#!/bin/sh
  (
   echo HELO www.n-j.fr
   sleep 1
   echo 'MAIL FROM:<adressemail@free.fr>'
   sleep 1
   echo 'RCPT TO:<adressemail@free.fr>'
   sleep 1
   echo DATA
   sleep 1
   echo 'From: <adressemail@free.fr>'
   echo 'To: <adressemail@free.fr>'
   echo 'Subject: Tentative de relance de Postfix'
   echo '.'
   sleep 1
   echo quit
  ) | telnet smtp.free.fr 25