I would submit to you that any university that doesn't reverse all internet-facing hosts needs to hire new people to handle DNS. It doesn't take a brain surgeon to write pointer records.Some university campuses maintain strict control over their reverse DNS entries, and so departments or on-campus organizations, research institutes, etc. that run their own mail servers will have non-matching forward and reverse DNS entries on their MX hosts. Blocking rules like this make life difficult for them as well.
Having said that, read my response to Tim to see why that's not necessarily a problem. Or better yet, read the link I sent rather than assuming how the program works.
Very simple. Anyone whose email bounces complains to me personally at a known good address on a separate domain. So far I've had one complaint, and I simply adjusted the scoring to overcome the stupidity of his ISP.Cases such as these raise the question, if the blocked mail never gets into your network, how would you know about the rate of false-positives?
Obviously, my brief description wasn't meant to fully explain how policyd-weight works. Read the docs. It's far from a brute-force tool to reject email.
Paul Schmehl ([EMAIL PROTECTED]) Adjunct Information Security Officer The University of Texas at Dallas http://www.utdallas.edu/ir/security/
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