- Charles Marcus dovecot@dovecot.org:
On 2012-12-04 9:20 AM, Jakob Curdes jc@info-systems.de wrote:
Just wondering if there's an open source Linux alternative to MS Exchange so that all the features of outlook work? Did you have a look at zarafa? Most part of it is open source; the outlook connector ist closed source however and requires a license fee for more than three clients. It uses MAPI to connect to Outlook, unlike many other solutions
Am 04.12.2012 15:15, schrieb Marc Perkel: that do calendar syncs etc. via the ActiveSync protocol. Zarafa is a completely different thing than dovecot, however; it stores all mails in a MySQL database.
So does SOGo, no plugin required for Outlook. There is an extension for Thunderbird+Lightning, and it also supports most every mobile client out there.... and it uses Dovecot for the IMAP server *now*, and also includes OpenChange and Samba4. It is also supposed to be *very* lightweight, and can integrate with most any other backend you may be using. We currently use PostfixAdmin for managing email users, and we'll be able to happily keep using it for as long as we want after the migration.
We've used SOGo for the last three years and we deployed it at various locations - starting from 3 up to 30.000 users. SOGo is stable, the company behind SOGo knows what they are doing.
If you plan to migrate a SIEVE configuration you need scripting skills or you will end up adding them all by hand. SOGo currently stores SIEVE rules in its database and writes them into a .sieve on request. It's a one way road. That is actually the onle downside I can think of.
We will be migrating to SOGo (using Thunderbird+Lightning+Google Calendar now) very soon, and we are fully expecting to leverage the fact that SOGo includes Samba4 in the future, so that when the time comes for another Microsoft Server Upgrade, we will instead 'upgrade' to Samba4, and demote our older 2008R2 servers to member servers - if we keep them around at all.
+1
p@rick
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