md): Troubleshoot missing OWA compose signatures by checking deployment status and verifying the mailbox signature.
- [Email Signature Manager Agent sometimes removes all signatures](https://support.symprex.com/raw/email-signature-manager/review/email-signature-manager-agent-sometimes-removes-all-signatures.md): Resolve cases where the agent removes all signatures because of older agent or Client Access Service issues.
- [Email Signature Manager Service fails to start due to process termination](https://support.symprex.com/raw/email-signature-manager/review/email-signature-manager-service-fails-to-start-due-to-process-terminating-unexpectedly.md): Fix service startup error 1067 caused by a corrupted Email Signature Manager status XML file.
- [Failed to create the Service Connection Point error during installation](https://support.symprex.com/raw/email-signature-manager/review/failed-to-create-the-service-connection-point-error-during-installation.md): Resolve Service Connection Point creation errors during installation by correcting Active Directory permissions.
- [How to deploy Outlook signatures when using Citrix XenApp](https://support.symprex.com/raw/email-signature-manager/review/how-to-deploy-outlook-signatures-when-using-citrix-xenapp.md): Run the agent in the same Citrix XenApp session as Outlook so signatures update at startup.
- [How to deploy Outlook signatures when using Microsoft RemoteApp](https://support.symprex.com/raw/email-signature-manager/review/how-to-deploy-outlook-signatures-when-using-microsoft-remoteapp.md): Run the agent in the same Microsoft RemoteApp session as Outlook so signatures update at startup.
- [How to disable text wrap in table cell](https://support.symprex.com/raw/email-signature-manager/review/how-to-disable-text-wrap-in-table-cell.md): Prevent table cell wrapping in signature HTML by setting white-space to nowrap on td elements.
- [How to include employee photos in email signatures](https://support.symprex.com/raw/email-signature-manager/review/how-to-include-employee-photos-in-email-signatures.md): Include employee photos by hosting emailaddress.jpg files and linking to them with the email merge field.
- [How to remove blue border around hyperlink images](https://support.symprex.com/raw/email-signature-manager/review/how-to-remove-blue-border-around-hyperlink-images.md): Remove hyperlink image borders by setting border, text-decoration, and outline styles on linked images.
- [How to remove underline on hyperlinks](https://support.symprex.com/raw/email-signature-manager/review/how-to-remove-underline-on-hyperlinks.md): Remove hyperlink underlines in signature HTML by setting text-decoration to none on anchor tags.
- [How to repair or fully rebuild Windows WMI Repository](https://support.symprex.com/raw/email-signature-manager/review/how-to-repair-or-fully-rebuild-windows-wmi-repository.md): Repair or rebuild the Windows WMI Repository when Email Signature Manager opens in Manager Only mode.
- [How to set the text colour on hyperlinks](https://support.symprex.com/raw/email-signature-manager/review/how-to-set-the-text-color-on-hyperlinks.md): Set hyperlink text colour by styling a span inside the anchor tag.
- [HTML and CSS support in the Outlook email client](https://support.symprex.com/raw/email-signature-manager/review/html-and-css-support-in-the-outlook-email-client.md): Review Outlook HTML and CSS limitations before designing signature templates.
- [Image in email signature is replaced with red X when email is created](https://support.symprex.com/raw/email-signature-manager/review/image-in-email-signature-is-replaced-with-red-x-when-email-is-created.md): Fix red X images during message creation by restoring image access or permissions.
- [Image in email signature is replaced with red X when email is received](https://support.symprex.com/raw/email-signature-manager/review/image-in-email-signature-is-replaced-with-red-x-when-email-is-received.md): Fix red X images for recipients by enabling linked image copying and Outlook send picture settings.
- [Image in email signature is wrong size in Outlook or OWA](https://support.symprex.com/raw/email-signature-manager/review/image-in-email-signature-is-wrong-size-in-outlook-or-owa.md): Fix oversized or distorted images in Outlook and OWA by specifying HTML dimensions or upgrading.
- [Image maps are not supported by Outlook and most other emails client](https://support.symprex.com/raw/email-signature-manager/review/image-maps-are-not-supported-by-outlook-and-most-other-emails-client.md): Learn why image maps fail in Outlook and use sliced linked images instead.
- [Review](https://support.symprex.com/raw/email-signature-manager/review.md): Documentation for the Email Signature Manager review and approval workflow
- [Is it mandatory to install the agent on workstations?](https://support.symprex.com/raw/email-signature-manager/review/is-it-mandatory-to-install-the-agent-on-workstations.md): Learn deployment options for the agent, including logon scripts, Microsoft Installer (MSI) rollout, and update-and-exit behaviour.
- [Signature can not be deployed to OWA because a user has a shared mailbox](https://support.symprex.com/raw/email-signature-manager/review/signature-can-not-be-deployed-to-owa-because-the-user-has-a-shared-mailbox.md): Resolve OWA deployment failures caused by users being linked to shared mailboxes.
- [Troubleshooting conditional statements in HTML templates](https://support.symprex.com/raw/email-signature-manager/review/troubleshooting-conditional-statements-in-html-templates.md): Fix HTML template conditional statements by keeping each expression on one line with exact formatting.
- [Troubleshooting the Email Signature Manager Transport Agent](https://support.symprex.com/raw/email-signature-manager/review/troubleshooting-the-email-signature-manager-transport-agent.md): Troubleshoot transport agent signature injection issues, installation status, and version-specific known issues.
- [Using logos and other images in email signatures](https://support.symprex.com/raw/email-signature-manager/review/using-logos-and-other-images-in-email-signatures.md): Follow image best practices for email signatures, including format, colour mode, DPI, and HTML sizing.
- [Which fonts can be used in email signatures](https://support.symprex.com/raw/email-signature-manager/review/which-fonts-can-be-used-in-email-signatures.md): Choose web-safe fonts for signatures so text renders consistently across email clients and operating systems.
- [Windows security warning shows when starting SignAgent.exe and how to unblock](https://support.symprex.com/raw/email-signature-manager/review/windows-security-warning-shows-when-starting-signagent-exe-and-how-to-unblock.md): Remove the Windows security warning on SignAgent.exe by unblocking the downloaded executable.
- [How to move Email Signature Manager to a different server](https://support.symprex.com/raw/email-signature-manager/setup/how-to-move-email-signature-manager-to-a-different-server.md): Move Email Signature Manager to a new server by recreating shares, moving the database, and reinstalling services.
- [How to perform automated installation in Manager Only mode](https://support.symprex.com/raw/email-signature-manager/setup/how-to-perform-automated-installation-in-manager-only-mode.md): Step-by-step guide to automating Manager Only installation with silent setup and copied settings from a full server.
- [Setup](https://support.symprex.com/raw/email-signature-manager/setup.md): Installation and configuration guides for Email Signature Manager
- [General](https://support.symprex.com/raw/folder-permissions-manager/general.md): General information and overview for Folder Permissions Manager
- [Logging permissions changes to SQL database](https://support.symprex.com/raw/folder-permissions-manager/general/logging-permissions-changes-to-sql-database.md): Learn how to enable SQL Server logging for permission changes and view the logged data in SQL Server Management Studio.
- [Supported versions of Folder Permissions Manager](https://support.symprex.com/raw/folder-permissions-manager/general/supported-versions-of-folder-permissions-manager.md): See supported Folder Permissions Manager versions, support end dates, and upgrade eligibility.
- [Folder Permissions Manager](https://support.symprex.com/raw/folder-permissions-manager.md): Browse Folder Permissions Manager guides, troubleshooting articles, and release notes.
- [Known Issues](https://support.symprex.com/raw/folder-permissions-manager/internal/known-issues.md): Browse internal known issues for Folder Permissions Manager.
