#!/bin/bash 
{ 
sleep 3 
echo "helo darling" 
sleep 3 
echo "mail from: from@from.it" 
sleep 3 
echo "rcpt to: to@to.com" 
sleep 3 
echo "data" 
sleep 3 
echo "Test via telnet" 
sleep 3 
echo "." 
sleep 3 
echo "quit" 
} | telnet localhost 25