#!/bin/sh -
PATH=$PATH:/usr/local/sbin:/sbin:/usr/sbin:/usr/lib; export PATH
umask 077

sent="$HOME/l/mail/sent.mbox"
lock="$sent.lock"
sendmail="${SENDMAIL-sendmail}"

# sentmail - sendmail front-end that archives any stdin to a mbox
# Steve Kinzler, kinzler@cs.indiana.edu, Sep 09
# http://www.cs.indiana.edu/~kinzler/home.html#unix

trap 'rm -f "$lock"' 0 1 2 13 15
lockfile "$lock"

(echo "From ${USER-${LOGNAME-me}}@${HOST-localhost} `date`" >> "$sent"
 tee -a "$sent"
 echo '' >> "$sent") | "$sendmail" ${1+"$@"}