- [This permissions could not be applied because the user identifier is invalid](https://support.symprex.com/raw/folder-permissions-manager/internal/this-permissions-could-not-be-applied-because-the-user-identifier-is-invalid.md): Troubleshoot the 'user identifier is invalid' error when applying permissions between Exchange Online and on-premises mailboxes.
- [Unable to access and manage folder permissions for Exchange Online Archive mailboxes](https://support.symprex.com/raw/folder-permissions-manager/problems-solutions/archive-mailbox-folder-permissions-access.md): Explains why Exchange Online Archive mailbox permissions cannot be managed and when support may become available.
- [Changing delegates removes delegates added in Exchange admin center](https://support.symprex.com/raw/folder-permissions-manager/problems-solutions/changing-delegates-removes-delegates-added-in-exchange-admin-center.md): Explains why changing delegates removes Exchange admin center delegates and how to avoid it.
- [Error occurs when applying changes to delegates on specific mailbox](https://support.symprex.com/raw/folder-permissions-manager/problems-solutions/error-occurs-when-applying-changes-to-delegates-on-specific-mailbox.md): Resolve delegate update errors caused by orphaned mailbox delegates in Exchange Web Services.
- [Folder Permissions Manager and the retirement of Exchange Web Services](https://support.symprex.com/raw/folder-permissions-manager/problems-solutions/exchange-web-services-retirement-in-exchange-online.md)
- [Folder Permissions Manager is slow with SQL database logging enabled](https://support.symprex.com/raw/folder-permissions-manager/problems-solutions/folder-permissions-manager-is-slow-with-sql-database-logging-enabled.md): Fix slow performance in Folder Permissions Manager when SQL database logging cannot connect reliably.
- [Problems & Solutions](https://support.symprex.com/raw/folder-permissions-manager/problems-solutions.md): Troubleshooting guides and known issues for Folder Permissions Manager
- [Timeout errors when using SQL database logging](https://support.symprex.com/raw/folder-permissions-manager/problems-solutions/timeout-errors-when-using-sql-database-logging.md): Fix intermittent SQL logging timeout errors by increasing the Folder Permissions Manager database command timeout.
- [Using Folder Permissions Manager in Hybrid Environments](https://support.symprex.com/raw/folder-permissions-manager/problems-solutions/using-folder-permissions-manager-in-hybrid-environments.md): Understand Folder Permissions Manager limitations for hybrid Exchange permissions and Entra ID-only users.
- [Folder Permissions Manager V10 Release Notes](https://support.symprex.com/raw/folder-permissions-manager/release-notes/folder-permissions-manager-v10-release-notes.md): Latest Folder Permissions Manager 10 release notes, including February 2025 fixes and Exchange Online permission changes.
- [Folder Permissions Manager V9 Release Notes](https://support.symprex.com/raw/folder-permissions-manager/release-notes/folder-permissions-manager-v9-release-notes.md): Folder Permissions Manager 9 release history, fixes, and platform updates from 2021 to 2024.
- [Release Notes](https://support.symprex.com/raw/folder-permissions-manager/release-notes.md): Release history for Folder Permissions Manager
- [General](https://support.symprex.com/raw/out-of-office-extender/general.md): General information and guides for Out of Office Extender
- [Supported versions of Out of Office Extender](https://support.symprex.com/raw/out-of-office-extender/general/supported-versions-of-out-of-office-extender.md): See supported Out of Office Extender versions, support end dates, and upgrade eligibility.
- [Out of Office Extender](https://support.symprex.com/raw/out-of-office-extender.md): Browse Out of Office Extender guides and release notes for extended automatic reply management.
- [Release Notes](https://support.symprex.com/raw/out-of-office-extender/release-notes.md): Release history for Out of Office Extender
- [Out of Office Extender V10 release notes](https://support.symprex.com/raw/out-of-office-extender/release-notes/out-of-office-extender-v10-release-notes.md): Latest Out of Office Extender 10 release notes.
- [Out of Office Extender V8 Release Notes](https://support.symprex.com/raw/out-of-office-extender/release-notes/out-of-office-extender-v8-release-notes.md): Out of Office Extender 8 release history, fixes, and compatibility updates from 2021 to 2024.
- [Out of Office Extender V9 Release Notes](https://support.symprex.com/raw/out-of-office-extender/release-notes/out-of-office-extender-v9-release-notes.md): Latest Out of Office Extender 9 release notes, including February 2025 fixes and Exchange Online permission changes.
- [General](https://support.symprex.com/raw/out-of-office-manager/general.md): General information and guides for Out-of-Office Manager
- [Supported versions of Out-of-Office Manager](https://support.symprex.com/raw/out-of-office-manager/general/supported-versions-of-out-of-office-manager.md): See supported Out-of-Office Manager versions, support end dates, and upgrade eligibility.
- [Out-of-Office Manager](https://support.symprex.com/raw/out-of-office-manager.md): Browse Out-of-Office Manager guides and release notes for centrally managed automatic replies.
- [Release Notes](https://support.symprex.com/raw/out-of-office-manager/release-notes.md): Release history for Out-of-Office Manager
- [Out-of-Office Manager V10 Release Notes](https://support.symprex.com/raw/out-of-office-manager/release-notes/out-of-office-manager-v10-release-notes.md): Latest Out-of-Office Manager 10 release notes, including February 2025 fixes and Exchange Online permission changes.
- [Out of Office Manager V11 release notes](https://support.symprex.com/raw/out-of-office-manager/release-notes/out-of-office-manager-v11-release-notes.md): Latest Out of Office Manager 11 release notes.
- [Out-of-Office Manager V9 Release Notes](https://support.symprex.com/raw/out-of-office-manager/release-notes/out-of-office-manager-v9-release-notes.md): Out-of-Office Manager 9 release history, fixes, and compatibility updates from 2021 to 2024.
- [Enable legacy Exchange Online tokens](https://support.symprex.com/raw/signature-365/client-side/deployment-and-configuration/enable-legacy-exchange-online-tokens.md): Temporarily re-enable legacy Exchange Online tokens while upgrading the Signature 365 add-in or granting required permissions.
- [How Outlook client-side signatures work](https://support.symprex.com/raw/signature-365/client-side/deployment-and-configuration/how-outlook-client-side-signatures-work.md): Learn how Signature 365 client-side signatures are enabled and inserted in Outlook when the add-in is installed.
- [How to enable debug log in Outlook add-in](https://support.symprex.com/raw/signature-365/client-side/deployment-and-configuration/how-to-enable-debug-log-in-outlook-add-in.md): Enable or disable Outlook add-in debug logging in Windows by creating the required Office registry keys.
- [How to install the Outlook add-in](https://support.symprex.com/raw/signature-365/client-side/deployment-and-configuration/how-to-install-the-outlook-add-in.md): Deploy the Signature 365 Outlook add-in from Microsoft 365 or supported Outlook clients so users can preview and insert signatures.
- [How to install the Outlook (Classic) agent](https://support.symprex.com/raw/signature-365/client-side/deployment-and-configuration/how-to-install-the-outlook-classic-agent.md): Install the Signature 365 Classic Agent for Outlook 2016 to 2024 using a Microsoft Installer (MSI) package or ClickOnce, including system requirements and limitations.
- [How to set Outlook default fonts for all users](https://support.symprex.com/raw/signature-365/client-side/deployment-and-configuration/how-to-set-outlook-default-fonts-for-all-users.md): Use the Symprex Email Signature Utility to set default Outlook messaging fonts for all users with Signature 365.
- [Deployment and configuration](https://support.symprex.com/raw/signature-365/client-side/deployment-and-configuration.md): Guides for deploying Signature 365 client-side signatures, configuring Outlook behaviour, and managing related installation requirements.
- [Managing Outlook's default signature options with the Signature 365 Outlook add-in](https://support.symprex.com/raw/signature-365/client-side/deployment-and-configuration/managing-outlook-default-signature-options.md): Configure how the Signature 365 Outlook add-in inserts default signatures and handles Outlook's built-in settings.
