smtpserver(8) on Linux
The text ffaffcfb0a4a, as Debian 2.2 (Potato) shipped it.
zmailer SMTP server
Flags it lists
-
-4 -
-6 -
-B -
-C -
-I -
-L -
-M -
-P -
-R -
-V -
-a -
-g -
-i -
-l -
-n -
-p -
-s -
-w