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Re: RE: [Asrg] Some data on the validity of MAIL FROM addresses

"Jon Kyme" <jrk@merseymail.com> Tue, 20 May 2003 15:35 UTC

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In-Reply-To: <MBEKIIAKLDHKMLNFJODBGEAEFEAA.eric@purespeed.com>
Subject: Re: RE: [Asrg] Some data on the validity of MAIL FROM addresses
To: Eric Dean <eric@purespeed.com>
From: Jon Kyme <jrk@merseymail.com>
Cc: ASRG <asrg@ietf.org>
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Date: Tue, 20 May 2003 16:25:47 +0100

> If you are running Exchange or Notes, it's a non-trivial interface to the
> namespace to determine if a user is local...those who use a database can
> often have the MX server and Email Application Server (POP/SMTP/HTTP)
> share
> the same tables and therefore reject dictionary attacks rather than
> bounce
> to non-existant email address (and watch the queue grow). Sure, you can
> run
> an LDAP interface to an Email server but often the dictionary attack is
> less
> load.


Sorry, what? Your justification for not doing BCP is that it's
"non-trivial" to do it on the software you've chosen?

Is it just me, or is this completely arse upwards?








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