nanog mailing list archives

Re: Time to check the rate limits on your mail servers


From: Rich Kulawiec <rsk () gsp org>
Date: Thu, 3 Feb 2005 09:34:16 -0500


On Thu, Feb 03, 2005 at 11:42:55AM +0000, Michael.Dillon () radianz com wrote:
CNET reports 
http://news.com.com/Zombie+trick+expected+to+send+spam+sky-high/2100-7349_3-5560664.html?tag=cd.top
that botnets are now routing their mail traffic through the local
ISP's mail servers rather than trying their own port 25
connections. 

There is one mistatement in this article, though: the author says:

        "This means the junk mail appears to come from the ISP [...]"

If it's coming from their servers (or their network), it IS coming
from the ISP, and they bear full responsibility for making it stop.

---Rsk


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