Send mail
{
sleep 1
echo "helo $1"
sleep 1
echo "mail from:$2"
sleep 1
echo "rcpt to:$3"
sleep 1
echo "data"
sleep 1
echo "subject: $4"
sleep 1
echo " "
echo "$5"
sleep 1
echo "."
sleep 1
echo "QUIT"
} | telnet <MAILIP> 25