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RE: [Asrg] seeking comments on new RMX article

"Eric D. Williams" <eric@infobro.com> Tue, 06 May 2003 16:16 UTC

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Message-ID: <01C313C6.EB9E7A70.eric@infobro.com>
From: "Eric D. Williams" <eric@infobro.com>
To: 'Vernon Schryver' <vjs@calcite.rhyolite.com>, "asrg@ietf.org" <asrg@ietf.org>
Subject: RE: [Asrg] seeking comments on new RMX article
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Date: Tue, 06 May 2003 11:49:31 -0400
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On Tuesday, May 06, 2003 1:51 AM, Vernon Schryver 
[SMTP:vjs@calcite.rhyolite.com] wrote:
>
> ] ...
> ] Is your argument is that IDENT is useless against spam, therefore RMX is
> ] useless against spam?  They're completely different animals...
>
> I think IDENT is in sendmail because it was supposed to be effective
> against spam.  It was not, and I think one major reason is that it
> never reached the critical threshold.

Side note: That is not the origin of IDENT protocol.  IDENT had nothing to do 
with 'spam'.  It is a completely different beast with a completely different 
and more esoteric origin.

> Besides, IDENT for mail seems very similar to RMX.  How would
> checking IDENT values for incoming mail differ from checking RMX bits,
> other than in trivial matters like using port 53 instead of 113?

Huh?  IDENT is not used for that type of purpose and should not be used to 
authorize or authenticate any activity on Internet.

-e
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