Migrated 300+ mailboxes a few days ago (pop->imap and imap->imap) using imap tools from http://www.athensfbc.com/imap_tools/. Use v1.74 tar file. The author fixed a date issue. For some reason Dovecot expects that time format to be 2 characters, so for example 2:10:41 will fail but 02:10:41 will pass. After the script was changed all went very smooth. You can use the mass migration tools (migrateimap.pl and pop2imap.pl)
I did not have much luck with imapsync.
Regards Kilburn
On 17/06/2010 12:44 AM, Gavin Lawrie wrote:
Arne, Timo
Really helpful suggestions. Thanks!
imapsync looks like it will do the job - I think I can get the two servers to co-exist on the same server, so bandwidth issue will be minimised. Presumably also it will negate the need to convert each user to having just MailDir directories before the move
I will have a think about the script / dsync solution - if it turns out to be useful over imapsync and I create anything useful I will of course share it back via list etc.
Regards
Gavin
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