November 2026

The following changes will be rolled out successively and will be available soon.

New features

51340 The Outlook add-in now supports shared mailboxes.

Fixed bugs

42567 Encryption Only: Issues in the SMTP outbound connector after resetting the ‘EnforceTcpProxyForNonProtectionTenants’ flag.

51361 The text MIME part is classified as ‘application/octet-stream’.

51559 DSNs generated by NoSpamProxy cannot be DKIM-validated (BodyHashMismatch).

51798 VSDX files may be incorrectly classified as ‘application/zip’.

52868 ReportEmailMisclassification is triggered if ManualRecall (optional) is not set.

52901 Obfuscating file names results in the content filter being bypassed.

53073 The Trust Anchor for DNSSEC is out of date.