[exim] New type of spam

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Author: Odhiambo Washington
Date:  
To: exim-users
Subject: [exim] New type of spam
Hello everyone,

Today, a customer reported to me having received an e-mail which had
everything (I mean what would under normal circumstances go into the
body) as part of the subject.

This kind of spam can be blocked, but I am wondering:

(a) What is, according to the RFCs, supposed to be the acceptable
    maximum length for the subject line?
(b) Which acl_smtp_* would be the best to block this type of spam?
(c) Finally, can someone vote their rule as the best/most effective
    against such spam? I need to copycat that one which is considered
    the best ;)




        cheers
       - wash 
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