Re: Advanced tricks I use to get rid of spam using MX 4xx

[Russ Nelson <nelson@crynwr.com>]

Marc Perkel writes:
 > Yes - it would be nice if Qmail (without having to apply a third part 
 > path) would have the *option* of processing MX records the way Exim, 
 > Sendmail, Postfix, and Exchange and every other MTA does. Is it too much 
 > to ask for the option?

Yes.  It's useless for delivering email to properly configured hosts.

But let's say it existed.  Your technique for blocking spam is a
FUSSP.  You're assuming that spammers will not change their methods
once they are seen to fail.  Their rule?  "Three MX records means: try
the middle one first."  All your efforts will be for naught.

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