I have been exploring this rule in our SPF implementation with great
success:
result = SPF(MFROM.DOMAIN)
if result in [NEUTRAL, SOFTFAIL] then
if HELO.DOMAIN = MFROM.DOMAIN and
result = FAIL
In other words, if the MACHINE and the SENDER is the same domain, then there
is no reason for a NEUTRAL or SOFTFAIL in the SPF(MFROM.DOMAIN) result.
Any comments about this?
--
Hector Santos, Santronics Software, Inc.
http://www.santronics.com
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