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Q77106: PC Adm: Connecting Two Postoffices by Using Null Modem
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Q77106: PC Adm: Connecting Two Postoffices by Using Null Modem

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Article: Q77106
Product(s): Microsoft Mail For PC Networks
Version(s): WINDOWS:2.1e,3.0,3.0b,3.2,3.2a
Operating System(s): 
Keyword(s): 
Last Modified: 05-NOV-1999

-------------------------------------------------------------------------------
The information in this article applies to:

- Microsoft Mail for PC Networks, versions 2.1e, 3.0, 3.0b, 3.2, 3.2a 
-------------------------------------------------------------------------------

SUMMARY
=======

By making changes to the Microsoft Mail for PC Networks script files, you can
configure more than one COM port for an external computer to allow
communications to another external computer. This will free one COM port for
modem communications to another postoffice, while a null modem cable can be used
to connect the two external computers to establish postoffice- to-postoffice
communications.

The following steps allow two computers, each running the External Mail program,
to communicate by using a serial null modem connection on COM1, and allow the
COM2 port of one of the computers running the External Mail program to
communicate to a remote client or another External Mail program using modem
communications.

1. Modify the NULLMDM.MDM file and add the text "PORT COM1" (without the
  quotation marks) to the Initialize, Call, and Answer segments of the script
  file. Compile the script using the SCRCOMP.EXE utility to create a
  NULLMDM.SCR compiled script file (for more information, see Appendix N of the
  Microsoft Mail for PC Networks "Administrator's Guide").

2. Start the Mail Administrator (ADMIN.EXE) program, select External-Admin,
  Setup, and type "<NULLMDM" in the Phone Number field. This will inform the
  ADMIN.EXE program that any mail to transfer to the first postoffice (PO1)
  will travel through the NULLMDM script, which you set to use the COM1 port
  (in step 1).

3. Choose Config, Serial, and choose COM2 in the Comm. Port field. This informs
  ADMIN.EXE that communications with the Remote clients will take place through
  the COM2 port.

4. The External Mail program connected to the second postoffice (PO2) must use
  the script file that matches the modem type connected to the External Mail
  program. For example, if the modem type connected to the External Mail
  program going to PO2 is Hayes V-Series, the EXTERNAL command-line should read
  as follows:

  external -dmn -tvseries -hm

Additional query words: 2.10e 3.00 3.00b 3.20 3.20a

======================================================================
Keywords          :  
Technology        : kbMailSearch kbZNotKeyword3 kbMailPCN320 kbMailPCN320a kbMailPCN300 kbMailPCN300b kbMailPCN210e
Version           : WINDOWS:2.1e,3.0,3.0b,3.2,3.2a

=============================================================================

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