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Scott Kitterman wrote:
...... Original Message .......
On Thu, 21 Jul 2005 09:49:40 +1200 "Craig Whitmore"
<lennon(_at_)orcon(_dot_)net(_dot_)nz>
wrote:
Something which will help ALOT with spam is rejecting the HELO of the ip
address and name of your own mail server
This will stop _A LOT_ more spam/virus traffic than SPF does. (it can drop
spam coming into your system by over 50%)
Thanks
Craig
This is probably the place where the obligitory SPF is anti-forgery, not
anti-spam goes....
I wonder if one is going to check SPF, it might, as a general solution to
this problem, enable an overall simpler system config. Questions related
to regex problems for self HELO checking seem to come up ALL the time on
the Postfix mailing list.
This is a large part of the benefit that we see from SPF at VocaLabs.
Though it is really annoying when some people (rr.net) send you
DSN bounce messages (rr.net) for messages that fail SPF on your
domain because they were originated by a virus factory on their
(rr.net) domain. So determined are they to get the mail through,
that our admin accounts get several of these a day, apparently
bounced multiple times by the degree of nesting involved.
Simply unbelievable. If I've told them the message isn't
from me, I obviously don't care if they couldn't deliver it.
- --
Daniel Taylor VP Operations Vocal Laboratories, Inc.
dtaylor(_at_)vocalabs(_dot_)com http://www.vocalabs.com/
(952)941-6580x203
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