Re: Example of the anti-fax effect

[Sam]

D. J. Bernstein writes:

> > envelope sender checking is the _norm_ outside of Qmail world.
>   [ ... ]
> > it does stop its share of the bulk.
> 
> I took 30 envelope sender domains from Bruce Guenter's 1999 spam archive
> and fed them through mail.sendmail.com:
> 
>    aol.com is allowed.
.
.
.
>    alsa.jcu.cz is allowed.
> 
> The original 30 pieces of spam have been slashed to a mere 28. Amazing!

I wasn't aware that the spam archive included spam people didn't actually
receive, because their ISP rejected unresolvable domains.

Every spam in my spam archive also has resolvable return addresses - golly,
shazam! How about that!!