[ On Monday, September 17, 2001 at 16:27:51 (-0400), Dave C. wrote: ]
> Subject: Re: [Exim] Trying to compare HELO data with actual host info in a filter...
>
> Actually, if he's doing this in a filter, that really doesnt apply,
> becuase exim will have already accepted the message.
Nothing in RFC 1123 section 5.2.5 applies w.r.t. any local security
policy decision.
> If he wants to sort or /dev/null the message after its been recieved if
> the helo doesnt match the rDNS, thats entirely up to him.
It's actually a lot better to refuse the connection instantly instead of
receiving a message and then later dropping the message in the bit bucket.
At least then a legitimate sender can be informed of a configuration
problem at their end and hopefully get it fixed.
--
Greg A. Woods
+1 416 218-0098 VE3TCP <gwoods@???> <woods@???>
Planix, Inc. <woods@???>; Secrets of the Weird <woods@???>