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INSTALLING DECmail/MS SOFTWARE Page 1
TOPS-20 DECmail/MS V11
07 Jul 86
COPYRIGHT (c) DIGITAL EQUIPMENT CORPORATION 1986. ALL RIGHTS RESERVED
THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED AND COPIED
ONLY IN ACCORDANCE WITH THE TERMS OF SUCH LICENSE AND WITH THE
INCLUSION OF THE ABOVE COPYRIGHT NOTICE. THIS SOFTWARE OR ANY OTHER
COPIES THEREOF MAY NOT BE PROVIDED OR OTHERWISE MADE AVAILABLE TO ANY
OTHER PERSON. NO TITLE TO AND OWNERSHIP OF THE SOFTWARE IS HEREBY
THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT NOTICE
AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL EQUIPMENT
DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR RELIABILITY OF ITS
SOFTWARE ON EQUIPMENT WHICH IS NOT SUPPLIED BY DIGITAL.
INSTALLING DECmail/MS SOFTWARE Page 2
1.0 DECMAIL/MS DISTRIBUTION
There are four directory areas on this update tape which contain
files relating to the DECmail/MS product. These areas are:
o The PS:<DOCUMENTATION> area contains the installation
instructions (MS-MX.DOC which is this document), and the
beware file (MS-MX.BWR).
o The PS:<SUBSYS> area contains the DECmail/MS executable
files (MS.EXE and MX.EXE) and the DECmail/MS help file
o The PS:<SOURCES.MS> and PS:<SOURCES.MX> areas contain
the source files necessary for rebuilding MS and MX. MS
is the user interface. MX manages message transport and
2.0 INSTALLATION PROCEDURES
1. Use DUMPER to transfer the contents of the documentation
and executable files to the appropriate system
2. Define the system-wide logical name UPS: as a directory
on the public structure. The MX program puts tracking
information in log files in this directory. In
addition, incoming network mail is stored in this
directory before MX distributes it to its final
destination. You also put the optional network-related
files there, as described below.
In the 6-1-CONFIG.CMD file:
DEFINE UPS: PUBLIC:<MX>
INSTALLING DECmail/MS SOFTWARE Page 3
The quota for this directory should be large, at least
2000 pages, to accommodate incoming network mail.
3. MX should be run under an OPERATOR job, preferably under
PTYCON, as a part of your 6-1-PTYCON.ATO file.
3.0 OPTIONAL PROCEDURES
o When MX detects a fatal error, it can automatically dump
and restart itself. It dumps itself to DMP:MX.DMP.
DMP: is normally defined as a system-wide logical name.
Then, the program that the system-wide logical name
RUNMX: points to is run. If you would rather examine
the dump and not have MX automatically restarted, do not
define RUNMX:. To activate the restart capability,
define RUNMX: in the 6-1-CONFIG.CMD file, as follows:
DEFINE RUNMX: SYS:MX.EXE
o In a TOPS-20 cluster, you can set up central "mailboxes"
on a shared structure. Mail sent to any node in the
cluster will be delivered to this structure, and users
will be able to read their mail from any node. To
implement central mailboxes, do the following:
o Redefine POBOX: on each system to be the same
shared structure. (The system-logical name POBOX:
is defined as the public structure by default. The
DECmail/MS system expects all mail files to be on
In the 6-1-CONFIG.CMD file on each system:
DEFINE POBOX: COMMON:
This command assumes you already have a structure
o Set up directories on POBOX: for all users in the
INSTALLING DECmail/MS SOFTWARE Page 4
o Make sure that users are familiar with the ACCESS
command so that they can access their POBOX: areas.
o To facilitate mail delivery among cluster systems,
put the names of all cluster nodes, including this
system's, in UPS:LCHOST.TXT, one per line. Mail
sent within the cluster will then be delivered as
local mail, rather than as network mail, saving time
and system resources.
o Create the file UPS:DNHOST.TXT if:
o You have a DECnet network with Phase 3 nodes out of
the area. Put the names and routing strings of
these nodes in this file.
In this example, SYSA is a Phase 3 system in another
area, and SYSB is a Phase 4 system in the same area
o There are DECnet nodes that you do not want the
DECmail/MS system to recognize. Users will not be
able to send mail to these nodes. However, mail can
be received from them. Add the /INVALID switch to
the entry in the DNHOST.TXT file.
INSTALLING DECmail/MS SOFTWARE Page 5
4.0 BUILDING MS AND MX FROM SOURCES
o First define REL: to point to SYS: i.e. "Define REL:
o In the MS sources area is a file called MS.CTL which
will build MS. If you specify /TAG:COMP when the
control file is submitted, it will force a recompilation
of all sources.
o In order to rebuild MX completely from the MX sources,
you must have the BLISS-36 compiler. Use the MX20.CTL
file to rebuild MX.
5.0 TAILORING MX TO YOUR MAIL TRAFFIC NEEDS
One reason for rebuilding MX is to set up a default number of
listeners (DECnet connections that accept the incoming message).
This allows you to tailor MX to handle heavier SMTP or VMS mail
traffic loads. The number of SMTP listeners to be started up is
in location NSMTP. The number of MAIL-11 listeners to be started
up is in location NVM11. These can be poked with DDT before
starting MX to change the default values. The default values are
2 SMTP listeners, and 3 MAIL-11 listeners.
Alternatively, you can edit NETTAB.MAC and change the literals
DNSMTP and DNVM11 to appropriate values, compile NETTAB, and
Please refer to the MS.BWR file for more information about MS/MX