Test SMTP Open Relay

Step by Step process of testing SMTP Relay


Go to the command line, type telnet exchange or mail server IP 25 and hit enter.
Type "hello" and hit enter.
Type "mail from:God@heaven.com" and hit enter.
Type "rcpt to Admin@mycompany.com" and hit enter.
Type "data" and hit enter.
Type "subject: Hello" and hit enter.
Tpe "hello" and hit enter.
Hit enter, type "." and hit return.

Did you get "relaying denied"? If not, you are a relay agent!