# Nmapnmap-sV--scriptsmtp-open-relay-v $target# Telnettelnet $IP_Address $SMTP_Port> EHLO etisalat.com> Mail From: <support@etisalat.com>> RCPT To: <hassansaad0x@gmail.com>> Data> From: Support <support@etisalat.com>> To: Hassan Saad <hassansaad0x@gmail.com>> Subject: Updates>> Hello Hassan,>> This is an email sent by using the telnet command.>> Your friend.>.> Quit