mirror of
https://github.com/Ponce/slackbuilds
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88 lines
3.4 KiB
Text
88 lines
3.4 KiB
Text
You must stop your running MTA before installing or upgrading netqmail,
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unless you built with DO_CONFIG=no (see below)
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If your running MTA is qmail, you can stop it by entering "qmailctl stop".
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The principal reference for how to install and configure qmail is "Life
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with qmail" herinafter referred to as LWQ. URL is
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http://www.lifewithqmail.org/lwq.html.
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This SlackBuild can be configured to perform all the steps in LWQ
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section 2 (Installation) except 2.9 (Test the Installation).
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SETTING TMP
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This SlackBuild uses mkchroot, which runs best if the TMP directory is on the
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same file system as /usr. If you normally mount /tmp, you may want to use
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TMP=/usr/localtmp ./netqmail.SlackBuild
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otherwise if you are going to build using a mounted /tmp then put
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MKCHROOT_IGNORE_LN_ERRORS=yes ./netqmail.SlackBuild
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to prevent copious error messages. The build will use >200M of file space.
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(when mkchroot fails to make a hard link, it does a "cp -a" instead. The errors
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are not suppressed so the user can ^C out and make the target somewhere else).
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QMAIL USERS AND GROUPS
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Qmail needs 7 users and 2 groups. By default, installing netqmail will create
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them if they do not already exist on the target system. To prevent this:
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INSTALL_USERS=no ./netqmail.SlackBuild
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User and group ids have been assigned by SBo. However if usrs or groups already
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exist on the build system then their ids are used instead. If they don't exist
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on the build system, you can force them to be other than the default bu e.g.:
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NOFILES_GROUP=1001 ALIAS_USER=1001 ./netqmail.SlackBuild
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At least some of the qmail users and groups are compiled into the C code. The
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compile is done in a chroot environment so the build system's /etc/passwd can
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be left untouched. uids & gids defined, discovered or defaulted as above are
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used in the chroot build.
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QMAIL CONFIGURATION
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By default, the SlackBuild implements a number of other steps from LWQ section 2
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(in addition to creating users, above). To completely disable this:
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DO_CONFIG=no ./netqmail.SlackBuild
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If uou specified the above, the rest of this README does not apply: stop
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reading now.
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MAIL ADMININISTRATOR
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RFC 2821 requires that "postmaster" be a real user who can receive mail.
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qmail implements this requirement via its aliasing system. LWQ uses the example
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user "dave":
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ADMIN_USER=dave ./netqmail.SlackBuild
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mail to postmaster will now be sent to dave. Mail to root is also sent to dave,
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via a separate entry in /var/wmail/alias. To see these, use "ls -A" since all
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files in /var/wmail/alias are hidden.
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User "mailer-daemon" is a de-facto standard recipient for some bounces. User
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"abuse" is a de facto standard recipient for abuse complaints. These 2 names are
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symlinked to the postmaster entry in /var/wmail/alias.
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AUTOMATIC START UP
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qmail was written to be controllable by daemontools. To configure that
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daemontools will start qmail, put:
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ADMIN_USER=dave SYMLINK_SERVICE=yes ./netqmail.SlackBuild
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Note that it is an error to request automatic start up without specifying a
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mail admininistrator.
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With this option enabled, qmail should start by itself soon after installation.
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DEFAULT MAIL DELIVERY METHOD
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qmail supports delivery to the traditional mbox format (1 file per user) or the
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newer Maildir format (1 file per email). Users can set their preference in
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~/.qmail; otherwise they get the system default. The default built default
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method is mbox. To change this to Maildir, put:
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MAILDIR=yes ./netqmail.SlackBuild
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