The Real Spam Problem
People are unable to communicate via email.
That's it, in a nutshell.
Too much spam.
Space. 10 MiB fills in a matter of hours, if not minutes..
Not UCE, but viral mail
is the current problem. Literally
of messages daily.
Technically adept users can cope. With spamassassin, fetchmail,
procmail, exim, and mutt, I'm keeping abreast. Many friends have
installed "SMTP-time" active responses.
It's Joe Public who's got a real problem.
The Spam-Virus Connection
ISPs and Email Service Providers
AOL, MSN, corporate sites: largely a very good record.
Residential broadband: crap.
Bayesians, pattern match.
Tarpitting / Teergrubing
Dramatically slowing down
Active Response -- Filters That Fight Back
Footnote: what is spam