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READ THIS
DISCLAIMER
GETTING HELP
HOW TO GET MH
SYNOPSIS
DESCRIPTION
CONFIGURATION
INSTALLATION
TAILORING
DOCUMENTATION
OTHER THINGS
FILES
SEE ALSO
BUGS
NAME
mh-gen - generating the MH system
READ THIS
This documentation describes how to configure, generate, and
install the UCI version of the RAND MH system. Be certain
to read this document completely before you begin. You
probably will also want to familiarize yourself with the MH
Administrator's Guide before you install MH. A copy can be
found in the file doc/ADMIN.doc is the MH sources.
DISCLAIMER
Although the MH system was originally developed by the RAND
Corporation, and is now in the public domain, the RAND Cor-
poration assumes no responsibility for MH or this particular
modification of MH.
In addition, the Regents of the University of California
issue the following disclaimer in regard to the UCI version
of MH:
"Although each program has been tested by its contribu-
tor, no warranty, express or implied, is made by the
contributor or the University of California, as to the
accuracy and functioning of the program and related
program material, nor shall the fact of distribution
constitute any such warranty, and no responsibility is
assumed by the contributor or the University of Cali-
fornia in connection herewith."
This version of MH is in the public domain, and as such,
there are no real restrictions on its use. The MH source
code and documentation have no licensing restrictions what-
soever. As a courtesy, the authors ask only that you pro-
vide appropriate credit to the RAND Corporation and the
University of California for having developed the software.
GETTING HELP
MH is a software package that is neither supported by the
RAND Corporation nor the University of California. However,
since we do use the software ourselves and plan to continue
using (and improving) MH, bug reports and their associated
fixes should be reported back to us so that we may include
them in future releases. The current computer mailbox for
MH is Bug-MH@ICS.UCI.EDU (in the ARPA Internet), and
...!ucbvax!ucivax!bug-mh (UUCP).
Presently, there are two Internet discussion groups,
MH-Users@ICS.UCI.EDU and
MH-Workers@ICS.UCI.EDU. MH-Workers
is for people discussing code changes to MH. MH-Users is
for general discussion about how to use MH. MH-Users is
bi-directionally gatewayed into USENET as comp.mail.mh.
[mh.6] Last change: MH.6.8 1
MH-GEN(8) MAINTENANCE COMMANDS MH-GEN(8)
HOW TO GET MH
Since you probably already have MH, you may not need to read
this unless you suspect you have an old version. There are
two ways to get the latest release:
1. If you can FTP to the ARPA Internet, use anonymous FTP
to ftp.ics.uci.edu [128.195.1.1] and retrieve the file
pub/mh/mh-6.8.tar.Z. This is a tar image after being run
through the compress program (approximately 1.8MB). There
should also be a README file in that directory which tells
what the current release of MH is, and how to get updates.
This tar file is also available on louie.udel.edu
[128.175.1.3] in portal/mh-6.8.tar.Z. You may also find MH
on various other hosts; to make sure you get the latest ver-
sion and don't waste your time re-fixing bugs, it's best to
get it from either ftp.ics.uci.edu or louie.udel.edu.
2. You can send $75 US to the address below. This covers
the cost of a 6250 BPI 9-track magtape, handling, and ship-
ping. In addition, you'll get a laser-printed hard-copy of
the entire MH documentation set. Be sure to include your
USPS address with your check. Checks must be drawn on U.S.
funds and should be made payable to:
Regents of the University of California
The distribution address is:
Univeristy of California at Irvine
Office of Academic Computing
360 Computer Science
Irvine, CA 92717 USA
+1 714 856 5153
Sadly, if you just want the hard-copies of the documenta-
tion, you still have to pay the $75. The tar image has the
documentation source (the manual is in roff format, but the
rest are in TeX format). Postscript formatted versions of
the TeX papers are available, as are crude tty-conversions
of those papers.
SYNOPSIS
MAKE
DESCRIPTION
This is a description of how one can bring up an MH system.
It is assumed that you have super-user privileges in order
to (re-)install MH. Super-user privileges are not required
to configure or generate MH.
[mh.6] Last change: MH.6.8 2
MH-GEN(8) MAINTENANCE COMMANDS MH-GEN(8)
Become the super-user and cd to /usr/src/local/ (or whatever
you keep your local sources). The distribution tape con-
tains the hierarchy for the mh.6-8/ directory. Bring the
sources on-line:
# cd /usr/src/local
% tar xv
% cd mh-6.8
CONFIGURATION
First, go to the conf/ directory.
% cd conf/
This directory contains files that will produce source files
tailored for your choice of MH configuration. You should
edit only the file MH. This file contains configuration
directives. These configuration directives are read by the
mhconfig program to produce customized files.
