Anti-Spam Configuration Control - http://www.sendmail.org/~ca/email/relayingdenied.html
Instructions for configuring Sendmail 8.8/8.9-8.12 to prevent relaying and reject spam. |
Blocking Mailed Spam - http://www.spam.cl.cam.ac.uk/spam/
This article discusses several alternatives available to sites that want to block mailed spam. |
Kai's SpamShield - http://www.spamshield.org/
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-regex - http://www.benzedrine.cx/milter-regex.html
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. |
milter.org - http://www.milter.org/
A weblog focused on sendmail milter API. |
PTSMail Utilities - http://www.scanmail-software.com/
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 Antispam Home Page - http://www.arachnoid.com/lutusp/antispam.html
Instructions to automatically filter your e-mail, defend your site from exploitation by the spammers |
The Spam Series - Email - http://email.about.com/internet/email/library/series/blspam_series.htm
A series telling everything about the Internet nuisance, spam, from your About.com Guide. |
Using check_* in sendmail 8.8 - http://www.informatik.uni-kiel.de/~ca/email/check.html
sendmail 8.8: using the check_* rules to prohibit unauthorized relaying through your sendmail server and to reject UBE from well known addresses |