Altaro VM Backup Support Centre



How to send a test e-mail via Telnet

Last Updated: Jan 26, 2015 12:22PM CET
To send a test email via Telnet, please do the following:
 
  1. Open Command Prompt
     
  2. Type:
     
    		 telnet IP_address_of_mail_server 25 

    The server should respond with 220 (then identifies itself - possibly with several lines of 220 + text)
     
  3. Type:
     
    		 HELO 

    The server should respond with 250 (followed by human readable message)
     
  4. Type in who you want the test e-mail to come from:
     
    		 mail from: you@yourdomain.com

    The server should respond with 250 is syntactically correct (or similar)
     
  5. Type in who you want the test e-mail to go to:
     
    		 rcpt to: them@theirdomain.com

    The server should respond with 250 is syntactically correct (or similar)
     
  6. Type:
     
    		 data 

    The server should tell you to send data then CRLF period CRLF at end
     
  7. Type your test message and then CRLF period CRLF (i.e. type a period on a line by itself then hit ENTER).
    The server should respond with a 250 message submitted to queue

The e-mail will then be submitted to the mail servers queue for delivery and the recipient specified in step 5 should receive it.
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