How To Test SMTP Services Manually in Windows Server 2003 (323350)

SUMMARY

This article describes how to test the Simple Mail Transfer Protocol (SMTP) service for any system.

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Test the SMTP Service

To test the SMTP service, follow these steps:

1. On a computer running Windows Server 2003, type Telnet at a command prompt, and then press ENTER.
2. At the telnet prompt, type set LocalEcho, press ENTER, and then type open <machinename> 25, and then press ENTER.
   
   The output resembles the following:

   220 computername.microsoft.com ESMTP Server (Microsoft Exchange Internet Mail Service 5.5.2651.58) ready
   					

3. Type helo me, and then press ENTER.
   
   The output resembles the following:

   250 OK
   					

4. Type mail from:email@domain.com, and then press ENTER.
   
   The output resembles the following:

   250 OK - mail from <email@domain.com>
   					

5. Type rcpt to:youremail@yourdomain.com, and then press ENTER.
   
   The output resembles the following:

   250 OK - Recipient <youremail@yourdomain.com>
   					

6. Type Data, and then press ENTER.
   
   The output resembles the following:

   354 Send data.  End with CRLF.CRLF
   					

7. Type Subject:This is a test, and then press ENTER two times.
8. Type Testing, and then press ENTER.
9. Press ENTER, type a period (.), and then press ENTER.
   
   The output resembles the following:

   250 OK
   					

10. Type quit, and then press ENTER.
    The output resembles the following:

    221 Closing Port / Mail queued for delivery
    					

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