We are running 5.0.2, and since we've been running Zimbra (since 5.0RC2), we have had more problems with IMAP/POP more than anything else.
We had issues with the LDAP server that prevented IMAP from starting, the memcached port wasn't set correctly.
Now, when we start Zimbra, everything starts, except IMAP. We have to manually start it using
Once that's done, everything's running. IMAP and POP3 are enabled in the GUI, is there a way to use zmprov to make sure it's supposed to start?