Irfan-Notes
Holding the postfix queue at the time of migration. Specifically at the time when you need mailboxd to be running so that imapsync can inject emails.
Hold the queu: postsuper -h ALL release the hold queue: postsuper -r ALL Delete the mailsfrom queue: 'cat /tmp/deletelist | /opt/zimbra/postfix/sbin/postsuper -d -'
Replace organiser of a meeting. 1) zmmailbox -z -m user@domain.com gru /Calendar > /tmp/resourceA.ics 2) modify resourceA.ics (i.e. change the organizer from user to the new person) and rename it to, say, resourceA_updated.ics 3) zmmailbox -z -m resourceA@laika.com pru /Calendar /tmp/resourceA_updated.ics