binmail(1M) — ADMINISTRATOR COMMANDS
NAME
binmail - an early program for processing mail messages
SYNOPSIS
/usr/ucblib/binmail [ -ipq ] [ -f filename ] address
/usr/ucblib/binmail recipient ...
DESCRIPTION
This is the old version 7 UNIX system mail program. The default mail command, /bin/mail is described in mail(1).
binmail is installed on the system to facilitate the local delivery of mail for sendmail. It is intended to be used only by sendmail. It is not suitable for use by users.
SEE ALSO
mail(1), sendmail(1M), vacation_bsd(1).
— Essential Utilities