Re: [nznog] SMTP Servers and Reverse DNS Lookup

neil gardner wrote:

http://www.cs.niu.edu/~rickert/cf/bad-ehlo.html

Decent understandable writeup of the "You should send the right info" and "Don't drop email if you get the wrong info" arguments...

... and having said all that, I admit to dropping some some messages based on HELOs. Mainly viruses and spamware connections, with no false positives yet. Touch wood. -- Juha