Microsoft KB Archive/247862

= XIMS: Microsoft SMTP Service Doesn't Process "." As Expected =

Article ID: 247862

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Commercial Internet System 2.0
 * Microsoft Commercial Internet System 2.5
 * Microsoft Windows NT version 4.0 Option Pack

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This article was previously published under Q247862





SYMPTOMS
A server running the Microsoft SMTP Service, available in the products listed above, may not translate a "." combination as expected when processing mail from an application written using the Collaboration Data Objects for Windows NT (CDONTS).



RESOLUTION
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft Windows NT Server version 4.0 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The typical support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix should have the following file attributes or later:

Component: Mail Server



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.



MORE INFORMATION
According to Request for Comments (RFC) 821, the character sequence ".", if imbedded inside the body of a message, should be sent transparently through an SMTP server. If the server is not expecting this sequence in the body of a message, the message can be truncated at the point where the "." combination is entered. Messages sent by CDONTS containing a "." combination are truncated and not delivered in full. A modification has been made to the Internet Mail Service to ensure these character combinations are passed through correctly.

Additional query words: CDONTS SMTP MCIS

Keywords: kbqfe kbhotfixserver kbbug kbfix KB247862

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