How To Send Emails Using Telnet

TIP: We use the domain example.com as an example. Be sure to replace with your own domain.

1. Open your command prompt.
2. Now, connect with telnet using the following command:

   telnet example.com 25

3. Type ehlo example.com. Some servers also accept helo in place of ehlo.

   ehlo example.com

4. Type mail from: username@example.com:

   mail from: username@example.com

5. Type rcpt to: friend@hotmail.com, friend2@yahoo.com (replace with your actual recipient name):

   rcpt to: friend@hotmail.com, friend2@yahoo.com

6. To write the message – type data, followed by your subject and message. To end the message, put a period on a line by itself and press enter:

   data
   Subject: My Telnet Test Email
   
   Hello,
   
   This is an email sent by using the telnet command.
   
   Your friend,
   Me
   
   .
   

7. Type quit to exit telnet.