For examples of various configurations, look in the direc-
tory conf/examples/. The file MH provided in conf/ is a
reasonable default. Lines beginning with `#' are comments,
and are not otherwise interpreted.
Here are the MH configuration directives available. Be sure
to read through this list completely before attempting to
decide what directives are appropriate for your system.
More information on some of these options is available in
the the Administrator's Guide. If you do not have a printed
copy, you should configure your system with the default con-
figuration file, MH, then generate and print a copy of the
guide (as described below).
Installation paths
bin: /usr/local
The directory where user-invoked programs go (see
manual section 1).
etc: /usr/local/lib/mh
The directory where pgm-invoked programs go (see manual
section 8).
mail: /usr/spool/mail
The directory where the maildrops are stored. If this
pathname is absolute (i.e., begins with a / ), then the
user's maildrop is a file called $USER in this direc-
tory. If the pathname is not absolute, then the user's
maildrop is in the user's home directory under the
given name.
[mh.6] Last change: MH.6.8 3
MH-GEN(8) MAINTENANCE COMMANDS MH-GEN(8)
mandir: /usr/man
The parent directory of the manual entries.
manuals: standard
Where manual entries should be installed, relative to
the directory given with "mandir". Either "local" to
install manual entries under manl/, or "new" to install
manual entries under mann/, or "old" to install manual
entries under mano/, or "standard" to install manual
entries under man?/, or "gen" to generate but not
install them, or "none" to neither generate nor install
them. For example, to install manual entries under
/usr/man/u_man/man?, use "standard" and /usr/man/u_man
for "mandir".
chown: /etc/chown
The location of the chown(8) on your system. If chown
is in your search path, just use the value of "chown".
On SYS5 systems, this should probably be "/bin/chown".
cp: cp
The command to copy files when installing, if not "cp".
(Some sites use "cp -p".)
ln: ln
The command to link files together in the source tree,
if not "ln". If you're using something like lndir to
keep your compile tree separate from your source tree,
set this to "ln -s" or "cp".
remove: mv -f
How MH should make backup copies of existing files when
installing new files. To simply remove the old files,
use "rm -f".
Compiler/loader
cc: cc
The name of your C compiler, if not "cc".
ccoptions: -O
Options given directly to cc(1). The most common is
"-M" if you're running MH on an ALTOS. This defaults
to "-O". If you define this and want to keep "-O", be
sure to include it explicitly. If you're using the GNU
C compiler, it should include `-traditional'. See
"options:" for `-D' options.
curses: -lcurses -ltermlib
This should be the loader option required to load the
termcap(3) and curses(3) libraries on your system. On
SYS5 systems, it probably should be just "-lcurses".
Some sites have reported that both "-lcurses" and
[mh.6] Last change: MH.6.8 4
MH-GEN(8) MAINTENANCE COMMANDS MH-GEN(8)
"-ltermlib" are necessary.
ldoptions: -s
Options given directly to ld(1) (via cc) at the begin-
ning of the command line. Useful for machines which
require arguments to tell ld to increase the stack
space (e.g. the Gould, which uses "-m 8"). Usually,
"-s" is a good choice in any event.
ldoptlibs:
Options given directly to ld(1) (via cc) at the end of
the command line. The two most common are: "-ldbm" if
you're running MMDF with the dbm package; and, "-lndir"
if you are generating MH on a system which does not
load the new directory access mechanism by default
(e.g., 4.1BSD, SYS5). If you don't have libndir on
your system, the sources are in miscellany/libndir/.
lex: lex -nt
Alternative version of lex. Used in zotnet/tws/.
oldload: off
This controls how MH will try to process library object
files to eliminate local symbols. Support for the
ALTOS loader if "on". Support for loaders not handling
`-x -r' correctly if "none".
ranlib: on
Support for systems with ranlib(1). For SYSTEM 5 sys-
tems, this should be "off" which tells MH to use lorder
and tsort instead. Some SYSTEM 5 sites reported that
running this isn't always sufficient. If this is the
case, then you should edit conf/makefiles/uip to
include ../sbr/libmh.a and ../zotnet/libzot.a twice in
the LIBES variable.
Message Transport System
mts: sendmail
Which message transport system to use. Either "mmdf"
to use MHMDF as the transport system, "mmdf2" to use
MHMDF-II as the transport system, "sendmail" to have
SendMHail as the transport system, "zmailer" to have
ZMHAILER as the transport system, or, "mh" to have MH as
the transport system.
On UNIX systems supporting TCP/IP networking via sock-
ets you can add the suffix "/smtp" to the mts setting.
