Imapsync for sure. Have used it for both IMAP to IMAP and IMAP to Exchange migrations. Works great.
> On Dec 3, 2017, at 2:08 PM, x9p <dove...@x9p.org> wrote: > > Hi, > > I vouch for imapsync. Have used it in the past with quite a big amount of > emails. > > cheers. > > x0p > >> Hi Friends, >> I would like to ask you a suggestion: >> I need to migrate a imap server to a new one and then dismiss the old >> one. >> Reading from relative Dovecot documentation page >> (https://wiki.dovecot.org/Migration), more tools are shown: >> >> UW-IMAP's mailutil, imapsync, YippieMove and Larch. >> >> The each mail servers are Linux based, one of this (mine) is Dovecot. >> Based on your experience which of these tools would be preferable to >> use? >> >> >> Thank you very much >> >> Davide >> > >