North American Network Operators Group

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Re: SMTP store and forward requires DSN for integrity (was Re:Cluelessanti-virus )

  • From: Edward B. Dreger
  • Date: Sat Dec 10 12:11:13 2005

DO> Date: Fri, 9 Dec 2005 15:08:49 -0800
DO> From: Douglas Otis

DO> This is a third-party acting in good faith, albeit performing a check better
DO> done within the session.  In your view, there is less concern about delivery
DO> integrity, and so related DSNs should be tossed.  Being done within the
DO> session would be ideal, of course.  When their architecture does not support

Let's use some hyperbole:

Say that the latest megaworm chucks out spam at speeds resembling SQL 
Slammer.  The return-path specified is your email address.  Millions of 
MXes send _you_ bogus DSNs "in good faith".

Is this acceptable?  If not, where do you draw the line -- and does that 
line apply to others, too?

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