• WebUI per mailbox: Enforce in- and outbound TLS
  
  • ! Works best with Postfix >=3.0 (*uses smtp_dsn_filter to turn temp. TLS errors to perm. errors to notify client instantly)
    
• WebUI per mailbox: Set black- and whitelist records for spam filter
  
• WebUI: Drag and drop Postfix restrictions
  
• Switched WebUI to PDO database interface
  
• Added some options to /var/www/mail/inc/vars.inc.php (please use vars.local.inc.php to overwrite settings)
  
• Multi-language Web UI (English, Portuguese and German)
  
• Fixed errors in Web UI
  
• Removed backup from Web UI and added "mailcow-backup-mail" script
  
• (Hopefully) RFC compliant email addresses
  
• Z-Push removed - choose between SOGo (ActiveSync + DAV) and Roundcube
  
• Better Sender ACL (find it at "edit mailbox")
  
• Fail2ban was removed and should be setup according to your own setup
  
• letsencrypt.sh/dehydrated was added to provide a signed certificate (optional)