bash script from mail.interbild.net

gistfile1

#!/bin/sh
# script name: mkmailuser
# part of freebsd helpers
# author todor dragnev aka t0d0r

## get command line
user1=$1
password=$2
ip=$3
email=$4
date=`date +"%D %T"`

user=`echo ${user1} | tr "[:upper:]" "[:lower:]"`

if [ "$ip" = "" ]; then
  echo "Usage: $0 <username> <password> <ip> [option@email]"
  exit
fi

if [ -f /home/mail/$user ]; then
  echo "already have account with this login name."
  exit
fi

echo ${password} | pw useradd ${user} -h 0 -d /home/mail/${user} -m -g 200 -c "mailonly[${ip}]" -s /sbin/nologin || exit

echo "
## username : $user
## ip       : $ip
## date     : $date
## email    : $email
" | tee > /home/mail/$user/create-mail.nfo

finger $user