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

Sat Dec 10 17:23:09 UTC 2005

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 at duh.org> <tv at pobox.com> <todd at vierling.name>