On Fri, May 9, 2008 at 5:05 PM, Dallin Jones <[EMAIL PROTECTED]> wrote: > I am looking at migrating my Postfix Mail server from one machine to > another. I have it all set up and working and I am ready to flip the > switch. One thing that I have noticed in my testing is that once I > change the IP address to the new address, the mail client doesn't > fetch any mail from the new server unless I delete the account and > create it again.
This sounds like DNS cache on the client. flush DNS on the client and try again. > I've tried to google this, but all I can find for migrating Postfix to > a new machine, but all that comes up is how to migrate from <enter an > MTA> to Postfix. What OS are the client machines and what software are they running? > Is there a way to get things to switch automagically, or I am I stuck > having everyone that has an email account, delete the old account and > then add it again? > > Also, since the server is setup with IMAP, to copy all the messages > from machine A to machine B, should I use rsync, or is there something > else that should be used? The storage of the messages is handled by postfix. What mailbox storage method are you using? Are you using Maildir format? I currently use mailbox_transport = virtual. rsync is fine as long as you make the permissions and ownership on the new machine match what it was on the old machine. /* PLUG: http://plug.org, #utah on irc.freenode.net Unsubscribe: http://plug.org/mailman/options/plug Don't fear the penguin. */