- [Managing personal signatures, fonts and stationery for Outlook Classic desktop](https://support.symprex.com/raw/signature-365/client-side/deployment-and-configuration/managing-personal-signatures-classic-outlook.md): Use the Symprex Email Signature Utility to manage Classic Outlook fonts, stationery, and personal signatures on local devices.
- [Managing personal signatures, fonts and stationery for "New" Outlook and Outlook on the web](https://support.symprex.com/raw/signature-365/client-side/deployment-and-configuration/managing-personal-signatures-new-outlook-owa.md): Use Exchange Online PowerShell to manage New Outlook and Outlook on the web fonts, stationery, and user-created signatures.
- [Updating the Signature 365 Outlook add-in](https://support.symprex.com/raw/signature-365/client-side/deployment-and-configuration/updating-the-signature-365-outlook-add-in.md): Manually update the Signature 365 Outlook add-in when a major release requires redeployment through Microsoft 365 or manifest-based installs.
- [Version requirements for the Outlook mobile add-in](https://support.symprex.com/raw/signature-365/client-side/deployment-and-configuration/version-requirements-for-the-outlook-mobile-add-in.md): Check the Outlook Mobile and Signature 365 add-in versions required to use client-side signatures on iOS and Android.
- [Client-side signatures](https://support.symprex.com/raw/signature-365/client-side.md): Documentation for all versions of the Outlook add-in and agent
- [Can the Signature 365 button be hidden from the Outlook ribbon?](https://support.symprex.com/raw/signature-365/client-side/troubleshooting/can-the-siganture-365-button-be-hidden.md)
- [Creating a security group using dynamic group membership](https://support.symprex.com/raw/signature-365/client-side/troubleshooting/creating-a-security-group-using-dynamic-group-membership.md): Create an Entra ID dynamic security group to deploy the Signature 365 add-in automatically while excluding selected users.
- [Current versions of Signature 365 software](https://support.symprex.com/raw/signature-365/client-side/troubleshooting/current-versions-of-signature-365-software.md): See the current released versions of Signature 365 add-ins, agents, and connectors, plus how each update method works.
- [Disabling Outlook signatures in New Outlook and OWA](https://support.symprex.com/raw/signature-365/client-side/troubleshooting/disabling-outlook-signatures-in-new-outlook-and-owa.md): Disable built-in signatures in New Outlook and Outlook on the web using Exchange admin center OWA policies.
- [Existing outlook email templates insert signature above email body](https://support.symprex.com/raw/signature-365/client-side/troubleshooting/existing-outlook-email-templates-insert-signature-above-email-body.md): Fix signatures appearing above existing Outlook template content by recreating the email template.
- [How to enable remote logging in the Outlook add-in](https://support.symprex.com/raw/signature-365/client-side/troubleshooting/how-to-enable-remote-logging-in-the-outlook-add-in.md): Enable remote logging in the Signature 365 Outlook add-in so support can diagnose issues across supported Outlook clients.
- [HTML tags are shown for weblinks and images](https://support.symprex.com/raw/signature-365/client-side/troubleshooting/html-tags-are-shown-for-weblinks-and-images.md): Resolve Outlook showing hyperlink or image field codes by toggling the built-in Document Properties view with Alt+F9.
- [Troubleshooting](https://support.symprex.com/raw/signature-365/client-side/troubleshooting.md): Troubleshooting articles for Signature 365 client-side signatures, Outlook add-ins, mobile support, and common deployment issues.
- [Nested app authentication (NAA) and deprecation of Exchange legacy tokens](https://support.symprex.com/raw/signature-365/client-side/troubleshooting/nested-app-authentication-naa-and-deprecation-of-exchange-legacy-tokens.md): Learn how Exchange legacy token deprecation affects Signature 365 and choose between upgrading to NAA, granting permissions, or re-enabling tokens.
- [Outlook add-in is not adding default signatures to email](https://support.symprex.com/raw/signature-365/client-side/troubleshooting/outlook-add-in-is-not-adding-default-signatures-to-email.md): Fix Outlook on Windows not auto-inserting Signature 365 default signatures by updating to the required Outlook build.
- [Outlook add-in is not being deployed to users as expected](https://support.symprex.com/raw/signature-365/client-side/troubleshooting/outlook-add-in-is-not-being-deployed-to-users-as-expected.md): Troubleshoot delayed or missing Signature 365 Outlook add-in deployment in Microsoft 365, including wait times and direct group membership.
- [Outlook add-in: Opening the Outlook devtools debug window](https://support.symprex.com/raw/signature-365/client-side/troubleshooting/outlook-add-in-opening-the-outlook-devtools-debug-window.md): Open the Outlook devtools window in New Outlook, classic Outlook, or OWA to capture Signature 365 add-in console logs.
- [Outlook Classic - add-in shows "Signature 365 | The operation failed." when composing a new email](https://support.symprex.com/raw/signature-365/client-side/troubleshooting/outlook-add-in-shows-internal-error-the-operation-failed.md)
- [Outlook Classic inserts a ? instead of the correct character when adding a Signature 365 signature](https://support.symprex.com/raw/signature-365/client-side/troubleshooting/outlook-classic-wrong-character-when-inserting.md): Fix Outlook Classic replacing accented or special characters with question marks when inserting Signature 365 signatures.
- [Outlook Desktop - Images appear as attachments when email is saved as draft](https://support.symprex.com/raw/signature-365/client-side/troubleshooting/outlook-desktop-images-appear-as-attachments-when-email-is-saved-as-draft.md): Understand the Outlook desktop draft bug that shows embedded signature images as attachments and Microsoft's pending fix.
- [Signature 365 agent authentication script error](https://support.symprex.com/raw/signature-365/client-side/troubleshooting/signature-365-agent-authentication-script-error.md): Fix Signature 365 agent authentication script errors by switching authentication to the system browser with the required registry setting.
- [Signature 365 Classic Agent cannot support Microsoft One Outlook](https://support.symprex.com/raw/signature-365/client-side/troubleshooting/signature-365-classic-agent-cannot-support-microsoft-one-outlook.md): Learn why the Signature 365 Classic Agent cannot work with Microsoft's new Outlook and how to block the switch.
- [Signature 365 Outlook add-in is removed after log out](https://support.symprex.com/raw/signature-365/client-side/troubleshooting/signature-365-outlook-add-in-is-removed-after-log-out.md): Prevent the Signature 365 Outlook add-in disappearing after log out by preserving Outlook cache folders on roaming-profile environments.
- [Signature images appear as attachments in web mail services](https://support.symprex.com/raw/signature-365/client-side/troubleshooting/signature-images-appear-as-attachments-in-web-mail-services.md): Understand why Gmail and other webmail services show embedded signature images as attachments, and when to consider hotlinked images.
- [Supported Outlook versions for Signature 365 client signatures](https://support.symprex.com/raw/signature-365/client-side/troubleshooting/supported-outlook-versions-for-signature-365-client-signatures.md): Compare supported Outlook versions and features for the Signature 365 modern add-in and Classic Agent.
- [Using S/MIME with Outlook mobile](https://support.symprex.com/raw/signature-365/client-side/troubleshooting/using-s-mime-with-outlook-mobile.md): Configure Outlook Mobile S/MIME by importing trusted certificate authorities into Exchange Online and uploading a Serialized Certificate Store (SST) file.
- [Using the Aptos font in Signature 365](https://support.symprex.com/raw/signature-365/client-side/troubleshooting/using-the-aptos-font-in-signature-365.md): Use Aptos in Signature 365 by installing the font on sending and receiving devices, despite browser and OWA limitations.
- [Using the Outlook mobile add-in in Government Community Cloud (GCC) environments](https://support.symprex.com/raw/signature-365/client-side/troubleshooting/using-the-outlook-mobile-add-in-in-gcc-environments.md): Enable the Outlook mobile add-in in a Microsoft 365 Government Community Cloud (GCC) tenant with a PowerShell setting.
