1 Overview

Kerio Connect 9.4 (build 6153) has been released and is available for download.

• Release date: January 13, 2022
• Build ID: 6153

1.1 Changes in this release

1.1.1 New Features

• Two Factor Authentication
• Added application passwords for KOFF, IMAP and similar
• Added TLS options in GUI
• Integration with Let's Encrypt with auto renewal functionality

1.1.2 Fixed issues

• Broken google play icon shown in "sync app" options when integration with webmail
• KOFF not syncing emails over 1000 items on Outlook 365
• Microsoft teams URL not showing in received emails
• Unable to set  the timezone in the webmail client
• ActiveSync is returning search results in the wrong order
• Updated log4j to version 2.17.0
• Server OS information and Kerio connect engine details are exposed
• Changes to "full name" property are not reflected in contacts
• Paper clip icon is showing incorrectly and is disappearing in KOFF & WebMail
• Unable to forward contact "as outlook contact" using EAS protocol with outlook
• Zoom meeting invites are not syncing with iOS calendar
• KOFF authentication fails when reverse proxy changes WWW-authenticate header to lowercase
• Email forwarded back and forth between two mailboxes are lost
• Delegated email addresses are removed from the "To" and "Cc" field when replying to an email
• Shared calendar names are not displayed correctly in the Apple calendar app in BigSur when using CalDav
• ActiveSync implementation allows to send duplicate messages
• Selecting "about" while logged in as the built-in admin results into "internal error"
• Sometimes emails go missing when syncing via ActiveSync
• Alternative address doesn't reply to Calendar invitations
• Kerio connect mail client crashes with "32603" invalid response error
• Attachments are not being detected by the message filter for signed emails
• SMTP relay password has a length limit
• iOS tasks are failing to sync via ActiveSync protocol
• Webmail calendar event with attachment name using international characters  will show file name in binary format
• Error in WebMail when Grammarly add-on detects a spelling mistake
• All-day tasks are synchronized one day earlier
• Resources can be reserved from external calendars only if they are made available  to the entire server
• Kerio connect client 9.3 for Windows no longer supports "Send to" function
• Event attachments with filenames having unicode characters appear as "application/octet-stream" file type with the name "=" after the event has been saved
• ActiveSync search, uses an invalid range when searching GALs on devices using iOS 11 and later
• Unable to remove contacts' last name
• WebMail is incorrectly constructing base href hyperlinks
• Index rebuild causing email lost in differential backups
• Fixed  incorrect translations in Polish, Russian, Chinese and Japanese languages
• Amount  of characters is limited in message filter configured to send automatic response
• Account added to eM client via EWS shows unusual timezone behavior when editing events
• Forwarding an email with no body text will cause sender information to be lost
• Meeting requests created with use of Alias in KOFF will show actual  sender instead of alias
• Items deleted from delegated inbox while using KOFF are permanently deleted instead of being moved to trash folder
• Signed emails are always detected as having Attachments
• Folder sharing not working over AD group
• Attachment with long file name encoded in base64 can cause crashes
• FTS/XMPP server not running after installing the 9.3.1P2 update