This often yields a superior interface as MH will post
mail with the local SMHTP server instead of interacting
directly with MHMDF or SendMHail. Hence, for TCP/IP UNIX
systems, the "/smtp" suffix to either "sendmail" or
"mmdf2" is the preferred MTS configuration. The
[mh.6] Last change: MH.6.8 5
MH-GEN(8) MAINTENANCE COMMANDS MH-GEN(8)
"/smtp" suffix is described in detail in the
Administrator's Guide; be sure to set "servers:" as
described in mh-tailor(8) if you use this option.
mf: off
Support for mail filtering on those systems in which
the message transport system isn't integrated with UUCP
This option is strictly for an MH system using either
MHMDF-I as its transport system or one using
"stand-alone delivery".
UCI BBoards Facility
bboards: off
If "on", include support for the UCI BBoards facility.
BBoards may be enabled with any mts setting. If "off",
the BBoard reading program bbc will not be installed.
If "nntp", include support for the UCI BBoards facility
to read the Network News via the NNTP. If "pop" (form-
erly "popbboards: on"), include support for the UCI
BBoards facility via the POP3 service; this setting
requires "pop: on".
bbdelivery: off
If "off", the BBoards delivery agent and library files
will not be installed. If "on", and you set "bboards:"
to something besides "off", then the BBoards delivery
agent and library files will be installed in the bbhome
directory (see below). To read remote BBoards, the
usual configuration would have bbc talk to a POP3 or
NNTP server. However, it may be useful to set this to
"off" if you NFS mount the bbhome directory from
another host and want to use bbc to read those files
directly.
bbhome: /usr/spool/bboards
The home directory for the BBoards user.
Post Office Protocol
pop: off
Support for POP service. This allows local delivery
for non-local users (a major win). See
support/pop/pop.rfc for more information on the POP.
This option currently works only on UNIX systems with
TCP/IP sockets. (It doesn't hurt to enable this option
regardless of whether or not you intend to use POP.)
See also "bboards: pop" to enable reading bboards with
the POP.
popdir: /usr/etc
The directory where the POP daemon (popd) will be
installed.
[mh.6] Last change: MH.6.8 6
MH-GEN(8) MAINTENANCE COMMANDS MH-GEN(8)
options:
`-D' options to cc(1).
APOP='"/etc/pop.auth"'
This option indicates that the POP daemon will sup-
port the non-standard APOP command, and specifies the
name of APOP authorization database. The APOP com-
mand provides a challenge-based authentication system
using the MD5 message digest algorithm. This facil-
ity is documented in The Internet MHessage (ISBN
0-13-092941-7), a book by Marshall T. Rose.
This option also causes the popauth program to be
installed, which allows the administrator to manipu-
late the APOP authorization database. For more
details, see support/pop/pop-more.txt and the
Administrator's Guide.
DPOP
This option indicates that POP subscribers do not
have entries in the passwd(5) file, and instead have
their own separate database (a win).
KPOP
Support for KERBEROS with POP. This code builds
popd, inc and msgchk to support only the "kpop" pro-
tocol. This code is still experimental, but is
available for those sites wishing to test it.
MPOP
This option indicates that the POP daemon will sup-
port the non-standard XTND SCAN command which pro-
vides performance enhancements when using the POP
over low-speed connections. This option also causes
an interactive POP client program, popi, to be com-
piled and installed. A man page for the popi program
is also provided.
These extensions are described in The Internet MHes-
sage, a book by Marshall T. Rose. For more details,
see support/pop/pop-more.txt. Note: this option
requires "bboards: pop".
POP2
Have the POP daemon understand the older POP2 proto-
col as well as the MH POP3 protocol - a major win.
The POP daemon auto-magically determines which POP
protocol your client is using. If you're enabling
POP service, there's no reason not to enable this
option as well. See also POPSERVICE.
POPSERVICE
[mh.6] Last change: MH.6.8 7
MH-GEN(8) MAINTENANCE COMMANDS MH-GEN(8)
The port name the MH POP will use. For historical
reasons, this defaults to "pop".
In 1987, the MH POP protocol (POP version 3) was pub-
lished as RFC1081 and was assigned its own port
number (110), which differs from the original POP
(version 1 and 2) port number (109).
To have MH POP use the new assigned port number, set
POPSERVICE='"pop3"', and be sure that this service
name is listed in your /etc/services file on both POP
client and server hosts as "110/tcp". If you enable
POP2, you can safely leave POPSERVICE undefined
unless you are using POP3 clients besides MH.
RPOP
This option indicates that support for the UNIX vari-
ant of POP, RPOP, which uses privileged sockets for
authentication be enabled. This peacefully co-exists
with the standard POP.
