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Re[2]: SMTP RFC: "MUST NOT" change or delete Received header

mohammed serrhini <serrhini@mail.ru> Mon, 31 March 2014 01:49 UTC

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From: mohammed serrhini <serrhini@mail.ru>
To: John Levine <johnl@taugh.com>, IETF <ietf@ietf.org>
Subject: Re[2]: SMTP RFC: "MUST NOT" change or delete Received header
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 A Bayesian Method Bayesian filtering  (it's best known for its extensive testing of message headers) to filter spam

31 Mar 2014 01:16:24 -0000 от "John Levine" <johnl@taugh.com>:
>>>Are there MTAs that make use of the Received: header for loop detection?
>>
>>Mine has since 1998.  If the SMTP daemon sees 100 Received: headers in
>>an incoming message, it rejects it.  This is both in qmail's SMTP
>>daemon and mailfront, a better SMTP daemon often used with qmail.
>
>A little more poking around finds that sendmail and postfix also do,
>although their default limits are 25 and 50 headers, respectively,
>rather than 100.
>


С уважением,
mohammed serrhini
serrhini@mail.ru

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