On Mon, 5 Mar 2007, Dale Qualls wrote:

> I've got an xmail box acting as a secondary MX and a custdomain simply 
> re-directing the mail to our primary MX.
> 
> Whenever there is a non-deliverable (dictionary attack), the secondary 
> sends an NDR to the spammer address and then has to accept a NDR back 
> when the receiving "spoofed" server sends it.
> 
> Is there a way to drop the NDRs when they come back? 
> 
> Also, my spool is loaded with messages that xmail keeps trying to 
> deliver to obviously bad addresses.  I don't want to set a low timeout 
> threshold in case the primary MX is down for an extended period of time 
> as this would cause legitimate messages to get dumped.
> 
> Any thoughts??

>From XMail 1.23 ahead, if the target domain does not exist, you get a 
bounce immediately.


- Davide


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