SHADOW
Indicates that the popd POP server can find encrypted
passwords in the /etc/shadow file (and not in the
/etc/passwd file). It should be used only for some
(newer) SYSTEM 5 systems.
The "APOP" and "MPOP" non-standard POP facilities are
documented in The Internet MHessage (ISBN 0-13-092941-7),
a book by Marshall T. Rose. For more details, see
support/pop/pop-more.txt. The "APOP" option peacefully
co-exists with the standard POP. The "MPOP" option
requires "bboards: pop".
Shared libraries
sharedlib: off
If "sun4", makes libmh.a into a SunOS 4.0 (and later)
shared library. If you enable this, be sure to also use
"options SUN40". If "sys5", makes libmh.a into a SYS5
R4 (and later) shared library. If you enable this, be
sure to also use "options SVR4".
slflags: -pic
The compiler flags to produce position independent code.
slibdir: /usr/local/lib
The directory where the MH shared library should go.
Under SunOS (sun4)
Since some MH programs are setuid, they'll only look for
the library in "trusted" locations. Putting the library
somewhere besides /usr/lib or /usr/local/lib is not
[mh.6] Last change: MH.6.8 8
MH-GEN(8) MAINTENANCE COMMANDS MH-GEN(8)
advisable.
If you must do this, be sure that you add the path given
by slibdir to the compiler's library search list (e.g.,
"ldoptions: -L/usr/mh/lib") and make sure the path
starts with a leading `/'.
You may need to run ldconfig(8) manually whenever a new
shared object is installed on the system. See ld(1) for
more information about using shared libraries.
Under Solaris 2.0 (and newer)
The above instructions for SunOS apply, except you
should set the run-time library search path using `-R'
instead of `-L' (e.g., "ldoptions: -R/usr/mh/lib").
General System Dependencies
You should include the following directives which are
appropriate for your version of UNIX. If you don't know what
an option does, it probably doesn't apply to you.
mailgroup: off
If set, inc is made set-group-id to this group name.
Some SYS5 systems want this to be set to "mail". Set
this if your /usr/spool/mail is not world-writeable.
Note that slocal doesn't know how to deal with this, and
will not work under these systems; just making it set-
group-id will open a security hole. If you're using
"mailgroup", you should remove slocal (and its man page)
from your system.
signal: int
The base type (int or void) of the function
parameter/return value of signal(2). The default is
int. Set "signal void" on systems which use this type
(e.g., SYSTEM 5 V3.0 and later or Sun OS 4.0 and later).
sprintf: char *
The return value of the sprintf library routine. This
defaults to "char *". Set this to "int" if you have an
older version of SYSTEM 5 which has this routine return
an "int" type.
options:
`-D' options to cc(1).
ALTOS
Use on XENIX/v7 systems. Also, be sure to use
"options V7".
ATTVIBUG
[mh.6] Last change: MH.6.8 9
MH-GEN(8) MAINTENANCE COMMANDS MH-GEN(8)
This option causes MH to return to the "What now?"
prompt if your initial editor is vi and it exits with
non-zero status. Use on Sun OS 4.1 and other systems
where the /usr/ucb/vi editor was changed to exit with
its status equal to the number of pseudo-"errors"
encountered during the edit. This causes a problem
for programs that test the exit status of their editor
and abort if the status is non-zero. (This includes
MH and programs like /usr/etc/vipw).
AUX
Use with AUX systems.
BIND
If you are running with the BIND code on UNIX systems
with TCP/IP sockets (e.g. 4.{2,3}BSD), be sure to
define this.
BSD41A
Use on 4.1a Berkeley UNIX systems.
BSD42
Use on Berkeley UNIX systems on or after 4.2BSD.
BSD43
Use on 4.3 Berkeley UNIX systems. Also, be sure to
use "options BSD42". If openlog(3) (see "man 3 sys-
log") takes three arguments instead of two, and your
write(1) command is set-group-id to group "tty", use
this option. If only one of these conditions is true,
you lose.
BSD44
Use on Berkeley UNIX systems on or after 4.4BSD. This
code is still under development.
DBMPWD
Use this option if your getpwent(3) routines read a
dbm database (such as with Yellow Pages) instead of
doing a sequential read of /etc/passwd. Without
DBMPWD the entire passwd file is read into memory one
entry at a time for alias expansion. This is a per-
formance improvement when reading a standard
/etc/passwd file, but is very slow on systems with a
dbm database. At one site that runs YP on a large
passwd file, it showed a 6:1 performance improvement.
FCNTL
Directs MH to use the fcntl() system call for kernel-
level locking. If you're using a SYS5 system, you may
want this option. (See also `FLOCK' and `LOCKF').