- [Apple Mail application replaces images with  when replying](https://support.symprex.com/raw/signature-365/frequently-asked-questions/apple-mail-application-replaces-images-with-when-replying.md): Why Apple Mail converts embedded signature images to attachments when replying or forwarding, and what that means for Signature 365 emails.
- [Changing signatures in plain text emails is not supported](https://support.symprex.com/raw/signature-365/frequently-asked-questions/changing-signatures-in-plain-text-emails-is-not-supported.md): Learn why Signature 365 cannot change plain-text email signatures and how to switch to HTML format instead.
- [Enforcing SSO or MFA authentication requirements for access to the Signature 365 web portal](https://support.symprex.com/raw/signature-365/frequently-asked-questions/enforce-sso-or-mfa-authentication-for-signature-365.md): How to configure your Signature 365 tenant to enforce authentication requirements.
- [How to capture an HTTP Archive (HAR) log from Microsoft Edge DevTools](https://support.symprex.com/raw/signature-365/frequently-asked-questions/how-to-capture-a-har-log-from-microsoft-edge-devtools.md): Capture an HTTP Archive (HAR) log in Microsoft Edge DevTools to help support diagnose backend issues.
- [Frequently asked questions](https://support.symprex.com/raw/signature-365/frequently-asked-questions.md): Common questions and answers about Signature 365
- [Outlook (Classic) agent release notes](https://support.symprex.com/raw/signature-365/frequently-asked-questions/outlook-classic-agent-release-notes.md): See release history, fixes, and updates for the Signature 365 Outlook Classic agent.
- [Outlook shows "Please wait to send" when sending from New Outlook or Outlook on the Web.](https://support.symprex.com/raw/signature-365/frequently-asked-questions/outlook-inline-images-are-still-loading.md): Understand why Outlook may prevent sending while embedded signature images are still loading.
- [Using a group policy object to disable signatures in Microsoft Outlook](https://support.symprex.com/raw/signature-365/frequently-asked-questions/using-a-group-policy-object-to-disable-signatures-in-microsoft-outlook.md): Use Group Policy to disable Outlook signatures and prevent users creating their own signatures alongside Signature 365.
- [Using Sent Items update does not work when sending on behalf of another user](https://support.symprex.com/raw/signature-365/frequently-asked-questions/using-sent-items-update-does-not-work-when-sending-on-behalf-of-another-user.md): Why Sent Items Update cannot update messages sent on behalf of another user, a known limitation.
- [Using Signature 365 in a hybrid configuration with on-premises Exchange mailboxes](https://support.symprex.com/raw/signature-365/frequently-asked-questions/using-signature-365-in-a-hybrid-configuration-with-on-premise-exchange-mailboxes.md): Use the Signature 365 Classic Agent for on-premises Exchange mailboxes in hybrid environments, with Autodiscover access for authentication.
- [Adding additional teammates to manage Signature 365](https://support.symprex.com/raw/signature-365/get-started/adding-additional-teammates-to-manage-signature-365.md): Invite teammates and assign owner, administrator, or editor access in the Signature 365 portal.
- [Applying signatures to users and groups](https://support.symprex.com/raw/signature-365/get-started/applying-signatures-to-users-and-groups.md): Create priority-based rules to apply Signature 365 templates to users, groups, or attribute-based selections.
- [Creating a new Signature 365 subscription](https://support.symprex.com/raw/signature-365/get-started/creating-a-new-signature-365-subscription.md): Convert your trial into a paid Signature 365 subscription with billing, user count, and address details.
- [Enabling single sign-on (SSO) for Signature 365 management accounts](https://support.symprex.com/raw/signature-365/get-started/enabling-single-sign-on-sso-for-signature-365-management-accounts.md): Enable single sign-on for Signature 365 management accounts from each user's profile settings.
- [How to setup Signature 365](https://support.symprex.com/raw/signature-365/get-started/how-to-setup-signature-365.md): Set up Signature 365 with Microsoft 365 integration, Outlook add-ins, agents, and sent items updates.
- [How to uninstall Signature 365 from your Microsoft 365 tenant](https://support.symprex.com/raw/signature-365/get-started/how-to-uninstall-signature-365-from-your-microsoft-365-tenant.md): Remove Signature 365 by disabling transport rules, connectors, and Outlook add-ins in the correct order.
- [How to use the Signature 365 migration wizard](https://support.symprex.com/raw/signature-365/get-started/how-to-use-the-signature-365-migration-wizard.md): Run the Signature 365 migration wizard on your Email Signature Manager server after Microsoft 365 integration.
- [Get started](https://support.symprex.com/raw/signature-365/get-started.md): Documentation for the initial integration and setup of Signature 365
- [Migrating to Signature 365 from Email Signature Manager](https://support.symprex.com/raw/signature-365/get-started/migrating-to-signature-365-from-email-signature-manager.md): Plan and complete a move from Email Signature Manager to Signature 365, including prerequisites, migration, and rollout steps.
- [Do my emails remain private when using Signature 365?](https://support.symprex.com/raw/signature-365/get-started/service-information/do-my-emails-remain-private-when-using-signature-365.md): Learn how Signature 365 injects signatures without storing or reading your email content.
- [Do you store my Microsoft 365 Global Administrator credentials?](https://support.symprex.com/raw/signature-365/get-started/service-information/do-you-store-my-microsoft-365-global-administrator-credentials.md): See how Signature 365 uses OAuth access tokens instead of storing Microsoft 365 global administrator credentials.
- [Does Signature 365 support DomainKeys Identified Mail (DKIM)?](https://support.symprex.com/raw/signature-365/get-started/service-information/does-signature-365-support-domainkeys-identified-mail-dkim.md): Understand how Microsoft 365 reapplies DKIM after Signature 365 processes signed email.
- [Does Signature 365 support Entra ID Dynamic Groups?](https://support.symprex.com/raw/signature-365/get-started/service-information/does-signature-365-support-entra-id-dynamic-groups.md): Use Entra ID dynamic groups in Signature 365 rules for attribute-based membership targeting.
- [Service information](https://support.symprex.com/raw/signature-365/get-started/service-information.md): Browse service information covering security, privacy, networking, permissions, and platform support for Signature 365.
- [Is Signature 365 GDPR and CCPA compliant?](https://support.symprex.com/raw/signature-365/get-started/service-information/is-signature-365-gdpr-and-ccpa-compliant.md): Review Signature 365 GDPR and CCPA compliance, including the DPA and privacy policy.
- [Removing Email Signature Manager following migration to Signature 365](https://support.symprex.com/raw/signature-365/get-started/service-information/removing-email-signature-manager-following-migration-to-signature-365.md): Remove legacy Email Signature Manager services, apps, agents, and servers after moving to Signature 365.
- [Signature 365 Entra ID enterprise applications](https://support.symprex.com/raw/signature-365/get-started/service-information/signature-365-entra-id-enterprise-applications.md): Identify which Signature 365 enterprise applications are created in Entra ID and what each one does.
- [Signature 365 Exchange mailbox support](https://support.symprex.com/raw/signature-365/get-started/service-information/signature-365-exchange-mailbox-support.md): Check Signature 365 add-in and agent support across Exchange Online, on-premises, and Outlook platforms.
- [Signature 365 Outlook add-in manifest versions](https://support.symprex.com/raw/signature-365/get-started/service-information/signature-365-outlook-add-in-manifest-versions.md): Review Outlook add-in manifest release notes, including version changes and authentication updates.
- [Signature 365 ports and URLs](https://support.symprex.com/raw/signature-365/get-started/service-information/signature-365-ports-and-urls.md): Allow the required Signature 365 URLs, regional hosts, and HTTPS connectivity for portal, add-in, and agent services.
