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How To Test SMTP Services Manually in Windows Server 2003

Support for Windows Server 2003 ended on July 14, 2015

Microsoft ended support for Windows Server 2003 on July 14, 2015. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

This article was previously published under Q323350
For a Microsoft Windows 2000 version of this article, see 286421.

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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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Article ID: 323350 - Last Review: 12/03/2007 04:45:18 - Revision: 6.4

Microsoft Windows Server 2003, Standard Edition (32-bit x86), Microsoft Windows Server 2003, Enterprise Edition (32-bit x86), Microsoft Windows Server 2003, Enterprise x64 Edition, Microsoft Windows Server 2003, Datacenter Edition (32-bit x86), Microsoft Windows Server 2003, 64-Bit Datacenter Edition, Microsoft Windows Server 2003, Web Edition, Microsoft Windows Small Business Server 2003 Standard Edition, Microsoft Windows Small Business Server 2003 Premium Edition

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