smtpd(8) on macOS

The text 6df448f445ca, as Mac OS X 10.7.5, Mac OS X 10.7.4, Mac OS X 10.7.3, Mac OS X 10.7.2, Mac OS X 10.7.1, Mac OS X 10.7 shipped it.

Postfix SMTP server

smtpd(8) on macOS now