Re: [Exim] bouncing viruses

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Author: Exim Users Mailing List
Date:  
To: Suresh Ramasubramanian
CC: Dr Andrew C Aitchison, Asbjørn Høiland Aarrestad, Exim Users Mailing List
Subject: Re: [Exim] bouncing viruses
[ 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.

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                                Greg A. Woods


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