Technoids.org
STARTTLS (sendmail): Connection-Oriented Security
Configuring Sendmail for STARTTLS
My Experiences (So Far) with STARTTLS and Sendmail
(Weldon Whipple)
Section of sendmail/cf/README on STARTTLS
openssl.cnf Man page
(draft)
RFCs
RFC 2487 (STARTTLS)
RFC 2818 (HTTP over TLS)
Does section 3.1 (Server Identity) apply to e-mail too? (Wildcard certs?)