You can also have a look at this : 
http://wiki.bsd-crew.de/index.php/Projektseminar_Mailserver
I did my own mailserver with it. Ther is a part about postfix from 
pkgsrc installation

Regards,

--
Asmodehn



Kimmo Suominen a écrit :

>Florian Stoehr <netbsd@wolfnode.de> writes:
>
>| How to do it "gently", being able to uninstall
>| the pkgsrc version and have a working postfix
>| still alive?
>
>When you install postfix from pkgsrc you should see a message on how
>to enable it in NetBSD.
>
>You should *not* copy the binaries from /usr/pkg to /usr, and there is
>no need to modify /usr/sbin/sendmail (see "man 8 mailwrapper").
>
>What I do on my systems:
>
>Install the following /etc/rc.conf.d/postfix
>
>    #!/bin/sh
>    #
>    # Run the pkg version of postfix if it exists.
>    # It is usually installed for more features.
>    #
>    if [ -f /usr/pkg/sbin/postfix ]
>    then
>	postfix_command=/usr/pkg/sbin/postfix
>    fi
>
>Install the following /etc/mailer.conf
>
>    #
>    # Use "postfix" from pkgsrc as replacement for "sendmail".
>    #
>    sendmail        /usr/pkg/sbin/sendmail
>    send-mail       /usr/pkg/sbin/sendmail
>    mailq           /usr/pkg/sbin/sendmail
>    newaliases      /usr/pkg/sbin/sendmail
>
>    #
>    # Execute the "real" Sendmail program
>    #
>    # Note that sendmail will start by default if this path not changed.
>    # If you want to use another mailer (postfix, exim, qmail, etc), it is
>    # vital that the following lines be commented out.  See rc.conf(5),
>    # mailer.conf(5), and afterboot(8) for more details.
>    #
>    #sendmail       /usr/libexec/sendmail/sendmail
>    #send-mail      /usr/libexec/sendmail/sendmail
>    #mailq          /usr/libexec/sendmail/sendmail
>    #newaliases     /usr/libexec/sendmail/sendmail
>    #hoststat       /usr/libexec/sendmail/sendmail
>    #purgestat      /usr/libexec/sendmail/sendmail
>
>    #
>    # Run Sendmail compatible Postfix commands
>    #
>    # Notes for running postfix:
>    #  - postfix configuration requires either
>    #    hostname to be a FQDN, or for $mydomain
>    #    to be set in /etc/postfix/main.cf
>    #  - postfix does not listen on the network
>    #    by default; to enable inbound mail reception,
>    #    configure /etc/postfix/main.cf and then uncomment
>    #    the smtp service in /etc/postfix/master.cf
>    #
>    #sendmail       /usr/libexec/postfix/sendmail
>    #send-mail      /usr/libexec/postfix/sendmail
>    #mailq          /usr/libexec/postfix/sendmail
>    #newaliases     /usr/libexec/postfix/sendmail
>
>You can revert by commenting out the pkgsrc section and enabling the
>last block for postfix (shown commented out above).
>
>When building postfix, I also have the following in /etc/mk.conf
>
>    PKG_SYSCONFBASE=/etc
>
>If you don't want all configs in /etc, you may consider this instead
>
>    PKG_SYSCONFDIR.postfix=/etc/postfix
>
>which will only affect the postfix package.  This way both the base
>and pkgsrc versions will look for configuration files in the same
>place.
>
>Regards,
>+ Kim
>
>  
>



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