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Re: mail received from non-existant accounts

To: qmail@xxxxxxxxxxxxx
Subject: Re: mail received from non-existant accounts
From: Russell Nelson <nelson@xxxxxxxxxx>
Date: Thu, 03 Jun 2004 10:22:00 -0400
Delivered-to: de5-qmail@sws5.ornl.gov
Delivered-to: mailing list qmail@list.cr.yp.to
In-reply-to: <004c01c44968$b6544920$1700a8c0@mis.dakotasioux.com>
Mailing-list: contact qmail-help@list.cr.yp.to; run by ezmlm
References: <004c01c44968$b6544920$1700a8c0@mis.dakotasioux.com>

Michael Martinell writes:
 > How is it possible that I just received some spam from a
 > brenda@xxxxxxxxxxxxxxx?  This account has never existed on this
 > mail server.  Don't the users of my smtp have to authenticate
 > first?  If not, where is the setting that will force them to have
 > to?

I'm working on an implementation of DomainKeys for qmail.  It will
cryptographically sign outgoing email, and verify incoming email.  It
will let you mark unsigned email as being less authoritative, or mark
signed email as being more authoritative, as you wish.

-- 
--My blog is at angry-economist.russnelson.com  | When it's nobody's business
Crynwr sells support for free software  | PGPok | the way that you wanna live
521 Pleasant Valley Rd. | +1 315 268 1925 voice | I just have to remember
Potsdam, NY 13676-3213  | FWD# 404529 via VOIP  | there'll be days like this

References:
- mail received from non-existant accounts
  - From: Michael Martinell

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