Migrating IMAP accounts from server to server

Do not investigate in the 2342 tools that exist for migrating IMAP accounts from one server to another. They all suck.

Try your luck with imapsync Show archive.org snapshot .
We have no clue why the guys suggest buying the script on their site, maybe they missed removing that part after this April fool's trick.

Go to https://fedorahosted.org/released/imapsync/ Show archive.org snapshot and get the sources there.