Alavan <[EMAIL PROTECTED]> wrote: > It seems to me that if we make all MTA's register somehow (both SMTP and > POST), this would eliminate the hijacked machine as spambot phenomenon. We > already have MX records for SMTP, but a lot of providers use different > machines to receive (via SMTP) and send mail (POST). So, maybe a new DNS > record is introduced for POST. Your machine(s) could do both or not. When > your server goes to accept a message, it looks to see if the IP of the > sending machine is listed in this new DNS record. If not, return a 5XX > error.
Uhhh... isn't this just SPF? -- Riad S. Wahby [EMAIL PROTECTED] _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.netsys.com/full-disclosure-charter.html
