[Spambayes] Outlook Addin and CommuniGate MAPI Connector Conflict

Roland Hordos rolandhordos at tundraeng.com
Thu Sep 14 20:52:31 CEST 2006

Hi list,
Following from the "Spambayes crashes my Outlook" thread, I thought I
would post more details on my experience with a similar Outlook crash /
crippled Outlook issue which I was able to workaround with a small
change in source.  This problem occurs in Outlook 2000 and 2003 (maybe
others), with CommuniGate MAPI Intel 1.2.1, 1.2.2
Problem:  SpamBayes' logic on startup of the configuration wizard is to
loop through all entries in the Message Stores Table, then ask each one
for a receive folder (ie Inbox).  The Communigate MAPI connector returns
multiple entries from this call, the first of which responds with the
proper "Inbox" folder when asked for the Receive Folder.  It then causes
an access violation when the next store entry is asked for it's Receive
Folder.  Not sure why a second store entry even exists.
Workaround:  Modify a single line of code to eliminate the multi-store
loop.  The assumption here is that you only need one store (probably
true if you're running a CommuniGate server).
Source file:  spambayes/Outlook2000/msgstore.py
In the YieldReceiveFolders function, comment out the "for row in rows:"
line and replace with "if True:"
Thanks to the well written code by the contributors, and good
development documentation, this did not take long to find, modify, and
re-package for our internal needs.
If someone is so inclined to work a permanent solution around this such
as an installation option to only allow a single message store, or to
coach me on how to do this quickly, it may help others with other
similar Outlook environment issues.
thanks, Roland;

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