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RE: [Full-Disclosure] Block notification / bounce mails (as in DDOS)
From: Aditya, ALD [Aditya Lalit Deshmukh] (aditya.deshmukh
online.gateway.technolabs.net)
Date: Thu Apr 01 2004 - 19:39:52 CST
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> One think that crossed my mind later on was :
> - change my mx-records to one mailhost 'X' that's on my netblock
> (so making
> sure that possibly the backup-mailexchangers don't get annoyed)
here i control my mx and dns records so i can do this without doing anything to the isp so i use this solution
> - contact my isp and ask them to block all traffic directed to
> 'X' to port 25
> on their border routers
this will also work without any probs, infact the mx pointing to localhost might stop all your mail which even this soultion will do ;) how about something like postfix + spamassassin to stop accepting mail that is spam it coluld be eaisily done by one spamasssin rule
-aditya
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