How to migrate mail to a new server

Marco van Putten marco.vanputten at
Fri Feb 19 10:03:36 EST 2010

J. Roeleveld wrote:
> Hi All,
> I have been reading the thread about using "xfer" to migrate to a different 
> server or to use imapsync instead.
> Both methods appear to require some additional work and I would prefer to 
> simply copy the data across instead of using synchronization tools on live 
> servers. (It's not a requirement to keep the email accessible during the 
> transfer)
> I have around 21GB of mail to copy across and was wondering how best to do 
> this.
> The mail server can (and most likely will) be stopped during the transfer.
> Will it be sufficient to simply copy the "/var/imap" and "/var/spool/imap" 
> folders across?
> The contents of "/var/spool/imap" are all the emails and the db-files and such 
> appear to be in "/var/imap"

I've done the copy method several times without loosing any mail.
In all cases after stopping the mail services before the copy action.
Don't know if its the best/preferred/nicest method but it works for me...


> Or will this cause problems and is there a better/recommended method of doing 
> this?
> Many thanks in advance,
> Joost Roeleveld
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