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mtstailor(4) Kernel Interfaces Manual mtstailor(4) NAME mtstailor - System customization for MH message system DESCRIPTION The file /usr/lib/mh/mtstailor defines run-time options for those MH programs that interact in some form with the message transport system. At present, these (user) programs are: ap, conflict, inc, msgchk, msh, post, rcvdist, and rcvpack. The options available along with default values and a description of their meanings are listed below: The host name that MH considers local. If not set, MH queries the system for this value (for example: gethost- name). This has no equivalent in the MH configuration file. The name of the local host in the UUCP "domain". If not set, MH queries the system for this value. This has no equivalent in the MH configuration file. A host or list of hosts running sendmail can be specified. When an MH program is run, it uses this entry to search for a central send- mail to connect to. This is particularly useful for workstation users who may not have sendmail running on their workstation. The directory where maildrops are kept. If this is empty, the user's home directory is used. This overrides the mail field in the MH configuration file. The name of the maildrop file in the directory where maildrops are kept. If this is empty, the user's login name is used. This overrides the mail field in the MH configuration file. The beginning-of-message delimiter for maildrops. The end-of-message delimiter for maildrops. If non-zero, support for MMailids in /etc/passwd is enabled. The pw_gecos field in the password file is of the form My Full Name <mailid> The MH internal routines that deal with user and full names re- turn mailid and My Full Name respectively. The locking disci- pline to perform. A value of 0 or 4 means to use lockf. A value of 1 means to use BellMail locking always (the name of the lock is based on the file name). A value of 2 means to use MMDF locking always (the name of the lock is based on device/inode pairs); supported only within MH. A value of 5 means to use both lockf and BellMail style locking (the default). Note that this locking is superseded by the locking set, if any, in the rc.config file. For more information, see mail_man- ual_setup(7) and Network Administration . The name of the di- rectory for making locks when using MMDF style locking. If the value is empty, the directory of the file to be locked is used. The pathname to the sendmail program. The name of the system- wide default .maildelivery file. See slocal(1) for the details. The highest user-id that should NOT receive mail addressed to everyone. All login names with a user ID greater than the spec- ified value are included in the address list for the alias. If set, each user-id greater than everyone that has a login shell equivalent to the given value (for example, /bin/csh) should not receive mail addressed to everyone. This is useful for handling admin, dummy, and guest logins. Locking MH has a flexible locking system for making locks on files. Two mt- stailor variables pertain to locking: lockstyle and lockldir. The first controls the method of locking; the second specifies where lock files should be created. The lockstyle variable can have one of the following values: Specifies the lockf system call style locking. Specifies that a file should be created whose existence means locked and whose non-existence means un- locked. The lockname is constructed by appending .lock to the name of the file being locked. Specifies that a file should be created whose existence means locked and whose non-existence means unlocked. The lockname is constructed by looking at the device and inode numbers of the file being locked. If the lockldir variable is not specified, lock files are created in the directory where the file being locked resides. Otherwise, lock files are created in the directory specified by lockldir. Specifies the lockf system call style locking. Specifies both lockf and BellMail style locking (the default). Prior to installing MH, you should see how locking is done at your site, and set the appropriate values. FILES System customization file. System password file. RELATED INFORMATION lockf(3), mh_profile(4), mail_manual_setup(7) Network Administration delim off mtstailor(4)