Section 10.1

By default, sendmail is no longer set-user-id root (V8.12 and later).

Section 10.8.2.3

The TrustedUser option defines the user that can administer sendmail (V8.10 and later).

Section 10.9

Support has been added for the RFC2554 SMTP AUTH extension (V8.10 and later).

Section 10.10

Support has been added for RFC2487 STARTTLS (V8.11 and later).