ietf-asrg
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Re: [Asrg] whitelisting server and not users

2003-04-02 14:39:46
At 3:10 PM -0600 4/2/03, Steven F Siirila wrote:
Not a problem here since we also look up the EHLO name.  If that resolves
to the caller's IP address, it counts as good as a PTR record in our book.

Careful there. I used to do that, but it wasn't sufficient. Some spammers create DNS records that map to the machine they are currently spamming through.
--
Kee Hinckley
http://www.messagefire.com/          Junk-Free Email Filtering
http://commons.somewhere.com/buzz/   Writings on Technology and Society

I'm not sure which upsets me more: that people are so unwilling to accept
responsibility for their own actions, or that they are so eager to regulate
everyone else's.
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