Difference between revisions of "Postfix Local Mail"

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[[Category:Networking (English)]]
#REDIRECT [[Postfix]]
[[Category:HOWTOs (English)]]
The goal of this article is to setup Postfix for local mailbox delivery only. See: [[Postfix]] for a virtual mail delivery configuration.
==Postfix Installation==
Install {{package Official|postfix}} package with [[pacman]]:
# pacman -Sy postfix
Make sure that the following shows up in /etc/passwd
Make sure that the following shows up in /etc/group
{{Note|Even though Postfix can be made to run in a chroot, this document does not currently cover such setups.}}
==Postfix Configuration==
===Step 1: Edit /etc/postfix/main.cf===
The only things you need to change are as follows. Uncomment them and modify them to the specifics listed below. Everything else can be left as installed by pacman.
inet_interfaces = loopback-only
mynetworks_style = host
append_dot_mydomain = no
default_transport = error: Local delivery only!
If you want to control where the mail gets delivered and which mailbox format is to be used, you can do this by setting
home_mailbox = /some/path
mail_spool_directory some/path
''mail_spool_directory'' is an absolute path where all mail goes, while ''home_mailbox'' specifies a mailbox relative to the user's home directory. If the path ends with a slash ('/'), messages are stored in Maildir format (direcory tree, one message per file); if it doesn't, the mbox format is used (all mail in one file).
mail_spool_directory = /var/mail  (1)
home_mailbox = Maildir/          (2)
1) All mail will be stored in /var/mail, mbox format
2) Mail will be saved in ~/Maildir, Maildir format
===Step 2: Edit /etc/rc.conf===
Add postfix to the daemons list. Make sure you put it after the network has started.
DAEMONS=(syslog-ng network netfs crond '''postfix''')
===Step 3: Edit /etc/postfix/aliases===
Namely, put a username in for the the following, substituting the correct username you desire (actual system account required) for USER
# Person who should get root's mail. Don't receive mail as root!
root:          USER
Run the following command. This creates the map file that postfix understands.
postalias /etc/postfix/aliases
In addition, create .forward in /root with the contents of the user you want to forward all root mail to:
eg USER@localhost
===Step 4: Start the daemon===
postfix check
If '''postfix check''' returns no errors, then start the daemon.
/etc/rc.d/postfix start
Check /var/log/mail.log for any errors.
===Step 5: Test===
Try sending an email. Even from yourself to yourself should be a good test.
mail -s test user
this is a test email.
Now check your mail using whatever client you desire.
===Step 6: Test some more!===
Make sure root mail forwards to the desired user; use the same test as above, but substitute root for user.

Latest revision as of 03:06, 14 November 2012

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