Microsoft KB Archive/86964

= X400: Transport Classes Supported for X.400 Gateway =

Article ID: 86964

Article Last Modified on 10/30/2006

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APPLIES TO


 * Microsoft Mail Gateway to X.400 3.0

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This article was previously published under Q86964



SUMMARY
The Microsoft Mail Gateway to X.400 occupies the top four levels of the OSI software stack: application, presentation, session, and transport. This leaves the lower three levels available for transporting from point to point.

The lower three levels can range from X.25, TP4, TP0, TCP/IP, IPX, and so forth; however, only the X.25 packet protocol is currently supported.

Additional query words: pcmail

Keywords: KB86964

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