In <20041209201146(_dot_)25829(_dot_)qmail(_at_)xuxa(_dot_)iecc(_dot_)com> John
Levine <clear(_at_)johnlevine(_dot_)com> writes:
There are also a surprising number senders of real
mail whose HELO doesn't match the IP of the host, or whose HELO has no
A record at all.
Oh, yeah, and they aren't just people who know nothing about email.
See my sarcastic post to the MARID list:
http://www.imc.org/ietf-mxcomp/mail-archive/msg03102.html
-wayne