North American Network Operators Group|
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Re: Lazy network operators - NOT
> Maybe a stupid question... But if broadband providers aren't going to do > this, and considering there are way less legitimate SMTP senders than > broadband users, wouldn't it make more sense to whitelist known real SMTP > sources rather than blacklist all addresses that potentially have a fake > one? that's not a stupid question, and you're right that statistically it's better engineering to make a small list of good things than large lists of bad ones. IETF MARID, my own MAIL-FROM, somebody's SPF, yahoo's "domainkeys", and lots of other people are working on what amounts to "a whitelisting solution", and in a few more years you might actually see some results along those lines.