[mh.6] Last change: MH.6.8 10
MH-GEN(8) MAINTENANCE COMMANDS MH-GEN(8)
FLOCK
Directs MH to use the flock() system call for kernel-
level locking. If you're on a BSD42 system, and
you're not using NFS to read or write maildrops, you
should enable this option. (See also `FCNTL' and
`LOCKF').
HESIOD
Support for HESIOD. This code was contributed, and
included no documentation.
LOCKF
Directs MH to use the lockf() system call for kernel-
level locking. If you're using NFS to read or write
maildrops, you should enable this option. (See also
`FLOCK' and `FCNTL').
locname
Hard-wires the local name for the host MH is running
on. For example, locname='"PICKLE"'. It's probably
better to either let UNIX tell MH this information, or
to put the information in the host specific mtstailor
file.
MORE
Defines the location of the more(1) program. On
ALTOS and DUAL systems, set MORE='"/usr/bin/more"'.
The default is "/usr/ucb/more".
NDIR
For non-Berkeley UNIX systems, this MH will try to
find the new directory access mechanism by looking in
<:ndir.h> if this option is given. Otherwise, MH will
try <dir.h>. If you still can't get this to work on
your system, edit h/local.h as appropriate. (See also
`SYS5DIR'.)
NFS
Tells MH to hack around a problem in the NFS C
library. If you get an undefined symbol "ruserpass"
when compiling MH, you need this option. If, however,
you include this option and get an undefined symbol
"__ruserpass" when compiling, then you should omit
this option.
NOIOCTLH
Tells MH not to include the file <sys/ioctl.h>. To be
used on systems where this file is not present.
NTOHLSWAP
Tells MH to use the ntohl() macro when processing msh
binary map files. MH can use this macro on systems
[mh.6] Last change: MH.6.8 11
MH-GEN(8) MAINTENANCE COMMANDS MH-GEN(8)
with the include file netinet/in.h, to byte-swap the
binary information in these map files. If you're
using the same map files on machines of different
architectures, enable this option.
RENAME
Include this option if your system has a rename()
library call. This is true on BSD42 and newer and
some SYS5 systems.
SENDMAILBUG
Causes SMTP reply code 451 (failure) to be considered
the same as code 250 (OK). Since this might cause
problems, only enable this if you are certain that
your SendMail will return this code even when it
doesn't mean to indicate a failure.
SOCKETS
Indicates the availability of a socket interface for
TCP/IP networking that is compatible with 4.{2,3}BSD
UNIX. It is not necessary to define this when BSD42
is already defined, but it might be useful for SYSTEM
5 or HPUX systems with TCP/IP sockets.
SUN40
Use on Sun OS 4.0 (and later?) systems. You also will
need "options BSD42", "options BSD43", and "signal
void".
If you're using Sun's brain-damaged approach to offer-
ing Domain Name Service through NIS, be sure to
include "options BIND" and "ldoptions -lresolv" to
work around some NIS/DNS bugs.
SYS5
Use on AT&T SYSTEM 5 R3 (and newer?) UNIX systems.
See also mailgroup.
SYS5DIR
Define this if your system uses "struct dirent"
instead of "struct direct". This is true of System V
Release 3.0 and later. Uses include file <dirent.h>
and the routines mkdir, rmdir and getcwd.
SVR4
Use on AT&T SYSTEM 5 R4 (and newer?) UNIX systems. You
should also include "options SYS5" and "options
SYS5DIR". See also mailgroup. You will also need to
include "oldload none" if your ld doesn't handle
`-x -r' correctly.
TERMINFO
[mh.6] Last change: MH.6.8 12
MH-GEN(8) MAINTENANCE COMMANDS MH-GEN(8)
Define TERMINFO if you have it. You get it automati-
cally if you're running SYS5, and you don't get it if
you're not. (If you're not SYS5, you probably have
termcap.)
TZNAME
Use time zone names from the tzname variable, set via
tzset. Only applicable on SYSTEM 5 systems and only
effective when you have asked for alpha-timezones (see
the ATZ option). See also ZONEINFO.
UNISTD
Include this option if your system has the file
<unistd.h>. If not specified, the LOCKF option will
include <sys/fcntl.h>.
V7
Use on V7 UNIX systems. Also, be sure to use "options
void=int".
VSPRINTF
Include this option if your system has the vsprintf(3)
library routine; otherwise, _doprnt(3) will be used.
WAITINT
BSD42 based systems call the wait(2) system routine
with a pointer to type union wait. Include this
option if you included "options BSD42", but your sys-
tem calls the wait(2) system routine with a pointer to
type int (the non-BSD42 default).
