qmqpd(8) on macOS

The text ac3e1c397eb3, as macOS 10.12.6, macOS 10.12.5, macOS 10.12.4, macOS 10.12.3, macOS 10.12.2, macOS 10.12.1, macOS 10.12 shipped it.

Postfix QMQP server

qmqpd(8) on macOS now