- [What Entra ID data is synced with Signature 365?](https://support.symprex.com/raw/signature-365/get-started/service-information/what-entra-id-data-is-synced-with-signature-365.md): See which Entra ID fields Signature 365 syncs for users, groups, and mailbox data.
- [What is the difference between client-side and server-side signatures?](https://support.symprex.com/raw/signature-365/get-started/service-information/what-is-the-difference-between-client-side-and-server-side-signatures.md): Compare how client-side and server-side signatures are inserted, managed, and delivered in Signature 365.
- [Signature 365 product road map](https://support.symprex.com/raw/signature-365/get-started/signature-365-product-roadmap.md): View the Signature 365 product road map and track planned features on the product updates site.
- [Signature 365 reliability and security](https://support.symprex.com/raw/signature-365/get-started/signature-365-reliability-and-security.md): Explore Signature 365 security, certifications, availability, data protection, and Microsoft 365 integration safeguards.
- [Signature 365 required permissions](https://support.symprex.com/raw/signature-365/get-started/signature-365-required-permissions.md): Review the Microsoft 365 and platform permissions required before you set up Signature 365 or enable optional features.
- [Signature 365 SMTP host list and IP whitelist](https://support.symprex.com/raw/signature-365/get-started/signature-365-smtp-host-list-and-ip-whitelist.md): Find regional SMTP hosts and IP addresses to whitelist for Signature 365 server-side mail flow.
- [Signature 365 system requirements](https://support.symprex.com/raw/signature-365/get-started/signature-365-system-requirements.md): Check supported Microsoft 365 plans, directories, servers, and Outlook clients for Signature 365.
- [Signing up for a Signature 365 account](https://support.symprex.com/raw/signature-365/get-started/signing-up-for-a-signature-365-account.md): Create a Signature 365 trial account and choose the data region during registration.
- [User guides](https://support.symprex.com/raw/signature-365/get-started/user-guides.md): Browse user guides for Signature 365 add-ins across Outlook desktop, web, and mobile.
- [Using the Outlook add-in in Outlook Classic](https://support.symprex.com/raw/signature-365/get-started/user-guides/using-the-outlook-add-in-in-outlook-classic.md): Use the Signature 365 Outlook Classic add-in to insert, switch, and manage email signatures.
- [Using the Outlook add-in in Outlook on the web and new Outlook](https://support.symprex.com/raw/signature-365/get-started/user-guides/using-the-outlook-add-in-in-outlook-on-the-web-and-new-outlook.md): Use the Signature 365 add-in in Outlook on the web and new Outlook to manage signatures.
- [Using the Signature 365 Outlook mobile add-in](https://support.symprex.com/raw/signature-365/get-started/user-guides/using-the-signature-365-outlook-mobile-add-in.md): Learn how the Signature 365 Outlook mobile add-in inserts default signatures on iOS and Android.
- [Using two-factor authentication with a Signature 365 admin account](https://support.symprex.com/raw/signature-365/get-started/using-two-factor-authentication-with-a-signature-365-admin-account.md): Enable two-factor authentication individually for Signature 365 administrator and editor accounts.
- [What types of messages are supported](https://support.symprex.com/raw/signature-365/get-started/what-types-of-messages-are-supported.md): See which message types Signature 365 can sign and which exceptions are excluded.
- [Signature 365](https://support.symprex.com/raw/signature-365.md): Start here for Signature 365 setup, product guides, server-side signing, and FAQs.
- [Checking token missing issues](https://support.symprex.com/raw/signature-365/internal/checking-token-missing-issues.md): Debug missing Outlook identity tokens by tracing getUserIdentityTokenAsync in browser dev tools.
- [Configuring the Signature 365 Entra ID Connector](https://support.symprex.com/raw/signature-365/internal/configuring-the-signature-365-entra-id-connector.md): This article explains how to configure the Signature 365 Entra ID Connector to synchronise directory data from Microsoft...
- [Disabling Outlook signatures through Group Policy (GPO)](https://support.symprex.com/raw/signature-365/internal/disabling-outlook-signatures-through-gpo.md): Disable Outlook signatures through Group Policy and remove user-created signatures before deploying Signature 365.
- [External hotlinking of images in Signature 365](https://support.symprex.com/raw/signature-365/internal/external-hotlinking-of-images-in-signature-365.md): Internal guidance for customer requests to enable externally hosted hotlinked images in Signature 365.
- [External JS Sandbox does not run](https://support.symprex.com/raw/signature-365/internal/external-js-sandbox-does-not-run.md): Troubleshoot Outlook add-in failures when the external JavaScript sandbox does not start correctly.
- [Generating time travel logs with WinDbg](https://support.symprex.com/raw/signature-365/internal/generating-time-travel-logs-with-windbg.md): Generate WinDbg Time Travel Logs for difficult Outlook or add-in issues that need Microsoft investigation.
- [How to deploy the Outlook add-in for on-prem mailboxes](https://support.symprex.com/raw/signature-365/internal/how-to-deploy-the-outlook-add-in-for-on-prem-mailboxes.md): Deploy the Signature 365 Outlook add-in for on-premises mailboxes from Exchange Admin Center.
- [How to enable debug log in Exchange Transport Agent](https://support.symprex.com/raw/signature-365/internal/how-to-enable-debug-log-in-exchange-transport-agent.md): Enable detailed debug logging for the Signature 365 Exchange Transport Agent.
- [How to publish service updates to Squadcast](https://support.symprex.com/raw/signature-365/internal/how-to-publish-service-updates-to-squadcast.md): Internal procedure for publishing Signature 365 service updates in Squadcast.
- [Inbound connector is created in disabled state](https://support.symprex.com/raw/signature-365/internal/recycle-bin/inbound-connector-is-created-in-disabled-state.md): Resolve Microsoft 365 setups where the Signature 365 inbound connector is created in a disabled state.
- [Recycle Bin](https://support.symprex.com/raw/signature-365/internal/recycle-bin.md): Archived internal troubleshooting articles for retired or superseded Signature 365 guidance.
- [Request Microsoft support enable creation of inbound connectors](https://support.symprex.com/raw/signature-365/internal/recycle-bin/request-microsoft-support-enable-creation-of-inbound-connectors.md): Template and guidance for asking Microsoft support to re-enable inbound connector creation in affected tenants.
- [Setup prompts to run Enable-OrganizationCustomization configuring Microsoft 365 connectors](https://support.symprex.com/raw/signature-365/internal/recycle-bin/setup-prompts-to-run-enable-organizationcustomization-configuring-microsoft-365-connectors.md): Fix setup errors that require Enable-OrganizationCustomization before configuring Microsoft 365 connectors.
- [You cannot create or update inbound connectors in your organisation](https://support.symprex.com/raw/signature-365/internal/recycle-bin/you-cannot-create-or-update-inbound-connectors-in-your-organisation.md): Troubleshoot Microsoft 365 tenants that block creating or updating inbound connectors during Signature 365 setup.
- [Required permissions to deploy Signature 365 for Outlook app](https://support.symprex.com/raw/signature-365/internal/required-permissions-to-deploy-signature-365-for-outlook-app.md): Check required Microsoft 365 permissions when deploying the Signature 365 Outlook app fails.
- [Resolving Outlook DPI scaling issues](https://support.symprex.com/raw/signature-365/internal/resolving-outlook-dpi-scaling-issues.md): Work around Outlook DPI scaling issues that distort signature images or rendering.
- [Securing-the-Entra-ID-connector-ACI file](https://support.symprex.com/raw/signature-365/internal/securing-the-entra-id-connector-aci.md): The Azure Container Instance version of the Signature 365 Entra ID Connector can load its config.json file from a storage account where public network access is disabled.
- [Template HTML how to](https://support.symprex.com/raw/signature-365/internal/template-html-how-to.md): HTML snippets for styling signature hyperlinks, including font colour and removing underlines.
