Gary wrote:

> One thought is to thwart the common practice of spammers that target
> only the secondary MX.

> Have you considered doing something like this:

> 10 MX server1.example.com
> 15 MX dummy.example.com
> 20 MX server2.example.com

> resulted in a 25% reduction of traffic for me.

Matt wrote:

>> That's actually a good idea :) I'll consider that!  But all of our MX
>> records are the same priority anyway, but adding a fake secondary might
>> actually be pretty neat (since spammers mght skip "relay1" and "relay2"
>> and go right for the priority 20 server which wont exist.

As a test, I set my system up like this:

10 MX server1.example.com
10 MX server2.example.com
20 MX dummy.example.com

I admit my samples a very limited, but:
My traffic level is back to what it was before, so I would say this
technique has little effect when used with round robin MX records.

Gary V



-------------------------------------------------------
SF.Net email is Sponsored by the Better Software Conference & EXPO
September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices
Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA
Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf
_______________________________________________
AMaViS-user mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/amavis-user
AMaViS-FAQ:http://www.amavis.org/amavis-faq.php3
AMaViS-HowTos:http://www.amavis.org/howto/

Reply via email to