There is one instance where I block an SPF result of neutral, but not
none. That is when the HELO name has an SPF record:
if hres in ('deny','fail','neutral','softfail'):
self.log('REJECT: hello SPF: %s 550 %s' % (hres,htxt))
self.setreply('550','5.7.1',htxt,
"HELO name for this MTA not authorized by published SPF record."
)
return Milter.REJECT
My reasoning is that while there are many uses for a neutral
result in MFROM SPF records, there really is no excuse to use it
for HELO. Comments?
--
Stuart D. Gathman <stuart(_at_)bmsi(_dot_)com>
Business Management Systems Inc. Phone: 703 591-0911 Fax: 703 591-6154
"Confutatis maledictis, flammis acribus addictis" - background song for
a Microsoft sponsored "Where do you want to go from here?" commercial.
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