- [Adding a tenant to the partner portal](https://support.symprex.com/raw/signature-365/partners/partner-documentation/adding-a-tenant-to-the-partner-portal.md): Add new or existing customer tenants to the Signature 365 partner portal.
- [Checking Active Directory attributes are synced with Entra ID](https://support.symprex.com/raw/signature-365/partners/partner-documentation/checking-active-directory-attributes-are-synced-with-entra-id.md): Verify custom Active Directory attributes are syncing to Entra ID for Signature 365 data mapping.
- [Generating a debug log for the Signature 365 Classic Agent](https://support.symprex.com/raw/signature-365/partners/partner-documentation/generating-a-debug-log-for-the-signature-365-classic-agent.md): Generate a debug log for the Signature 365 Classic Agent when deeper support diagnostics are needed.
- [Partner documentation](https://support.symprex.com/raw/signature-365/partners/partner-documentation.md): Partner-only guidance for deploying, troubleshooting, and managing Signature 365 customer tenants.
- [Outlook Classic - Images are converted to attachments](https://support.symprex.com/raw/signature-365/partners/partner-documentation/outlook-classic-images-are-converted-to-attachments.md): Fix Outlook Classic replies or forwards where inline signature images become attachments.
- [Signature 365 Exchange Agent registration issues](https://support.symprex.com/raw/signature-365/partners/partner-documentation/signature-365-exchange-agent-registration-issues.md): Register, enable, disable, or remove the Signature 365 Exchange transport agent manually.
- [Signature 365 integration and configuration best practices](https://support.symprex.com/raw/signature-365/partners/partner-documentation/signature-365-integration-and-configuration-best-practices.md): Recommended partner best practices for integrating, configuring, and deploying Signature 365 successfully.
- [Create an exclusion group to exclude users from server-side injection](https://support.symprex.com/raw/signature-365/server-side/deployment-and-configuration/create-an-exclusion-group-to-exclude-users-from-server-side-injection.md): Create a Microsoft 365 group and mailflow rule exception to exclude selected users from server-side signatures.
- [Exclude autoreplies from signature insertion](https://support.symprex.com/raw/signature-365/server-side/deployment-and-configuration/exclude-autoreplies-from-signature-insertion.md): Stop server-side signatures being added to automatic replies and out-of-office messages.
- [Exclude signatures on Microsoft Planner comment emails](https://support.symprex.com/raw/signature-365/server-side/deployment-and-configuration/exclude-signatures-on-microsoft-planner-comment-emails.md): Prevent Signature 365 adding signatures to Microsoft Planner comment notification emails.
- [How Microsoft 365 server-side signatures work](https://support.symprex.com/raw/signature-365/server-side/deployment-and-configuration/how-microsoft-365-server-side-signatures-work.md): Understand how Signature 365 routes Microsoft 365 email for server-side signatures, previews, and sent items updates.
- [How to update the group assigned for server-side injection](https://support.symprex.com/raw/signature-365/server-side/deployment-and-configuration/how-to-update-the-group-assigned-for-server-side-injection.md): Change which Microsoft 365 group receives Signature 365 server-side injection.
- [How to use Signature 365 together with third-party security solutions](https://support.symprex.com/raw/signature-365/server-side/deployment-and-configuration/how-to-use-signature-365-together-with-third-party-security-solutions.md): Configure mail flow so Signature 365 works with third-party email security services like Mimecast.
- [Deployment and configuration](https://support.symprex.com/raw/signature-365/server-side/deployment-and-configuration.md): Setup and configuration guides for Signature 365 server-side signatures in Microsoft 365.
- [Inserting a signature in a specific location with Server-side injection](https://support.symprex.com/raw/signature-365/server-side/deployment-and-configuration/inserting-signature-at-specific-location.md): Insert a server-side signature at a specific marker or location within an email body.
- [Recreating the Signature 365 Exchange connectors](https://support.symprex.com/raw/signature-365/server-side/deployment-and-configuration/recreating-the-signature-365-exchange-connectors.md): Recreate Signature 365 Exchange Online connectors when connector issues or configuration changes require it.
- [Using Server-side injection to specify the location of an inserted signature](https://support.symprex.com/raw/signature-365/server-side/deployment-and-configuration/specifying-server-side-injection-location.md): Use server-side markers to place inserted signatures correctly in email from external systems such as Salesforce.
- [Tasks, contacts and voting buttons are removed from internal emails sent using Signature 365 server-side signatures](https://support.symprex.com/raw/signature-365/server-side/deployment-and-configuration/tasks-contacts-voting-buttons-removed-internal-emails.md): Why internal emails lose tasks, contacts, or voting buttons with server-side signatures.
- [How to trial Signature 365 when already using another signature service](https://support.symprex.com/raw/signature-365/server-side/deployment-and-configuration/trialing-alongside-another-signature-service.md): Trial Signature 365 alongside another signature service without disrupting live mail flow.
- [Using Outlook message recall with Signature 365](https://support.symprex.com/raw/signature-365/server-side/deployment-and-configuration/using-outlook-message-recall-with-signature-365.md): How Signature 365 supports Outlook message recall when server-side signatures are enabled.
- [Using Signature 365 with read only access to Microsoft 365](https://support.symprex.com/raw/signature-365/server-side/deployment-and-configuration/using-signature-365-with-read-only-access-to-microsoft-365.md): Set up Signature 365 in read-only mode when you cannot create external connectors in Microsoft 365.
- [Server-side signatures](https://support.symprex.com/raw/signature-365/server-side.md): Documentation for server-side signature injection
- [A signature is not applied to emails with large attachments](https://support.symprex.com/raw/signature-365/server-side/troubleshooting/a-signature-is-not-applied-to-emails-with-large-attachments.md): Why server-side signatures are skipped on emails with large attachments and the size limits involved.
- [Unable to contact the Signature 365 service when using the Add-in with an on-premises mailbox](https://support.symprex.com/raw/signature-365/server-side/troubleshooting/add-in-on-premise-mailbox-connection-issue.md): Fix add-in connection errors when using Signature 365 with on-premises mailboxes.
- [Enabling server-side injection in Signature 365](https://support.symprex.com/raw/signature-365/server-side/troubleshooting/enabling-server-side-injection-in-signature-365.md): Enable server-side signatures after an initial client-side-only Signature 365 setup.
- [Exclude Recipient Domains From Signature Injection](https://support.symprex.com/raw/signature-365/server-side/troubleshooting/exclude-recipient-domains-from-signature-injection.md): Exclude messages sent to one or more recipient domains from server-side injection by creating a mail flow rule in Exchange Online.
- [Troubleshooting](https://support.symprex.com/raw/signature-365/server-side/troubleshooting.md): Troubleshooting articles for Signature 365 server-side signature delivery, routing, and setup issues.
- [Non-delivery report 550 5.1.8 Access denied, bad outbound sender](https://support.symprex.com/raw/signature-365/server-side/troubleshooting/non-delivery-report-550-5-1-8-access-denied-bad-outbound-sender.md): Fix 550 5.1.8 bad outbound sender errors when Signature 365 mail flow is misconfigured.
- [Non-delivery report 550 5.4.1 Recipient address rejected: Access denied](https://support.symprex.com/raw/signature-365/server-side/troubleshooting/non-delivery-report-550-5-4-1-recipient-address-rejected-access-denied.md): Resolve 550 5.4.1 recipient address rejected errors, especially for public folders routed through Signature 365.
- [Non-delivery report 550 5.7.1 Unable to relay this email](https://support.symprex.com/raw/signature-365/server-side/troubleshooting/non-delivery-report-550-5-7-1-unable-to-relay-this-email.md): Fix 550 5.7.1 unable to relay errors caused by Signature 365 connector or certificate configuration.
