Added:

• A "Read Only" status when syncing resources (EWS), displaying availability when adding them to appointments.
• Previews for various file types across multiple areas.
• Attendees can hide or close the right-side panel during online meetings.
• Improved connection speeds, screen sharing, camera, and audio in online meetings.
• Support for up to 16 audio/video participants in meetings using custom STUN/TURN servers.
• Ensured automatic SSL certificates renew correctly when multiple domains share the same hostname.
• A domain name column was added to the automatic certificates overview.
• Introduced field limits for specific fields (e.g., Max Message Size) to prevent errors.

Changed:

• Display names with parentheses in address fields are now wrapped in quotes to ensure deliverability.
• When only one calendar is available, the message "No additional calendars are available" is now shown in scheduling settings.
• Styling and text adjustments were made for a better user experience in scheduling.
• Server-side string translations now use memory more efficiently.
• Information from JSON files was moved to SBIN files to improve system performance.

Fixed:

• Issues with malformed MIME headers in messages that caused delivery delays have been resolved.
• Incorrect "From" addresses in Outlook (MAPI) due to malformed headers have been corrected.
• Messages sent to mailing lists no longer encounter DKIM and ARC signature issues on recipient servers.
• Resolved issues where INGOS Mail calendars did not appear in Zoom's web interface when shared.
• Fixed CSV import problems and missing subfolder indentation in archives.
• Time zone issues in scheduling on Linux systems have been corrected.
• Resource availability is now accurately displayed as reserved/unavailable instead of tentative.
• Uploading folders with subfolders to file storage no longer causes errors.
• Issues with alias management, where adding or removing email addresses caused errors, have been fixed.
• DKIM signatures are no longer removed when messages are forwarded.
• Throttling limits for mailing lists are now applied correctly.
• The delete button for Primary Admins no longer activates improperly when viewing settings.

• Alias addresses may be missing from the "FROM" field when composing a message.
• Aliases can appear duplicated when selecting a "FROM" address in a reply sent to that alias.
• Autoresponders configured via webmail can be altered if the account uses EAS.
• The "From" field can display twice when using an alias with specific settings.
• Multiple edits to an alias can disrupt related features, such as a signature.
• Malformed headers from external senders can indefinitely delay email delivery.
• Meeting invites with inline images from eM Client (EWS) may display broken images for attendees.
• Public Scheduling page may not consider a person’s availability when displaying times.
• Recipient list in a GAL-enabled alias may break if an invalid or different domain address is entered.
• Scheduling might allow users to set appointments outside of available hours in certain cases.
• Cyren startup/licensing errors are reported on some Windows/Linux environments.
• Virus Quarantine list in the spool occasionally appears blank.
• Subfolders may not display properly when configuring Content Filter Actions.
• Linux installer consistently prompts for the web server type.
• X-Ham-Report header can cause an error when processing messages through the drop folder or spool.

• The Autodiscover Encryption setting for SMTP IN (Settings > Protocols) is now a toggle instead of a dropdown.
• Reduced attachment size limit from 500 MB to 100 MB for compatibility with third-party servers and services.
• Scheduling now includes a default "Appointment Type" when enabled.

• Red toast notifications may appear if File Storage Limits are set too high.
• Administrator logs show a null reference exception linked to NTLM.
• A calendar sync (CalDAV) issue affecting specific scenarios.
• Chronic Cyren startup errors on bare-metal Linux installations.
• Changes to an alias name are not reflected consistently.
• Domains are not alphabetically listed in the "Impersonate User" modal.
• Cancel button and "Unsaved changes" modal may appear unintentionally on the Scheduling settings page.
• Online Meetings option is missing from Domain Defaults.
• Arabic filenames are occasionally altered in Outlook (POP).
• Persian text alignment changes when English text is included mid-sentence.
• Proposing a new meeting time in webmail does not display correctly to the organizer in Outlook.
• Renaming a user may fail, leaving the username unchanged.
• Some users may experience issues after editing and resetting their account details.
• Unable to impersonate a user when LDAP authentication is enabled.
• Domain-level country blocks ignore whitelisted IP entries.
• Specific configurations may lead to an incorrect "FROM" address in forwarded messages.

• "Use received address from message on reply" does not work properly with multiple SMTP accounts.
• Content filtering "Move-To" option does not fully display folder hierarchy.
• DMARC fails for domain aliases.
• IMAP BODY.PEEK command does not always retrieve email data correctly.
• IMAP subfolders may not sync properly with certain email clients.
• "From" field can occasionally be parsed incorrectly in the message header.
• Legacy SOAP API call "DisableDomain" is nonfunctional.
• Mobile webmail calendar may display with stacking issues.
• Occasional "Unknown domain" notification when accessing a user's account.
• Email categories do not always display.
• Numbering appears indented, but bullet points are not, in webmail Chat.
• Save button remains active even if a default "Appointment Type" is not set in Scheduling.
• DMARC and DKIM checks may be incorrect when SRS forwards a message.
• Zoom Calendar integration (EWS) does not always respect existing appointments in a INGOS MAIL calendar.