ZONEINFO
Specify this if you have a BSD43 based system that
keeps time zone information /etc/zoneinfo or
/usr/lib/zoneinfo (SunOS), and where the struct tm
returned by localtime(3) contains a tm_gmtoff element
(see /usr/include/time.h). With this fix the GMT
offset specified in outgoing mail will be corrected
when the TZ enviornment variable is set to a different
time zone. See also TZNAME.
Site Preferences
These options change the default behavior of MH or enable
optional features. Add the options which are appropriate for
your configuration or your site preferences.
editor: prompter
The default editor for MH.
[mh.6] Last change: MH.6.8 13
MH-GEN(8) MAINTENANCE COMMANDS MH-GEN(8)
options:
`-D' options to cc(1).
ATZ
Directs MH to use alpha-timezones whenever possible.
You should not use this option if you are on the Inter-
net, since it will make your host non-compliant with
RFC-1123 (Requirements for Internet Hosts).
ATHENA
Makes repl `-nocc all' the default instead of
`-cc all'. You may want to enable this if you're using
xmh.
BANG
Directs MH to favor `!' over `@' in addressing.
BERK
Optional for for 4.{2,3}BSD sites running SendMail.
Disables nearly all of the RFC822 address and header-
parsing routines in favor of recognizing such formats
as ASCnet, and so on. If you don't need to disable the
parser for this reason, you probably want to use
"options DUMB" instead.
COMPAT
If you previously ran a version of MH earlier than mh.4
use this option. After a short grace period, remove it
and re-{configure,generate,install} everything.
DUMB
Directs MH not to try and rewrite addresses to their
"official" form.
FOLDPROT
Defines the octal value for default folder-protection.
For example, FOLDPROT='"0700"'. The default is "0711".
ISI
When using "repl -ccme", only "cc:" the first address
found which belongs to the user; any other Alternate-
MHailboxes do not receive "cc:"s.
LINK
Defines the filename for alternate file name for dist
and repl. For example, LINK='"\\043"' to use the
pound-sign character. The default is "@".
MHE
Enables crude support for Brien Reid's MHE interface.
Recommended for use with the GNU Emacs mh-e package.
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MH-GEN(8) MAINTENANCE COMMANDS MH-GEN(8)
MHRC
Enables MH to recognize the CShell's `~'-construct.
This is useful for sites that run with a ~/.mhrc for
their users.
MIME
Enables support for multi-media messages, as specified
in RFC 1341 -- a major win. This allows you to include
things like audio, graphics, and the like, in your mail
messages. Several MH commands are extended to support
these multi-media messages, and the mhn command is pro-
vided to encode and decode MIME messages. For more
details, see miscellany/multi-media/READ-ME and mhn(1).
MSGID
Enables slocal to detect and surpress duplicate mes-
sages received. This code uses the <ndbm.h> library,
and requires "options BSD42" since it uses the flock(2)
system call for locking. (Note that this means its
database locking does not work over NFS.) It has only
been tested under SUN40.
MSGPROT
Defines the octal value for default folder-protection.
For example, MSGPROT='"0600"'. The default is "0644".
NOMHSEQ
Directs MH to make private sequences the default.
OVERHEAD
Enable MH commands to read profile/context from open
fd:s without doing an open(); see mh-profile(5) for the
details.
RPATHS
Directs inc to note UNIX "From " lines as Return-Path:
info.
SBACKUP
Defines the prefix string for backup file names. For
example, SBACKUP='"\\043"'. The default is ",".
TMA
Support for the TTI trusted mail agent (TMA). Although
the TTI TMA is not in the public domain, the MH support
for the TTI TMA is in the public domain. You should
enable this option only if you are licensed to run the
TMA software (otherwise, you don't have the software in
your MH source tree).
TTYD
Support for TTYD. This is no longer in wide use, and
[mh.6] Last change: MH.6.8 15
MH-GEN(8) MAINTENANCE COMMANDS MH-GEN(8)
is not recommended.
UCI
First, "_" and "#" are recognized as the prefixes for
scratch files. Second, support for the UCI
group-leadership mechanism is enabled in conflict.
Third, the first line of the file file $HOME/.signature
is used as the Full Name part of your "From:" header.
This may conflict with the interpretation of this file
by News. If you're not at UCI, you probably don't want
this option.
UK
Directs the scan program to generate UK-style dates by
default.
WHATNOW
Enable certain MH commands to act differently when
$mhdraft set.
YEARMOD
This option makes the mh-format %(year) function always
return a value less than 100. Enable this option if
you have local mh-format(5) files which cannot handle
4-digit years. You should convert these files to use a
4-character field width, or use the %(modulo 100) func-
tion to obtain a 2-digit year value. After a short
grace period, remove `YEARMOD' and re-
{configure,generate,install} everything.
