Anti-spam techniques review: a few hints and tools review from my own experience.

Spam mesage are very common these days, but filtering them out is not as easy as it seems. The filtering techniques have evolved at the same rate than the spammers' evasive techniques, and the risk of filtering out a legitimate message is greater than ever.

It is also quite difficult to find good and up-to-date counter-measures list that anyone can implement.

Here is a summary of the anti-spam strategies I used / am still using. I hope it will help you understanding today's threats, and build your own solutions.