Mail Security Changelog

Mailsecurity Changelog

Update 2026.07.09 Stable

Release Date: 09.07.2026

Features

Newly created connectors in the O365 assistant are now combined with the domain filter (*) and the IP address range of Mail Security
SMTP logs have been expanded with messages for spam and virus findings

Maintenance

S/MIME certificates are now uploaded in the same format in which they can be downloaded

Update 2026.06.02 Stable

Release Date: 02.06.2026

Features

During O365 synchronization, connectors (inbound/outbound) can now be created automatically
The automatic logout from the portal due to inactivity is announced and can be prevented

Update 2026.04.21 Stable

Release Date: 21.04.2026

Email

Emails can now also be found via the MailID in the advanced search
The mail SMTP logs now show the RAW entry by default again
Spam rules are now contextually pre-filled when created in the email view

Inbound/Outbound

The field validation of the attachment filter has been extended to include sender verification

S/MIME

The default rule is now always displayed under encryption

Update 2026.03.31 Stable

Release Date: 31.03.2026

Inbound / Outbound

The virus filter settings for incoming and outgoing routes have been made more consistent
IP spam rules now support IP networks up to /24

Email

The display of email log visualization has been made clearer

Bugfixes

Outbound mailboxes can now be added to inbound routes

Update 2026.03 Stable

Release Date: 10.03.2026

Features

Adding and importing individual mailboxes as well as their assignment to a route is now possible directly via the "Mailboxes" menu item.
Multiple mailboxes can be added simultaneously. Already created mailboxes can be edited via the settings.

Update 2026.02 Stable

Release Date: 12.02.2026

Features

Office 365 Synchronization is now available for all licenses
SMTP logs are now available for all licenses
Group certificates: Multiple aliases/SANs in S/MIME certificates are used for encryption

Update 2026.01 Stable

Release Date: 27.01.2026

Features

S/MIME table: button to refresh the display
S/MIME: Icon for imported domain certificates added
Mouseover for multiple email recipients in the email table
Beta In the Office365 assistant, new mailboxes can be assigned to existing routes (only available for NFR Reseller licenses)

Bugfixes

Welcome email is now sent correctly

Update 2025.12 Stable

Release Date: 22.12.2025

General

The red plus button at the bottom right for adding entries has been replaced by buttons in the menus that have text (e.g., Create Route)
Next to each of these buttons, there is a button to refresh the view

Domains

Next to the added domains, the MX/SPF/DKIM/etc. per domain are displayed (as in the overview)

Inbound / Outbound

The menu for creating new routes has been simplified
'Delete Routes' now has the route number as a CAPTCHA instead of requiring the route to be deactivated
Sets can now be searched
Sets now have a button to copy Set Name and Route ID to clipboard
"'Auto Open exec-Macros' treated as virus" can be disabled in incoming and outgoing routes

Inbound

Button for configuring the mailboxes made more prominent
Mailboxes no longer need to be split into a local and domain part
Multiple mailboxes can now be imported via file

Email

Reload of the view
Beta SMTP logs have log lines as default view
(only available for NFR Reseller licenses)

S/MIME

Own certificates can now be added at any time as long as S/MIME is licensed
Mail Security certificates of own mailboxes can be downloaded for distribution
Uploaded third-party certificates can now be declared as Domain certificates

Beta

Update 2025.10 Beta version Beta

Release Date: 22.10.2025
Only available for NFR licenses

Beta versions are exclusively available for NFR licenses (Not for Resale).
The main goal of these versions is to receive valuable feedback from our partners. This feedback is incorporated into the final version of our software before it is made available to all licenses.
We thank all partners for their support and contributions to optimizing our software.

Features

Office 365 Synchronization
SMTP Logs

Update 13.05.2025 Stable

Release Date: 13.05.2025

Features

SPAM rule Ham and Spam can now be created via emails
Extended spam report with landing page
Warning added if S/MIME is configured without an active outgoing route
Warning added if the last route of a set is moved or deleted
A spam report can now be manually triggered for each mailbox
Emails blocked by SPF are now detailed and visible in the mail.security report

Maintenance

Missing translation for outgoing routes added

Bugfixes

Fixed faulty import of public keys

Update 10.04.2025 Stable

Release Date: 10.04.2025

Features

Upload of public keys for S/MIME

Maintenance

[Mailsecurity/Mailsecurity#Mailboxes Default value for spam reports]
[Mailsecurity/Mailsecurity#Enforce_TLS TLS enforcement] per domain possible

Update 17.03.2025 Stable

Release Date: 17.03.2025

Features

The disclaimer now allows up to 1000 characters
Changed route properties are now logged
Greylisted emails are now listed in the reports

Maintenance

The logout timer is now updated every 60 minutes, not just the last 10 minutes
Requesting S/MIME certificates without the correct MX is now prohibited
Bulk selection for spam notice settings
Timestamps for rejected connections are now displayed in the same timezone as all other timestamps

Bugfixes

Creating routes with IP has been corrected

Update 06.03.2025 Stable

Release Date: 06.03.2025

Maintenance

Linking Mail Security to a domain is now done via a TXT record
When creating reports, the username is now automatically transferred to the document