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MH-TAILOR(5) File Formats Manual MH-TAILOR(5) NAME mh-tailor, mts.conf - mail transport configuration for nmh message handler DESCRIPTION The file /usr/local/etc/nmh/mts.conf defines run-time options for those nmh programs which interact (in some form) with the message transport system. At present, these (user) programs are: ap, inc, msgchk, post, rcvdist, and rcvpack. Each option should be given on a single line. Blank lines and lines which begin with `#' are ignored. The options available along with default val- ues and a description of their meanings are listed below: mts: The mail transport method to use. The three acceptable options are smtp (which is the default), sendmail/smtp, and sendmail/pipe. If you use smtp, this will enable a direct SMTP interface in nmh. When sending mail, instead of passing the message to the mail trans- port agent, post will open a socket connection to the mail port on the machine specified in the servers entry. If you use sendmail/smtp, then post will send messages by forking a local copy of sendmail. It will still speak SMTP with this local copy of sendmail. For backward compatibility, sendmail/smtp can be abbre- viated to sendmail. The third alternative, sendmail/pipe, also forks a local copy of send- mail but feeds the message directly to it, using sendmail -t. This replaces the old, undocumented spost mechanism and retains some of its limitations, such as lack of support for the "Dcc:" header field, as described in the send and post manual pages. localname: The hostname nmh considers local. It should typically be a fully qualified hostname. If this is not set, depending on the version of Unix you're running, nmh will query the system for this value (e.g. uname, gethostname, etc.), and attempt to fully qualify this value. If you are using POP to retrieve new messages, you may want to set this value to the name of the POP server, so that outgoing messages appear to have originated on the POP server. localdomain: If this is set, a `.' followed by this string will be appended to your hostname. This should only be needed, if for some reason nmh is not able to fully qualify the hostname returned by the system (e.g. uname, geth- ostname, etc.). clientname: This option specifies the host name that nmh will give in the SMTP HELO (and EHLO) command, when posting mail. If not set, the default is to use the host name that nmh considers local (see localname above). If this option is set, but empty, no HELO command will be given. Although the HELO command is required by RFC 821, many SMTP servers do not require it. Early versions of SendMail will fail if the hostname given in the HELO command is the local host. Later versions of Send- Mail will complain if you omit the HELO command. If you run SendMail, find out what your system expects and set this field if needed. systemname: This option is only used for UUCP mail. It specifies the name of the local host in the UUCP "domain". If not set, depending on the version of Unix you're running, nmh will query the system for this value. This has no equivalent in the nmh configuration file. mmdfldir: /var/mail The directory where mail drops are kept. If this option is set, but empty, the user's home directory is used. This overrides the default value chosen at the time of compilation. mmdflfil: The name of the mail drop file in the directory where mail drops are kept. If this is empty, the user's login name is used. This over- rides the default value (which is empty). spoollocking: flock The locking algorithm to use when opening the mail drop. Can be any one of the following: fcntl dot flock lockf maildelivery: /usr/local/libexec/nmh/maildelivery The name of the system-wide default maildelivery file. See slocal(1) for the details. SMTP support This option is only available if you set mts to smtp. servers: localhost A single hostname to be used when performing mail submission via SMTP. Previous versions of nmh supported multiple hostnames for servers, but the current version of nmh only supports a single entry (the name is kept for backwards compatibility reasons). This can be overridden via the -server switch to send(1). It is not possible to change the mail submission port number in the servers entry; see the -port switch to send(1) for this functionality. SendMail This option is only available if you set mts to sendmail/smtp or send- mail/pipe. sendmail: /usr/sbin/sendmail The pathname to the sendmail program. Post Office Protocol pophost: The name of the default POP service host. If this is not set, then nmh looks in the standard mail drop areas for waiting mail, otherwise the named POP service host is consulted. File Locking A few words on locking: nmh has two main uses for locking: locking the mail spool during mail incorporation, and locking metadata files (sequence files, the context) during updates. These locking methods can be config- ured separately from each other. For locking the mail spool, the spoollocking entry in mh-tailor(5) will control the locking algorithm to use when inc incorporates mail from the spool file. If no entry is given, a default based on the operating system type will be chosen. For locking all other files, the datalocking entry in mh-profile(5) con- trols the locking algorithm used for all other file access. If no entry is given, the fcntl lock method will be chosen. If you do not wish to use kernel-based locking, dot locking is an option available. If "--enable-lockdir=directory" is not specified at build time, lock files will be created in the directory where the file being locked re- sides. Otherwise, lock files will be created in the directory specified by "--enable-lockdir". Prior to installing nmh, you should see how locking is done at your site, and set the appropriate values. FILES /usr/local/etc/nmh/mts.conf nmh mts configuration file PROFILE COMPONENTS None SEE ALSO mh-mts(8), post(8) send(8) DEFAULTS As listed above. The path of the mail transport configuration file can be changed with the MHMTSCONF environment variable and augmented with the MHMTSUSERCONF environment variable, see mh-profile(5). BUGS Failure to open any mail transport configuration file is silently ignored. Therefore, it's best to avoid dynamic creation of such a file with the in- tent of use via the MHMTSCONF or MHMTSUSERCONF environment variables. If such use is necessary, the ability to successfully open the file should first be verified. nmh-1.8+dev 2017-02-19 MH-TAILOR(5)
NAME | DESCRIPTION | FILES | PROFILE COMPONENTS | SEE ALSO | DEFAULTS | BUGS
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