- [Non-delivery report 552 5.3.4 Header size exceeds fixed maximum size](https://support.symprex.com/raw/signature-365/server-side/troubleshooting/non-delivery-report-552-5-3-4-header-size-exceeds-fixed-maximum-size.md): Troubleshoot 552 5.3.4 header size errors when oversized headers block Signature 365 mail processing.
- [Non-delivery report errors and solutions](https://support.symprex.com/raw/signature-365/server-side/troubleshooting/non-delivery-report-errors-and-solutions.md): Overview of Signature 365 server-side non-delivery report errors, linked fixes, and configuration-related causes.
- [Removing the Signature 365 Mailflow rule and Exchange Connectors](https://support.symprex.com/raw/signature-365/server-side/troubleshooting/removing-the-signature-365-mailflow-rule-and-exchange-connectors.md): Remove Signature 365 mailflow rules and Exchange Online connectors in the correct order.
- [Server-side injection - Digital Guardian Agent X-dg headers cause 552 5.3.4 error](https://support.symprex.com/raw/signature-365/server-side/troubleshooting/server-side-injection-digital-guardian-agent-x-dg-headers-cause-552-5-3-4-error.md): Fix Digital Guardian x-dg headers causing 552 5.3.4 errors.
- [Signature 365 transport agent debug log file](https://support.symprex.com/raw/signature-365/server-side/troubleshooting/signature-365-transport-agent-debug-log-file.md): Generate a detailed debug log for the Signature 365 Transport Agent.
- [Designing templates](https://support.symprex.com/raw/signature-365/web-portal/designing-templates.md): Browse Signature 365 Web Portal guides for designing signatures, campaigns, and disclaimers.
- [Using campaigns and disclaimers](https://support.symprex.com/raw/signature-365/web-portal/designing-templates/using-campaigns-and-disclaimers.md): Learn how to design campaigns and disclaimers, target them by users or recipients, and schedule when they apply.
- [Fields](https://support.symprex.com/raw/signature-365/web-portal/fields.md): Browse Signature 365 Web Portal guides for imported, editable, and custom signature fields.
- [Using custom fields in Signature 365](https://support.symprex.com/raw/signature-365/web-portal/fields/using-custom-fields-in-signature-365.md): Create custom fields in Signature 365 for data not synced from Microsoft 365, including pronouns, notices, and personalised links.
- [Using fields in Signature 365](https://support.symprex.com/raw/signature-365/web-portal/fields/using-fields-in-signature-365.md): Understand imported and editable Signature 365 fields, data sources, and where users can update values in the portal or add-in.
- [Folder Permissions](https://support.symprex.com/raw/signature-365/web-portal/folder-permissions.md)
- [Using folder permissions in Signature 365](https://support.symprex.com/raw/signature-365/web-portal/folder-permissions/using-folder-permissions.md): Use folder permissions to limit which teammates can view or edit specific Signature 365 folders, and combine them with custom roles.
- [Signature 365 Web Portal](https://support.symprex.com/raw/signature-365/web-portal.md): Documentation for the features of the Signature 365 Web Portal
- [Configuring your Signature 365 Tenant to use hotlinked images](https://support.symprex.com/raw/signature-365/web-portal/integration/configuring-your-signature-365-tenant-to-use-hotlinked-images.md): Request tenant-wide hotlinked images in Signature 365 and understand attachment and red-X trade-offs in supported mail clients.
- [Enabling vCards on your Signature 365 tenant](https://support.symprex.com/raw/signature-365/web-portal/integration/enabling-vcards-on-your-signature-365-tenant.md): Enable tenant-wide vCards in Signature 365 and use generated contact links in hyperlinks or QR codes.
- [Integration](https://support.symprex.com/raw/signature-365/web-portal/integration.md): Browse Signature 365 Web Portal guides for Microsoft 365 integration, tenant setup, images, and vCards.
- [How to enable Sent Items update](https://support.symprex.com/raw/signature-365/web-portal/integration/microsoft-365/how-to-enable-sent-items-update.md): Signature 365 can update emails in Sent Items with the signature that was added server-side after email was sent.
- [Microsoft 365](https://support.symprex.com/raw/signature-365/web-portal/integration/microsoft-365.md): Guides for configuring and managing Signature 365 integration with Microsoft 365, including tenant migration, security groups, and custom attributes.
- [Inspecting users and groups configured to use server-side injection](https://support.symprex.com/raw/signature-365/web-portal/integration/microsoft-365/inspecting-users-and-groups-configured-to-use-server-side-injection.md): This article will help you to understand the current users or groups you currently have configured to use server-side si...
- [Moving Signature 365 to a new Microsoft 365 tenant](https://support.symprex.com/raw/signature-365/web-portal/integration/microsoft-365/moving-signature-365-to-a-new-microsoft-365-tenant.md): Moving Signature 365 to a new Microsoft 365 Tenant
- [Restrict access to Signature 365 server-side signatures using a Microsoft 365 Security group](https://support.symprex.com/raw/signature-365/web-portal/integration/microsoft-365/restrict-server-side-access-with-security-group.md): Restrict which users receive server-side signatures with a Microsoft 365 security group.
- [Setting a Custom Attribute in Exchange Online for use in Signature 365](https://support.symprex.com/raw/signature-365/web-portal/integration/microsoft-365/setting-a-custom-attribute-in-exchange-online-for-use-in-signature-365.md): Use a custom Exchange Online attribute to let your IT team centrally manage a field in Signature 365.
- [Active Directory Connector release notes](https://support.symprex.com/raw/signature-365/web-portal/integration/on-premise/active-directory-connector-release-notes.md): Signature 365 Active Directory Connector 1.3.1 build 17 released August 2...
- [Database Connector release notes](https://support.symprex.com/raw/signature-365/web-portal/integration/on-premise/database-connector-release-notes.md): Signature 365 Database Connector 1.4.1 build 18 released August 2...
- [Exchange Agent release notes](https://support.symprex.com/raw/signature-365/web-portal/integration/on-premise/exchange-agent-release-notes.md): Signature 365 Exchange Agent 1.3.0 build 35 released October 28...
- [How to install the Database Connector](https://support.symprex.com/raw/signature-365/web-portal/integration/on-premise/how-to-install-the-database-connector.md): The Signature 365 Database Connector supports importing user data from any Access, SQL Server, or Oracle database.
- [How to install the Exchange Agent](https://support.symprex.com/raw/signature-365/web-portal/integration/on-premise/how-to-install-the-exchange-agent.md): Problem You wish to use Signature 365 to deploy signatures to the on-premises Exchange component of your hybrid Exchange...
- [On-premises](https://support.symprex.com/raw/signature-365/web-portal/integration/on-premise.md): Installation and configuration guides for Signature 365 on-premises connectors, including the Exchange Agent, Database Connector, and Active Directory Connector.
- [Installing the Signature 365 AD Connector](https://support.symprex.com/raw/signature-365/web-portal/integration/on-premise/installing-the-signature-365-ad-connector.md): Scenario You wish to synchronise your Active directory data with Signature 365...
- [Using the Signature 365 Database Connector](https://support.symprex.com/raw/signature-365/web-portal/integration/on-premise/using-the-signature-365-database-connector.md): This article details how to install and use the Signature 365 database connector to import from an on-prem SQL or access...
- [How to register an additional Signature 365 tenant](https://support.symprex.com/raw/signature-365/web-portal/integration/registering-an-additional-signature-365-tenant.md): Register a second Signature 365 tenant from your existing account to manage multiple organisations.
- [Updating users & groups imported to Signature 365 from Microsoft 365](https://support.symprex.com/raw/signature-365/web-portal/integration/updating-users-groups-imported-to-signature-365-from-microsoft-365.md): Update which Microsoft 365 users and groups Signature 365 imports, including adding, removing, or importing everyone.
- [Using hotlinked vs embedded images in Outlook](https://support.symprex.com/raw/signature-365/web-portal/integration/using-hotlinked-vs-embedded-images-in-outlook.md): Compare hotlinked and embedded images in Outlook, including benefits, drawbacks, and common rendering issues.
