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Re: authenticating the source of mail

2002-06-08 12:06:40

     On the MS record issue: would it be more workable to add a record
with some sort of authentication information, and have the receiving SMTP
server force the sending side to authenticate itself if such a record
existed?  It seems to me this would solve the concerns about limiting
sender IPs and changing hostnames without introducing any new problems.  (I
think there's something else--DNSSEC?--that uses a similar system, but it's
4am and I can't bring it to mind at the moment.)

  --Andrew Church
    achurch(_at_)achurch(_dot_)org
    http://achurch.org/

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