On Wed, February 29, 2012 9:10 am, Stefan G. Weichinger wrote: > Am 2012-02-29 08:23, schrieb J. Roeleveld: >> Stefan, >> >> I haven't had problems with upgrading, but I didn't "wait" this long. >> Eg. I didn't migrate from 2.1 to 2.4 directly. > > *SIGH* ;-) > >> I would suggest you check on the cyrus-imap mailing list (see bottom of >> email) for tips. Installing it is simple, but there are a few changes >> with >> some of the files. >> >> A safer method would be running the 2 versions in parallel and using >> imapsync or something similar to copy the email over to the new version. > > Sure, yes. I have to research how to do that for hundreds of mailboxes > in one command ...
There is an example for this on the project homepage: http://imapsync.lamiral.info/ All you need is the usernames/passwords for the different users. > I have 2.4.12 on the newer box already, will look that up asap. If you want to still try to copy the mail over, you need to look into converting the *.db files. -- Joost
