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# X400: Using the Mailer -MD Option to Improve Performance

Article ID: 104981

Article Last Modified on 10/30/2006

APPLIES TO

- Microsoft Mail Gateway to X.400 3.2

This article was previously published under Q104981

## SUMMARY

Version 3.2 of Microsoft Mail Gateway to X.400 includes the undocumented switch -MD to disable its Mailer component. The Mailer component distributes incoming messages on a Microsoft Mail for PC Networks postoffice.
NOTE: This option can only be used when another process that also contains the Mailer code is not disabled and is running against the same Microsoft Mail postoffice. This other process can be the External Mail program (EXTERNAL.EXE) or any other gateway.

## MORE INFORMATION

Mailer is the component in the X.400 gateway that distributes a piece of mail to a user's mailbag or the outgoing queue of an externally defined postoffice. Mailer contains code that is shared among all gateways and the External Mail program executable files. If this component was not shared, all gateways would require the External Mail program to be running against the same postoffice as well.

Additional query words: 3.20

Keywords: KB104981