SMTP: Err Msg: Recipient Unknown

Last reviewed: March 9, 1998
Article ID: Q108052
3.00 MS-DOS kbother kbfile

The information in this article applies to:

  • Microsoft Mail Gateway to SMTP, version 3.0

SYMPTOMS

Version 3.0 of Microsoft Mail Gateway to SMTP generates non-delivery notices for non-existent recipients, and reports the following error message:

   Recipient unknown

CAUSE

The gateway parses the comment part of an address as additional addresses. When the intended recipient tries to reply to all the addresses saved, some addresses are invalid and do not represent real recipients.

STATUS

Microsoft has confirmed this to be problem in version 3.0 of Microsoft Mail Gateway to SMTP. This problem was corrected in version 3.0.8 of SMTPGATE.EXE. If you do not have version 3.0.8 (or later), you can obtain the latest version from the Microsoft Software Library (MSL). Download SMTPGW.EXE (S14223), a self-extracting file, from any of the following services:

  • Microsoft's World Wide Web Site on the Internet

          On the www.microsoft.com home page, click the Support icon.
          Click Knowledge Base, and select the product.
    
          Enter kbfile SMTPGW.EXE (size: 231849 bytes) 
                                 , and click GO!
          Open the article, and click the button to download the file.
    
    
  • Internet (anonymous FTP)

          ftp ftp.microsoft.com
          Change to the Softlib/Mslfiles folder.
          Get SMTPGW.EXE (size: 231849 bytes) 
    
  • The Microsoft Network

          On the Edit menu, click Go To, and then click Other Location.
          Type "mssupport" (without the quotation marks).
          Double-click the MS Software Library icon.
          Find the appropriate product area.
          Locate and Download SMTPGW.EXE.
    
  • Microsoft Download Service (MSDL)

          Dial (206) 936-6735 to connect to MSDL
          Download SMTPGW.EXE (size: 231849 bytes) 
    

For additional information about downloading, please see the following article in the Microsoft Knowledge Base:

   ARTICLE-ID: Q119591
   TITLE     : How to Obtain Microsoft Support Files from Online
               Services


Additional reference words: 3.00
KBCategory: kbother kbfile
KBSubcategory: mailgwsmtp
Keywords : MailGWSMTP kbfile kbother
Version : 3.00
Platform : MS-DOS


THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY.

Last reviewed: March 9, 1998
© 1998 Microsoft Corporation. All rights reserved. Terms of Use.