Spam Filtering Related Forums at Your Favorite Things:
Computers and Internet - Discussions pertaining to hardware, software, internet, web design, internet, programming and more.
Computer Software - From operating systems to information management applications. Anti Virus programs to Video Editing. Share your views on the software you are using or ask questions about software you are looking to buy.
The Antispam Home Page - Instructions to automatically filter your e-mail, defend your site from exploitation by the spammers
Blocking Mailed Spam - This article discusses several alternatives available to sites that want to block mailed spam.
Kai's SpamShield - Sendmail add-on that provides rate control and volume limits for Unix-based mail servers. Can stop spam from ISP's own customers, and mail bombers.
milter.org - A weblog focused on sendmail milter API.
milter-regex - milter-regex is a sendmail milter plugin that allows to reject or discard mail based on regular expressions matching SMTP envelope parameters and mail headers and body.
PTSMail Utilities - A commercial email management utility for Unix sendmail servers utilizing the Milter API. Includes anti spam/virus filter, recovery of rejected email, a web/Sendmail Configurator with reporting/analysis capabilities, and keeps copy of all email. Possibility to order free 15-day licence.
The Spam Series - Email - A series telling everything about the Internet nuisance, spam, from your About.com Guide.
Using check_* in sendmail 8.8 - sendmail 8.8: using the check_* rules to prohibit unauthorized relaying through your sendmail server and to reject UBE from well known addresses