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On Sunday 15 June 2003 10:35 pm, -ray wrote:
> I agree it is not "the" solution, but it is a solution.  There are
> technically better ways to deal with spam, the main problem being the SMTP
> protocol is inheritently incapable of dealing with spam.  Something i read
> recently that looks promising is Reverse MX
> (http://www.ietf.org/internet-drafts/draft-danisch-dns-rr-smtp-01.txt).
> Basically, the receiving MTA does a DNS looking to see if the sending ip
> is listed in the reverse mx record of the domain you say the mail is from.
> If not, the mail is rejected.

This is very close to what AOL does already.  They siimply reverse lookup t=
he=20
IP you're sending from to make sure there's a match.  It's not to hard to s=
et=20
up your mail server to make sure that there is. It would be harder to make=
=20
sure the MX record for your domain, whatever.com, is=20
my-cable-modem-forward-lookup.com


> Seems to be a simple, pretty effective solution.  It will stop a lot of
> mail forgeries.  And it will make spammers start using their own servers
> to send mail, which makes the cost of spamming skyrocket.  Which is fine
> by me.
>
> ray

=2D-=20
Scott Harney <[EMAIL PROTECTED]>
"...and one script to rule them all."
gpg key fingerprint=3D7125 0BD3 8EC4 08D7 321D CEE9 F024 7DA6 0BC7 94E5

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