Spam blocking starts at the source of the spam.
Legislation, coupled with aggressive threats, will stop Internet
Service Provider's from hosting spam. No internet Service
Provider wants to get their IP space blacklisted.
2.
Spam blocking happens Server-Side. This is where
most of the action occurs. Numerous technologies exist to ensure
that spam is blocked effectively.
3.
The third wall of defense is the client-side anti-spam
software, such as Outlook's filtering technology. The problem
with client-side technology it is typically very bad at finding out
what is spam, and what is not.
Blocking spam is an ongoing task that
requires constant attention. Computer technology is catching up
to counter all the spam games, and over time, these systems will
become advanced enough to hopefully eliminate the vast majority of
spam. Spam is already blocked in substantially high numbers.
Visit the Spam section of AOL.com, they boast blocking billions of
emails on a regular basis.
Fortunately, spam easy
mechanism with a limited number of avenues to send it through.
The hard part is not blocking spam, but rather avoiding blocking
legitimate email. So, as we work to determine what is spam, and
what is not, we are constantly working towards a brighter future; a
future without spam.