Re: [dns-wg] rMX and rDNS together make spamming more difficult ?

[Jim Reid <]

    >> 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.