Fighting spammers with Exim and SA-Exim

The problem

Why Exim?

What can you do about it?

What can you do about it? (cont)

Exim4 ACLs, a godsend

HELO checking

Dictionary Attacks

Teergrubing

SMTP callouts: callbacks

SMTP callbacks/callouts: Random

SMTP callbacks/callouts: NoRandom

SMTP callbacks/callouts: open accept

SMTP callbacks/callouts: in action

SMTP callbacks/callouts: Config

SMTP callbacks/callouts: Caveats

Greylisting: Basics

SMTP time hints for SA

Combining tests for rejection

SA-Exim Basics

SA-Exim Benefits

SA-Exim Caveats

SA-Exim Setup: Checklist

SA-Exim Setup: Exim & SA

SA-Exim Setup: Exim4.conf

SA-Exim Setup: SA-Exim.conf

SA-Exim In Action: Teergrubing

SA-Exim In Action: Log Samples

SA-Exim In Action: Greylisting by Example

SA-Exim In Action: Greylisting Config

What's missing / TODO

Are you a good sysadmin, or programmer? Need a job? (Silicon Valley, Sydney, Santa Monica, Zürich, New York, India) Email: marc_jo@merlins.org

Questions