#!/bin/bash
nc localhost 9025 > /dev/null << EOL 
EHLO barant.com
MAIL FROM: <brad.arant@barant.com>
RCPT TO: <brad.arant@barant.com>
RCPT TO: <brad.arant@gmail.com>
DATA
From: barant@barant.com
To: barant@barant.com
Subject: test email system

This is a test
.
QUIT
EOL