Thanks to the hard work of @davidep, we released a bunch of updates on the mail server:
- 
Improved web interface for shared mailboxes 
- 
Fixed public/private access behavior for roundcubemail (thanks to @stephdl) 
- 
User mailboxes can now be marked as “Local network only” 
- 
Fix bogus Junk shared mailbox 
- 
Use group as mail alias destination to ease the creation of distribution lists 
- 
Messages to user mailboxes can be forwarded to multiple addresses (thanks to @phonon112358) 
 Extra releases:
- 
new nDPI kernel module which prevents crashes on large installations 
- 
improved FQDN validator message 
 thank you!
 thank you!