Re: MS Exchange Replacement

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Simon Jolle wrote:
2008/4/7, Rudi Ahlers <Rudi@xxxxxxxxxxx>:
Joseph L. Casale wrote:
What is the closest open source mail server I can replace exchange with
that provides the nearest equivalent in user experience?

 What about Zimbra or Scallix?

Both not Open Source
Scalix uses Scalix Public License (SPL) and Zimbra uses Yahoo Public
License (YPL) - both crap licenses and not OSI approved.

Well, the first part of your statement is debatable (that they are not "Open Source"), but the second part is fact .. they do not use OSI approved licenses. So, if your definition of "Open Source" is an OSI approved license, then they are not open source.

What's more, in all of these cases full outlook capability is not provided in the "Free" version anyway.

Outlook calender/meeting functionality requires (in almost all the solutions) a really non open source (proprietary and not compilable) program to make use of the proprietary outlook/exchange interface called MAPI. Most of the free versions of these mail systems use IMAP, with will not properly be used by outlook to do calander functions ... and they charge for the outlook MAPI client, which will allow for outlook calender/meeting functions.


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