[Dovecot] sendmail to postfix-dovecot

Hi, I am a newbie to postfix and dovecot so I hope you can help me. I have an old server running sendmail for many years now. On this server I have about 100 domains and 500 users. The users are named as myuser or myuser.dom. People use pop3 and imap for fetching reading their email. I've setup a

[Dovecot] Problems with dovecot/sendmail combi.

Hi, I am really stuck here. I am trying to setup imap for an external mail server. I have a freebsd server running sendmail / dovecot. I am transfering the existing mail from an exchange 2003 server to the mailserver using imapsync. This works fine, but gives errors when it tries to make a subm