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- @(#) DAEMON.ins 1.3 90/01/06 19:47:10
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- This document describes how to install the daemon software on the file
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- server that exports the per-user mail directories, and how to adapt the
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- local sendmail.cf file.
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- Operation
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- =========
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- The per-user mail directories are mounted from a file server. The UUCP
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- file transfer functions of the pc-mail cico program are taken over by
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- the following two programs that run on the file server:
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- pc-mail: deliver mail to a user's mail directory (the receiving
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- function of the cico program). This program is intended
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- to be called by sendmail.
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- pc-maild: scan user mail directories for unsent mail, and pipe it
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- through the UNIX rmail command (the sending function of
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- the cico program). This program should be started at
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- system boot time.
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- All per-user mail directories live below the pc-mail spool directory
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- (/var/spool/pc-mail by default).
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- Both programs report all problems via the syslog facility. Most error
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- conditions case the programs to retry at a later time.
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- Installation on the server
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- ==========================
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- Build the pc-mail and pc-maild programs. In the Makefile, you should
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- specify the location of the executable programs and the pc-mail spool
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- directory, and how often the daemon program will scan user directories
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- for unsent mail. You will probably have to do a `make depend' before
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- you can `make' the programs.
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- Execute the following command to create the pc-mail spool directory, and
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- to install the pc-mail and pc-maild programs. You must be root.
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- % make install
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- The output from the "make" command will depend on how you specified the
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- path names in the Makefile:
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- mkdir /var/spool/pc-mail
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- chmod 755 /var/spool/pc-mail
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- cp pc-mail pc-maild /usr/local/lib
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- chown root /usr/local/lib/pc-mail
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- chmod u+s /usr/local/lib/pc-mail
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- Execute the following command if you wish to install the manual pages.
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- % make installman
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- Again, the output from make will depend on what you specified in the
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- Makefile:
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- cp pc-mail.8 pc-maild.8 /usr/local/man/man8
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- Add a line with the command
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- /usr/local/lib/pc-maild
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- to the file /etc/rc.local (the exact name of the rc script depends on
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- your version of unix, and the exact path name of the pc-maild program
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- depends on where you installed it).
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- For now, you will have to start the pc-maild program by hand (unless
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- you wish to reboot the machine).
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- Add to the sendmail.cf file a line that looks like:
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- Mpc, P=/usr/local/lib/pc-mail, F=lsDFMn, S=xxx, R=yyy, A=pc-mail $u
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- Where xxx and yyy may be the same rewriting rules as used for the local
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- mailer (usually defined with the "Mlocal" line). The exact path name of
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- the pc-mail executable depends on what you specified in the Makefile.
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- In the file sendmail.cf, at the end of ruleset S0, but just BEFORE the
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- local mailer will be invoked (something like "R$* $#local $:$1"), add a
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- line with
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- R $=X $#pc $:$1
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- Use a different letter if X is already in use.
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- There are two ways to define X as a list of pc-mail users. The list can
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- be wired into the sendmail.cf file, e.g.:
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- CXjohn marsha
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- Multiple usernames on a line, and multiple CX lines are allowed.
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- A better way is to have sendmail read the list from an external file, by
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- putting the following line into the sendmail.cf file:
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- FX/etc/pc-mail-users %s
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- The /etc/pc-mail-users file should contain only a single login name per
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- line.
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- Each time you change the list of pc-mail users (either in sendmail.cf,
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- or in the /etc/pc-mail-users file) you will have to kill the sendmail
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- daemon and restart it.
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- Note that the sendmail program ON THE NFS SERVER will never read the
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- pc-mail user's .forward file. That file will still be useful, however,
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- if the user's home directory is exported to OTHER hosts running
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- sendmail. In that case you will want to create a .forward file in the
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- user's home directory containing
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- username@fully-qualified-hostname-of-the-server
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- The same effect can be achieved, of course, by adding an entry to the
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- network-wide alias data base:
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- username: username@server
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