Re: [exim] "HELO given" check at MAIL or RCPT time?

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Autor: Marc Haber
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Dla: exim-users
Temat: Re: [exim] "HELO given" check at MAIL or RCPT time?
On Wed, 26 Jul 2006 16:09:51 +0200, Jakob Hirsch <jh@???> wrote:
>Quoting Marc Haber:
>> I am wondering whether it is appopriate to do that check at MAIL or at
>> RCPT time. What do you think?
>
>(Default config's) Sender verification is done in the RCPT ACL, so I'd
>say this is also the right point for other checks that would logically
>belong into the MAIL ACL. (HELO check should be before verify, but I
>guess you know that.)
>
>IIRC, the reason for that was that some broken MTAs do not recognise
>permanent errors on MAIL FROM as permanent, so they keep trying to send
>until their queue timeout hits. I wonder if such trash is still in use
>today.


Yes, but these broken MTAs send HELO, and will thus never see this
particular error message.

Greetings
Marc

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