On Thu, 2007-08-09 at 15:35 +0200, Ralf Hildebrandt wrote: > > Creating dovecot-uidlist then caused the UIDVALIDITY to change, which > > causes IMAP clients to redownload all messages, and as you can see > > Dovecot doesn't handle UIDVALIDITY changes all that nicely. v1.1 does a > > better job with it though. > > So, is there a way to migrate WITHOUT all my pop3 users re-downloading > everything?
Well, what you just did probably did that. It just caused IMAP users to download the mails again, but that's more transparent to users because it doesn't create duplicates. I did think about adding the possibility of storing POP3 UIDLs to a separate field in dovecot-uidlist for v1.1, but I haven't managed to write that code yet.
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