[spambayes-dev] Re: Generating SB tokens based upon
information on the net
Brad Knowles
brad.knowles at skynet.be
Wed Aug 4 20:39:00 CEST 2004
At 9:30 AM -0700 2004-08-04, T. Alexander Popiel wrote:
> Actually, the Received header info can come from the HELO or EHLO command
> that opened the conversation, not DNS.
Depends on the MTA configuration. I believe that all current
versions of major MTAs will currently put both claimed EHLO/HELO
information into the "Received:" headers, as well as what comes from
reverse DNS -- by default.
>> Indeed, all MTAs I know of are toast if DNS ever goes down, at
>>least in their default configurations.
>
> Outbound, certainly... but not for inbound.
For both inbound and outbound, by default.
--
Brad Knowles, <brad.knowles at skynet.be>
"Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety."
-- Benjamin Franklin (1706-1790), reply of the Pennsylvania
Assembly to the Governor, November 11, 1755
SAGE member since 1995. See <http://www.sage.org/> for more info.
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