At 1:25 PM -0600 4/2/03, Steven F Siirila wrote:
Personally, I'd go a step further. Associate an MTA connection with a
domain name. In other words, require rDNS and use the host name returned
to look up a TXT record. Using your above example, you'd have this:
Yes. But that particular step breaks 30% of the email out there (at
least that's the number I've seen for email senders without proper
reverse DNS). It may be high--but certainly no major ISP that has
attempted to block on rDNS has kept the block--and they weren't even
authenticating--just seeing if it was there.
--
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.
_______________________________________________
Asrg mailing list
Asrg(_at_)ietf(_dot_)org
https://www1.ietf.org/mailman/listinfo/asrg