Re: [Exim] bouncing viruses

Page principale
Supprimer ce message
Répondre à ce message
Auteur: Exim Users Mailing List
Date:  
À: Suresh Ramasubramanian
CC: Dr Andrew C Aitchison, Asbjørn Høiland Aarrestad, Exim Users Mailing List
Sujet: 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.

--
                                Greg A. Woods


+1 416 218-0098;            <g.a.woods@???>;           <woods@???>
Planix, Inc. <woods@???>; VE3TCP; Secrets of the Weird <woods@???>