What's New?

This page details an overview of release updates. More detailed information can be found at the Signature 365 Changelog

April 2025

New Features	Improvements / Fixes
Added detection and replacement of additional services in server-side injection.	Improved SMTP inbound resource usage Editors can now load Domains Folder switching error resolved

March 2025

New Features	Improvements / Fixes
Folders feature introduced for signatures, campaigns and disclaimers Thunderbird mail client is now supported by server-side injection	Improved logging of authentication failures through NAA Improved handling of emails exceeding max header size. Additional options added to font size selection for server-side injection Twitter social icon updated to X

January 2025

New Features	Improvements / Fixes
January SMTP Text replacement rules NAA authentication support introduced Missive email client is now supported by server-side injection Outlook minimum version increased to 2409	Improvements to inbound SMTP reporting Dark mode supported in Mac Add-in Timeouts added to all Outlook HTTP calls SMTP improvements to email text separator detection Rule searching is no longer case sensitive

December 2024

New Features	Improvements / Fixes
vCards feature is now in full release	Additional improvements to SIU item identification Campaigns will no longer show as expired when no expiry is set Unable to select default signature if rule set to none from Add-in Campaings list view now shows figures Plain text preview is now correct SSO improvements for incorrect casing Improvements to campaign view Search response improved

November 2024

New Features	Improvements / Fixes
Multiple Users / Groups can now be selected when creating or editing a rule Autorenewal can now be cancelled by a customer	Resolved an issue with portal invite timeouts Campaign and disclaimer ordering updated Improvements to SIU item identification Partners can now cancel autorenewal for customers Rule assignment dialog now remembers selections

October 2024

New Features	Improvements / Fixes
Introduced Remove All button for user edited attributes "Aptos Display" font added as an available font Active User icon and last connected time now displayed in portal User selected signatures are now identified and can be reverted by an admin	Text descriptors are now displayed correctly Groups tab counter is now correct Active user export now includes Add-in usage information Improvements to signature generation performance, specifically on Outlook add-in clients Outlook add-in no longer fails when used in IE Outlook add-in no longer fails to refresh signatures User list page allows pagination

September 2024

New Features	Improvements / Fixes
MS Aptos font added as an available font September SMTP Text replacement rules	Outlook manual manifest validation resolved Portal SSO is supported if the user has no mailbox

August 2024

New Features	Improvements / Fixes
Additional Email text message separators are now supported	Improvements to automated MS365 configuration process SPF checks through the Signature 365 portal are improved

July 2024

New Features	Improvements / Fixes
No new features have been introduced	Improvements to Automated MS365 setup logging Import source of fields is now displayed Manage default signatures option is now separated Improved Sent Items Update retry logic Improved support portal SSO

June 2024

New Features	Improvements / Fixes
June SMTP Replacement rules Soft deletion of tenants implemented Automatic removal of expired trial tenants	Logging improvements to signature injection Improvements to signature generation performance Custom field display name and value lengths expanded

May 2024

New Features	Improvements / Fixes
Introduced the Signature 365 announcements widget	Improvements to analyticsloading performance Campaign list stats are now correct Improved signature generation logs through the Outlook Add-in

April 2024

New Features	Improvements / Fixes
No new features have been introduced	Fix to allow template copying Users cannot preview signature in task pane

February 2024

New Features	Improvements / Fixes
Versioning for signatures, templates and drafts Outlook Mobile Add-in launched Custom Roles for Teammates	Search improvements Parse error on rules fixed Trial invitations are now valid for 14 days Image dimensions displayed EmployeeType Entra ID field imported

December 2023

New Features	Improvements / Fixes
Added Message.* attribute to fields for rules, allowing rule matching on sending mail system, from / sender address for server-side signatures December SMTP text replacement rules	Import performance improvements Improved handling of import failures

November 2023

New Features	Improvements / Fixes
Auto-insert of signatures for appointments in Outlook Classic November text replacement rules	Issue editing user fields resolved Signature scaling display issues resolved Improved handling of import failures

New Features	Improvements / Fixes
Rule matching by Mailbox Type attribute Editors have access to view Users / Groups Implemented support for manual signature insertion in Outlook calendaring / appointments Implemented Beta option for auto insertion of signatures in Outlook calendaring / appointments Manage default signature option for the Outlook Add-In added	Fixes to Sent Items Update function

September 2023

New Features	Improvements / Fixes
QR code generation in templates Allow attribute check on user photos in rules	Improvements to the reliability of background cloud services Remote logging features improved

August 2023

New Features	Improvements / Fixes
Attribute matching for signature rules vCard preview and advanced mode Show add-in source of installation in diagnostics Increase field length for name and description for signatures, disclaimers and campaigns	Local-only domain causes loading to fail Resolve import issue from Entra for recreated users Enabled clickable weblinks in template preview

July 2023

New Features

Improvements / Fixes

Remember page and query sizes in query strings Implement debug logging for debug@symprex.com Allow no-inline on style tags Enable active user CSV download Automatic update of signature when changing the From address in Outlook Identifiers for import sources added to user profile tab Show message for domains with no email integration Remote logging option introduced for add-in Add Shared folder support for Outlook for Mac add-in Add Outlook add-in diagnostics pane Allow hotlinking of Signature 365 images

Show navbar tool-tips when collapsed Fix stale signatures when changing from address in Outlook Portals redirect correctly after login Mailto: links should not be modified for click tracking Cannot insert HTML signature after converting from plain text Image conflict does not detail file name Improved preview of signatures, campaigns and disclaimers Verify image format on upload Signature preview now displays multiple signatures