Spam Blacklist checks for a given IP
Mailserver Spamfilter und Malwarescanner Testmails verschicken
ohje: we already identify who the bad guys are. now we also identify who the good guys are. now you only need to filter the unknown.
The Anti-Spam SMTP Proxy (ASSP) server project is an Open Source, Perl based, platform-independent transparent SMTP proxy server that leverages numerous methodologies and technologies to both rigidly and adaptively identify e-mail spam. ASSP is easy to set up because it requires only minor changes to the configuration of your your Mail Transfer Agent.
Mollom provides a one stop solution for all spam problems and can protect the following Drupal forms
Uses the reCAPTCHA web service to improve the CAPTCHA system and protect email addresses.
The CAPTCHA Pack module contains several CAPTCHA types for use with the CAPTCHA module. The CAPTCHA Pack module is meant to provide lightweight, yet effective alternatives for the traditional image CAPTCHA, which is undesirable in certain situation (e.g. bandwidth restrictions, cpu restrictions, accessibility constraints, etc).