Even though we outsourced our email (Zimbra), landing on Microsoft's blocklist 
has been a chronic problem.  But, apparently through our Microsoft Campus 
agreement we can get access to their "Forefront Online Protection for Exchange" 
(FOPE) service.  Which they said will guarantee to keep us off of their 
blocklists.

>From what I understand its just a spam/virus filtering service...so we need to 
>get our hosting provider to send all our email to them, and then deliver the 
>emails we get back.

Though apparently this is hard for them to do....and they think their own 
IronPort cluster would probably be just as effective.  Except that after a 
couple of years of talking about it, they still haven't done it.

I'm wondering what people know about FOPE, and how well it works, doesn't work, 
etc.  And, how to do it for a Zimbra environment.

FWIW, our on campus smtp has always been doing filtering through clamav (which 
has the SANESECURITY filters, which on occasion does stop a compromised host 
sending phishing emails) and about a year and half ago I threw in spamassassin 
on the outgoing (though that has turned into a quite a bit of work in dealing 
with false positives, without increasing the flow of false negatives....people 
on campus can't seem to write non-spammy looking emails)  Which is why their 
doing outbound spamfiltering has always been so controversial.

========================

MS FOPE link:

http://www.microsoft.com/exchange/en-us/forefront-online-protection-for-exchange.aspx

FOPE User Guide:

http://technet.microsoft.com/en-us/library/ff715254.aspx


-- 
Who: Lawrence K. Chen, P.Eng. - W0LKC - Senior Unix Systems Administrator
For: Enterprise Server Technologies (EST) -- & SafeZone Ally
Snail: Computing and Telecommunications Services (CTS)
Kansas State University, 109 East Stadium, Manhattan, KS 66506-3102
Phone: (785) 532-4916 - Fax: (785) 532-3515 - Email: lkc...@ksu.edu
Web: http://www-personal.ksu.edu/~lkchen - Where: 11 Hale Library
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