Re: [Exim] Callout verification

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Autor: Andreas Metzler
Data:  
A: exim-users
Assumpte: Re: [Exim] Callout verification
On 2004-05-06 Andy Fletcher <andy@???> wrote:
[...]
> Many mailservers are configured (against the RFC guidelines) to refuse
> mail from "<>". When performing a sender verify callout from exim,
> exim presents "MAIL FROM:<>", and if the remote mailserver rejects
> this, it would mean the message being verified is rejected - without
> even getting to the "RCPT TO:" stage.


> It seems to myself it would be preferable (though there may be good
> reasons against this, please educate me) for the verify to only fail
> if the 5xx error code is generated after the "RCPT TO:", since
> after all this is the part we're trying to verify - not the
> mailservers configuration to the RFC standards.

[...]

No. We are checking what would happen if we accepted the mail and had
to bounce it. - If the mailserver rejects MAIL FROM:<> we could send
the bounce and it would sit frozen in ou queue.
           cu andreas