from="[email protected]"
to="[email protected]"
count=100
for ((i=0;i<$count;i++))
do
md5=$(echo $RANDOM | md5sum | awk '{print $1}')
echo $md5
mdx=$(echo $RANDOM | md5sum | awk '{print $1}')

telnet mx.coobe.de 25 <<EOF
HELO $HOSTNAME
MAIL FROM:<$1>
RCPT TO:<$2>
DATA
From: $1
To: $2
Subject: $md5
$mdx
.
EOF
done