Testing/debugging
debug: off
Support for debug mode of MH. Don't use this unless you
know what you're doing, which isn't likely if you're read-
ing this document!
regtest: off
Set this to "on" if you are doing regression testing among
different compilations of MH, and you do not want the
hostname and compile date included in MH binaries.
Now edit conf/config/mtstailor, depending on your choice of
the setting for mts in the MH configuration file. for an
mts setting of "mh", look at the file conf/tailor/mhmts; for
an mts setting of "sendmail", "sendmail/smtp", "mmdf/smtp",
or "mmdf2/smtp", look at the file conf/tailor/sendmts; and,
for an mts setting of "mmdf", or "mmdf2", look at the file
conf/tailor/mmdf.
[mh.6] Last change: MH.6.8 16
MH-GEN(8) MAINTENANCE COMMANDS MH-GEN(8)
Now install the configured files into the source areas. (On
SYS5 systems, or other systems where you get complaints
about "_index" and "_rindex" being undefined, you should use
"make sys5" to compile mhconfig.)
% make
% ./mhconfig MH
Before proceeding, you should familiarize yourself with the
Administrator's Guide. To generate an nroff version, go to
the doc/ directory and type:
% (cd ../doc/; make ADMIN.doc)
If you're already running MH at your site, you should also
read the mh changes document CHANGES. The source is in
papers/changes/.
After reading the Administrator's Guide, you may decide to
change your MH configuration. If so, cd back to the conf/
directory, re-edit the file MH, and re-run mhconfig.
You now proceed based on your choice of a transport system
(the setting for mts above). The best interface is achieved
with "sendmail" followed by "mmdf" or ("mmdf2"), and then
"mh" (stand-alone delivery, not recommended).
SENDMAIL
If you have not enabled BBoards or POP then no further
MTS-specific action is required on your part!
If you have enabled POP, but you want to let SendMHail
deliver mail POP mail using its standard delivery program
/bin/mail, then, again, no further MTS-specific action is
required on your part!
Otherwise, go to the mts/sendmail/ directory.
% cd ../mts/sendmail/
This directory contains files whose definitions correspond
to the configuration of your SendMHail system. If you have
enabled BBoards or POP service, then you will need to
re-configure SendMHail. First, in the "local info" section
of your site's SendMHail configuration file, choose a free
macro/class (B is used in this distribution), and add these
lines:
# BBoards support
DBbboards
CBbboards
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MH-GEN(8) MAINTENANCE COMMANDS MH-GEN(8)
Second, immediately after the inclusion of the zerobase
file, in the "machine dependent part of ruleset zero" sec-
tion, add these lines:
# resolve names for the BBoards system
R$+<@$=B> $#bboards$@$2$:$1 topic@bboards
Be sure to use tabs when separating these fields. Third,
add the line
include(bboardsMH.m4)
after the line
include(localm.m4)
in your site's SendMHail configuration file. Finally, you
should link the file mts/sendmail/bboardsMH.m4 into your
SendMHail cf/ directory and re-configure SendMHail.
If you have enabled POP service, a similar procedure must be
used on the POP service host, to re-configure SendMHail.
First, in the "local info" section of your site's SendMHail
configuration file, choose a free macro/class (P is used in
this distribution), and add these lines:
# POP support
DPpop
CPpop
Second, immediately after the inclusion of the zerobase
file, in the "machine dependent part of ruleset zero" sec-
tion, add these lines:
# resolve names for the POP system
R$+<@$=P> $#pop$@$2$:$1 subscriber@pop
Be sure to use tabs when separating these fields. Third,
add the line
include(popMH.m4)
after the line
include(localm.m4)
in your site's SendMHail configuration file. Finally, you
should link the file mts/sendmail/popMH.m4 into your Send-
MHail cf/ directory and re-configure SendMHail.
MMDF
If you want MHMDF to be your transport service, and have NOT
[mh.6] Last change: MH.6.8 18
MH-GEN(8) MAINTENANCE COMMANDS MH-GEN(8)
specified "mmdf/smtp" (or "mmdf2/smtp") as your mts setting,
then go to the mmdf/ directory. (If you're using
"mmdf/smtp" or "mmdf2/smtp" as your mts setting, then skip
to the next section.)
% cd ../mts/mmdf/
This directory contains files whose definitions correspond
to the configuration of your MHMDF system.
