[ On Sunday, February 16, 2003 at 21:12:30 (+0530), Suresh Ramasubramanian wrote: ]
> Subject: Re: [Exim] bouncing viruses
>
> I have seen that issuing a REJECT or a 5xx to virii is a problem, since at
> least some of the direct to MX virii have this habit of hammering nonstop
> at your server at several hundred times a minute (or more) if they get a
> reject.
Never issue a single-line 5xx reject response without delaying. Ideally
issue the first line of a multi-line 5xx reject after a short delay and
only send the last line after a much longer delay.
> Accepting the mail and trashing it is a quite good way to go, in this case.
No, not really, especially not if you're rejecting before the DATA phase.
--
Greg A. Woods
+1 416 218-0098; <g.a.woods@???>; <woods@???>
Planix, Inc. <woods@???>; VE3TCP; Secrets of the Weird <woods@???>