Configuring Sendmail Milters
- Greylist: Installing milter-greylist from FreeBSD Ports
- ClamAV: Installing clamav-milter from FreeBSD Ports
- SenderID: Installing the SenderID Milter
- DomainKeys: Installing the DomainKeys Milter
- Building libmilter as a Shared Library on FreeBSD
- Notes on Installing MIMEDefang from the FreeBSD Ports Collection
Other Sendmail How-To's
- Help! My Mail Server is Being DoSsed!
- DNSBL: Configuring Sendmail for DNS-Based Blacklisting
- How to Filter All Incoming (and/or Outgoing) Mail with Procmail
- Spam Haters and Spam Friends: Per User (or Per Domain) Spam Control with access_db
- Configuring Sendmail for STARTTLS
- FreeBSD sendmail Frequently Asked Questions
- Installing Majordomo from the FreeBSD Ports Collection
- POP-before-SMTP Relay Configuration in FreeBSD Sendmail
- LMTP Configuration of the Procmail LDA in FreeBSD Sendmail
- FreeBSD Handbook: sendmail Configuration
Documents from the Sendmail 8.14.3 Distribution
- Sendmail 8.14.3 Installation and Operation Guide--PDF format (text format)
- Sendmail Configuration README (cf/README)
- Sendmail Source README (sendmail/README)
- Performance Tuning (sendmail/TUNING)
- Sendmail Security (sendmail/SECURITY)
- Trace Flags (sendmail/TRACEFLAGS)
- Developer Tools README (devtools/README)
- Filtering Mail with Sendmail (libmilter/docs)
- Mail Filter API (Milter) README (libmilter/README)
Securing E-mail (Filtering Spam and Viruses, Authentication, Encryption)
- SPAM/E-mail Filtering with Sendmail, Procmail, MILTERs, ...
- S/MIME & PGP: Security through Message-Oriented Encryption
- SMTP AUTH: Client Authentication and Verification
- STARTTLS (sendmail): Connection-Oriented Security
- SSL/TLS Terms and Acronyms