Yes, blocking port 135/tcp should do the trick. Although I've heard you might also need to block 136-139, 445, 593 too.
My ISP has blocked port 135 and that promptly killed my Outlook MAPI access. No more email!
Fortunately, I had HiPerExchange (www.seasidesw.com) running - so I've still got a synched, offline version of my Exchange mailbox that only needs port 443/SSL to get through!
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Yes, blocking port 135/tcp should do the trick. Although I've heard you might also need to block 136-139, 445, 593 too.
My ISP has blocked port 135 and that promptly killed my Outlook MAPI access. No more email!
Fortunately, I had HiPerExchange (www.seasidesw.com) running - so I've still got a synched, offline version of my Exchange mailbox that only needs port 443/SSL to get through!