If you're running MHMDF-I, then copy the following files from
wherever you keep the MHMDF sources to this directory:
mmdf/h/ch.h, mmdf/h/conf.h, utildir/conf_util.h,
utildir/ll_log.h, mmdf/h/mmdf.h, utildir/util.h,
mmdf/mmdf_lib.a, and utildir/util_lib.a.
If you're running MHMDF-II, then copy the following files
from where you keep the MHMDF sources to this directory:
h/ch.h, h/conf.h, h/dm.h, h/ll_log.h, h/mmdf.h, h/util.h,
and lib/libmmdf.a
If you have enabled bboards, then the directories
support/bboards/mmdfI and support/bboards/mmdfII contain
information you'll need to put a UCI BBoards channel in your
MHMDF configuration. Similarly, if you have enabled option
"mf" and are running MHMDF-I, then the zotnet/mf/mmdfI/
directory contains information you'll need to put a UUCP
channel in your MHMDF-I configuration. Finally, the direc-
tory support/pop/mmdfII contains information you'll need to
put a POP channel in your MHMDF-II configuration.
Note that MHMDF-II is distributed with the BBoards channel,
although the version in the MH distribution might be more
current, the version in the MHMDF-II distribution has been
tested with that revision of MHMDF.
MMDF/SMTP
If you are using "mmdf/smtp" as your mts setting, then no
further MTS-specific action is required on your part!
MMDF2/SMTP
If you are using "mmdf2/smtp" as your mts setting, then no
further MTS-specific action is required on your part!
STAND-ALONE DELIVERY
If, instead, you want MH to handle its own mail delivery,
then no further MTS-specific action is required on your
part!
GENERATION
Go to the MH top-level directory and generate the system.
[mh.6] Last change: MH.6.8 19
MH-GEN(8) MAINTENANCE COMMANDS MH-GEN(8)
% cd ../; make
This will cause a complete generation of the MH system. If
all goes well, proceed with installation. If not, complain,
as there "should be no problems" at this step.
INSTALLATION
If the directories you chose for the user-programs and
support-programs ("bin" and "etc" in the conf/MH file) don't
exist, you should create them at this point.
Next, if you enabled support for the UCI BBoards facility,
then create a login called "bboards" with the following
characteristics: home directory is /usr/spool/bboards/ with
mode 755 (actually, use the value for "bbhome" given in the
MH configuration file), login shell is /bin/csh (or
/bin/sh), and, encrypted password field is "*". The
"bboards" login should own the /usr/spool/bboards/ direc-
tory. In addition to creating /usr/spool/bboards/, also
create /usr/spool/bboards/etc/ and
/usr/spool/bboards/archive/. These directories should also
be owned by the "bboards" login.
If you enabled support for POP, then on the POP service
host, create a login called "pop" with the following charac-
teristics: home directory is /usr/spool/pop/ with mode 755,
login shell is /bin/csh, and, encrypted password field is
"*". If you don't have /bin/csh on your system (V7), then
/bin/sh is just fine. The "pop" login should own the
/usr/spool/pop/ directory. You'll also need to add a line
to the /etc/services file and the /etc/rc.local file, see
the Administrator's Guide for more details.
If this is not the first time you have installed MH, these
files will need particular attention:
Directory Files
"etc/" MailAliases, BBoardAliases, mtstailor
/usr/spool/bboards/ BBoards, .cshrc, .mh_profile
/usr/spool/bboards/etc/ *
The MailAliases, BBoardAliases, mtstailor and BBoards files
will NOT be installed over existing copies; you will need to
edit these by hand and merge in any changes from your previ-
ous MH release. The other files under /usr/spool/bboards/
will be overwritten if they exist. You may wish to preserve
your old versions of these before installing MH.
As the super-user, and from the mh.6/ directory, install the
system.
# make inst-all
[mh.6] Last change: MH.6.8 20
MH-GEN(8) MAINTENANCE COMMANDS MH-GEN(8)
This will cause the MH processes and files to be transferred
to the appropriate areas with the appropriate attributes.
TAILORING
See the Administrator's Guide for information on tailoring
MH for the MTS, BBoards, and POP.
DOCUMENTATION
In addition to this document, the Administrator's Guide, and
the User's MHanual, there are several documents referenced by
the user's manual which may be useful. The sources for all
of these can be found under the papers/ directory.
OTHER THINGS
Consult the directory miscellany/ for the sources to a
number of things which aren't part of the mainstream MH dis-
tribution, but which are still quite useful.
FILES
Too numerous to mention. Really.
SEE ALSO
make(1)
BUGS
The mhconfig program should be smarter.
There's no way to print the Administrator's Guide until
after you have configured the system; it is difficult to
configure the system without the Administrator's Guide.
The Makefiles should know when mhconfig has been run and
force "make clean" behavior.