Am 12.09.2011 16:50, schrieb Clarence Brown: > Hi all: > > I've tried googling, and found a ton of stuff, but nothing specific to my > question. I've got an ancient postfix > server with a couple virtual domains, been chugging along solid and stable > for years. > > Want to move to a new server at a different IP, Have the old server forward / > transfer any mail collected in it's > mail boxes to the new server, and not have the users have to make any changes > to their email clients or loose any > email. Is there any way to tell the OLD Postfix to grab a user's mail box and > forward all the messages in it to > that user at the NEW Postfix? > > I'm concerned that if a user last checked email Friday afternoon at 4:00, and > I do the switch over say Saturday > Night, any email collected in the interim will be stuck on the old server > without manual intervention
already delivered mails has nothing to do with MTA / Postfix if you have a IMAP-Server use "imapsync" which is scriptable and has a lot of functions
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