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

On Wed, 2006-07-26 at 16:09 +0200, Jakob Hirsch wrote:

> (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.

I keep thinking I want to move the HELO checks to the HELO ACL, and test
the envelope sender in the MAIL ACL. But then I remember I do want to
accept mail from broken severs and bad senders that is addressed to
postmaster, and I can't do that until the RCPT it known.