[Dovecot] Importing Microsoft PST into Dovecot Imap
mcbdovecot at robuust.nl
Sat Oct 4 00:49:51 EEST 2008
On Fri, 3 Oct 2008, Ilo Lorusso wrote:
> I think the question has been asked before ... but I need to be adviced on
> what would be the best way to import microsoft PST's into Dovecot.. ?
Since you have some money to spend, I'd recommend aid4mail. You can play
around with the free trial version first (max 50 msg per mailbox, and
annoying message counters in converted emails), and see if it suits your
I never tried converting FROM pst files, but it worked like a charm when
converting TO pst files (from Pegasus Mail which had been used as pop3
client for many many years). It uses the MAPI interface from Outlook
or maybe even from OE, so you do need to have that installed on the
windows computer doing the conversions. (See the FAQ about that to be
I've used it to convert some tens of users, and in total about 25.000
messages. It even did the folder and subfolder stuff correctly.
When converting from PST's to Dovecot, you probably want to convert to
Maildir immediately (to keep the folder structures intact - mbox doesn't
allow both folders and messages in a folder!). If that conversion has some
problems, try converting to mbox first and then use mb2md orso to convert
Of course, you could also add an IMAP account to the existing Outlook
install and drag&drop the stuff from the PST to the IMAP account, but that
really is a PITA. Especially if you've got a fair number of users to
migrate. With Aid4mail this still requires you to work your way through
each individual user's PST, but you don't need to do anything special.
Just select source and destination types, and wait for it to complete.
It may even be scriptable, but I never looked into that. (It was just too
easy to just point and click a few times instead of figuring out how to
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