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[dns-wg] rMX and rDNS together make spamming more difficult ?
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Jim Reid
jim at rfc1035.com
Thu Nov 27 17:32:20 CET 2003
>> My idea is check senders (MTA s) ip and priviledges to use
>> smtp, not using protocol headers or other content filtering
>> method. My idea is control connection (ip) using reverse dns
>> lookup database, not dns lookup.
I'm confused. How do you propose to use the reverse DNS database
without doing a DNS lookup? Please explain.
Oh, and please use a real email address on this list. IIRC postings
are only permitted from list members which means the list should be
spam-free. Putting garbage in the From: header is not appreciated.
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