Am 01.02.2013 17:22, schrieb Frank Lienhard: > I'm about to replace my old server. Both servers are on my internal network. > The old one ist running debian lenny(32bit) with dovecot 1.0.15 and the new > one debian Wheezy with dovecot 2.1.7. > I set up the users on both systems identically (same gid uid). > My first attempt was tho simply rsync the Maildirs along with the homes. Both > deovecot versions are set up with the > maildir format, but this results in ~30% doublicated mails on the new server. > I then learned about doveadm/dsync, only to figure out that this isn't > available in v 1.0.15 and therefor won't work. > So which could be the most painless way to solve that?
imapsync is version agnostic and if you have a database with the user-logins it should be easy to geenrate a shellscript i did migration of around 200000 messages and some hundret users from Apple OSX EIMS to dbmail/dovecot in 2009 this way
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