On 6/20/2016 3:13 AM, Steffen Kaiser <skdove...@smail.inf.fh-brs.de> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On Sun, 19 Jun 2016, Marco Usai wrote: > >> Yesterday I'vemigrated Dovecot mail archive between two servers using the >> procedure below: >> 1) Createon the new server the same email accounts existing on the old >> server. >> 2) Transferthe "tarred" mail folder from the old to the new server. >> For testingpurposes, on Outlook 2007 I've deleted a .pst cache file, forcing >> the client todownload all emails again. >> >> The switchwas absolutely transparent without any problem. All the emails >> were availableand Outlook 2007 noticed no changes. >> Can Iconsider this a correct procedure or should I use some tools like Dsync >> ?
> If you do not change the mail storage format (Maildir -> dbox, or > something like that), do not change 32bit -> 64bit, big / little endian > a.s.o. > > and if you make sure the old mailbox is not accessed, while you copy the > data over, > > it should work :-) > > In fact, I use "rsync". Imapsync is easier. Made migration from dovecot to Office 365, then back to dovecot painless and easy, and can be done while both systems are live.