- [Managing images](https://support.symprex.com/raw/signature-365/web-portal/managing-images.md): Browse Signature 365 Web Portal guides for supported signature image formats and image handling.
- [What types of images are supported](https://support.symprex.com/raw/signature-365/web-portal/managing-images/what-types-of-images-are-supported.md): Check which image formats Signature 365 supports and the recommended resolution and colour settings for best email rendering.
- [Assigning a signature to an email alias](https://support.symprex.com/raw/signature-365/web-portal/signature-rules/assigning-a-signature-to-an-email-alias.md): Use rules to assign different signatures to email aliases and control rule order for correct template selection.
- [Signature rules](https://support.symprex.com/raw/signature-365/web-portal/signature-rules.md): Browse Signature 365 Web Portal guides for assigning templates by alias, sender, and shared mailbox.
- [Signatures for additional and shared mailboxes](https://support.symprex.com/raw/signature-365/web-portal/signature-rules/signatures-for-additional-and-shared-mailboxes.md): Configure rules so additional or shared mailboxes use the right template and sender data in Outlook.
- [Getting started with the template editor](https://support.symprex.com/raw/signature-365/web-portal/signature-templates/getting-started-with-the-template-editor.md): Get started with the template editor, merge fields, previews, and conditional statements for HTML and plain-text templates.
- [Signature templates](https://support.symprex.com/raw/signature-365/web-portal/signature-templates.md): Browse Signature 365 Web Portal guides for editing, organising, and publishing signature templates.
- [Inserting an email address or telephone as a weblink](https://support.symprex.com/raw/signature-365/web-portal/signature-templates/inserting-an-email-address-or-telephone-as-a-weblink.md): Add mailto and telephone links to templates using HTML anchor tags in the Signature 365 source editor.
- [Template editor menu options](https://support.symprex.com/raw/signature-365/web-portal/signature-templates/template-editor-menu-options.md): Review the visual editor menus and ribbon options for editing, inserting, formatting, and working with tables.
- [Template revisions and draft mode](https://support.symprex.com/raw/signature-365/web-portal/signature-templates/template-revisions-and-draft-mode.md): Use template revisions and draft mode to edit signatures, campaigns, and disclaimers without immediately changing live templates.
- [Using custom fonts in Signature 365](https://support.symprex.com/raw/signature-365/web-portal/signature-templates/using-custom-fonts-in-signature-365.md): Add Google or Adobe custom fonts in the source editor and understand client support limitations.
- [Using folders](https://support.symprex.com/raw/signature-365/web-portal/signature-templates/using-folders.md): Organise signature, campaign, and disclaimer templates with folders, ordering, moving, and search tools.
- [How to update the Sender Policy Framework (SPF) record](https://support.symprex.com/raw/signature-365/web-portal/troubleshooting/how-to-update-the-sender-policy-framework-spf-record.md): Update your SPF record for server-side signatures so messages processed by Signature 365 are less likely to be marked as spam.
- [Import Active Directory attributes into Signature 365](https://support.symprex.com/raw/signature-365/web-portal/troubleshooting/import-active-directory-attributes-into-signature-365.md): Sync additional on-premises Active Directory attributes to Entra ID so Signature 365 can use them in fields and templates.
- [Troubleshooting](https://support.symprex.com/raw/signature-365/web-portal/troubleshooting.md): Browse Signature 365 Web Portal troubleshooting guides for setup, access, Outlook add-in, and Microsoft 365 issues.
- [Managing multiple tenants from the Signature 365 portal](https://support.symprex.com/raw/signature-365/web-portal/troubleshooting/managing-multiple-tenants-from-the-signature-365-portal.md): Manage multiple Signature 365 tenants from one account by registering another tenant or accepting invitations.
- [Multi-factor recovery process](https://support.symprex.com/raw/signature-365/web-portal/troubleshooting/multi-factor-recovery-process.md): Learn the security verification process Symprex uses before removing MFA from a Signature 365 account.
- [Outlook add-in reports "The request has failed...."](https://support.symprex.com/raw/signature-365/web-portal/troubleshooting/outlook-add-in-reports-the-request-has-failed.md): Fix the Signature 365 Outlook add-in when signatures fail to load because Exchange web services is disabled.
- [Role-based access control in Signature 365](https://support.symprex.com/raw/signature-365/web-portal/troubleshooting/role-based-access-control-in-signature-365.md): Create custom roles in Signature 365 with specific portal permissions beyond the default Administrator and Editor roles.
- [Signature 365 domain shows as "Incomplete setup" within Microsoft 365 Admin center](https://support.symprex.com/raw/signature-365/web-portal/troubleshooting/signature-365-domain-shows-as-incomplete-setup-within-microsoft-365-admin-center.md): Understand why the Signature 365 SMTP domain shows incomplete setup, and when it is safe to ignore.

## Landing

- [Symprex Knowledge Base](https://support.symprex.com/raw/index.md): Browse Symprex help articles for Signature 365, Email Signature Manager, Folder Permissions Manager, Out-of-Office Manager, and Out of Office Extender.

## CategoryIndex

- [Exchange Transport Agent](https://support.symprex.com/raw/email-signature-manager/exchange-transport-agent.md): Documentation for the Email Signature Manager Exchange Transport Agent
- [Frequently Asked Questions](https://support.symprex.com/raw/email-signature-manager/frequently-asked-questions.md): Common questions and answers about Email Signature Manager
- [General](https://support.symprex.com/raw/email-signature-manager/general.md): General information and overview for Email Signature Manager
- [Problems & Solutions](https://support.symprex.com/raw/email-signature-manager/problems-solutions.md): Troubleshooting guides and known issues for Email Signature Manager
- [Release Notes (Agent)](https://support.symprex.com/raw/email-signature-manager/release-notes-agent.md): Release history for the Email Signature Manager Exchange Transport Agent
- [Release Notes](https://support.symprex.com/raw/email-signature-manager/release-notes.md): Release history for Email Signature Manager
- [Review](https://support.symprex.com/raw/email-signature-manager/review.md): Documentation for the Email Signature Manager review and approval workflow
- [Setup](https://support.symprex.com/raw/email-signature-manager/setup.md): Installation and configuration guides for Email Signature Manager
- [General](https://support.symprex.com/raw/folder-permissions-manager/general.md): General information and overview for Folder Permissions Manager
- [Problems & Solutions](https://support.symprex.com/raw/folder-permissions-manager/problems-solutions.md): Troubleshooting guides and known issues for Folder Permissions Manager
- [Release Notes](https://support.symprex.com/raw/folder-permissions-manager/release-notes.md): Release history for Folder Permissions Manager
- [General](https://support.symprex.com/raw/out-of-office-extender/general.md): General information and guides for Out of Office Extender
- [Release Notes](https://support.symprex.com/raw/out-of-office-extender/release-notes.md): Release history for Out of Office Extender
- [General](https://support.symprex.com/raw/out-of-office-manager/general.md): General information and guides for Out-of-Office Manager
- [Release Notes](https://support.symprex.com/raw/out-of-office-manager/release-notes.md): Release history for Out-of-Office Manager
- [Client-side signatures](https://support.symprex.com/raw/signature-365/client-side.md): Documentation for all versions of the Outlook add-in and agent
- [Frequently asked questions](https://support.symprex.com/raw/signature-365/frequently-asked-questions.md): Common questions and answers about Signature 365
- [Get started](https://support.symprex.com/raw/signature-365/get-started.md): Documentation for the initial integration and setup of Signature 365
- [Server-side signatures](https://support.symprex.com/raw/signature-365/server-side.md): Documentation for server-side signature injection
- [Signature 365 Web Portal](https://support.symprex.com/raw/signature-365/web-portal.md): Documentation for the features of the Signature 365 Web Portal