nanog mailing list archives

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


From: Todd Vierling <tv () duh org>
Date: Sat, 10 Dec 2005 12:23:09 -0500 (Eastern Standard Time)


On Sat, 10 Dec 2005, Edward B. Dreger wrote:

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".

That's not exactly hyperbole.  My antivirus-spew counter on my 9-user SMTP
server rolled past 1M more than a year ago.

Per incident, it isn't more than 1M; moire like ~50k, but that is still well
beyond DDoS level.

-- 
-- Todd Vierling <tv () duh org> <tv () pobox com> <todd () vierling name>


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