[Gllug] Exchange -> IMAP

[Paul Lee]

Simon Morris wrote:

> On Mon, 2003-08-18 at 16:42, Tethys wrote:
> 
>>Anyone have experience of migrating users from Exchange to a Unix based
>>IMAP solution? In particular, how do you go about migrating existing
>>mailboxes out of Exchange and into the IMAP server (we haven't decided
>>which one yet, but Sendmail is looking like a frontrunner at the moment)?
>>Can exchange export mailboxes in a sane format? Failing that, can any of
>>the Unix IMAP servers import PST files?
> 
> 
> You could use the mail client to migrate email. Set up a mail client
> using the Exchange IMAP service, and connect to your new server also
> using IMAP.
> 
> You could then drag and drop mail from server to server.
> 
> To be picky sendmail isn't an IMAP server.... you would need something
> like Courier, Cyrus or UW-IMAP on your new system.
> 
> That method isn't very pretty or automated but depending on how many
> users you have it could be handy.
> 
> 
> 

Hi

I switched a small business over from NT/Exchange to Linux/Postfix/Cyrus 
Imap with Horde and it worked very well.

To copy mail out of the exchange system I merely set up the two servers 
and dragged and dropped the mail over from Exchange to Cyrus using 
Outlook Express. Dare say there is a more sophisticated way.

Only thing you might want to watch is the close integration between 
Outlook and Exchange, as people think the calender and scheduling stuff 
under Windows is great.

You don't have to use Cyrus, as there are other IMAP servers, and Cyrus 
admin is a bit command line and arcane for some, though webmin modules 
do exist.

I'd be tempted to consider the SuSE Linux OpenExchange Server which 
wraps the whole thing up with a good web based user interface.


Best Wishes


Paul
paul at weycrest.net



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