I have an old mail server that I have to migrate to a new server with a different name and IP.
I know how to do that (just copy the maildir directory), but how can I do that without my users having to download all of their messages again?
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It depends on how you authorize them, PAM, Mysql, LDAP or some other method.. – NickW Feb 10 '14 at 10:00
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...which mail server you're using might have an impact, too... :/ – HopelessN00b Feb 10 '14 at 10:08
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the old server it's : qmail/vpopmail and on the new server it's : postfix/dovecot – Florian Feb 10 '14 at 10:09
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i read something about the UIDL, do you know how it works? – Florian Feb 10 '14 at 10:40
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Don't move the existing messages? – joeqwerty Feb 10 '14 at 12:52
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I've solved my problem, the UIDL (mail ID) wasn't on the same format in my both servers
for more info : http://wiki2.dovecot.org/Migration
Florian
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