Copy administrative information and the request to the bottom of replies. This informs the recipient of other commands, and allows some error tracking in case the recipient did not originate the request. Suppress the normal administrative information and request copy. This may make it harder for the recipient to diagnose problems and learn commands. Ignore all commands except digest.
Format specifiers send with individual requests override the default set with the -f switch.
This is useful to set up non-public lists that still give users archive access. Print version info. Print version info. The digest is sent directly to the digest list subscribers. The output is sent to the envelope sender.