On Thu, 5 Sep 2002, Philip Hazel wrote:
> > Is there a convenient way (exim4) to note at the HELO stage that the
> > presented HELO was bad, but defer giving them the bad news until the
> > RCPT TO stage? For such pathological cases, this would seem to me to
> > offer a better prospect of getting rid of them.
>
> Set helo_accept_junk_hosts to let them pass HELO.
Right, I'd got that bit (though I wasn't sure if it would put the
invalid HELO name into $sender_helo_name when
> Then use a regex to inspect $sender_helo_name in the ACL.
Would that be something like this?
deny message = HELO/EHLO contains invalid syntax
condition = ${if match {$sender_helo_name}{\N[^a-zA-Z0-9.-]\N}\
{yes}{no}}
or am I making it too hard?
thanks
