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postfix-dkim (11) Versions 1.0.5

Installs/Configures postfix and opendkim, a postfix DKIM filter (see: https://help.ubuntu.com/community/Postfix/DKIM)

Berkshelf/Librarian
Policyfile
Knife
cookbook 'postfix-dkim', '= 1.0.5'
cookbook 'postfix-dkim', '= 1.0.5', :supermarket
knife cookbook site install postfix-dkim
knife cookbook site download postfix-dkim
README
Dependencies
Quality

DESCRIPTION

Installs opendkim package and basically follows this: https://help.ubuntu.com/community/Postfix/DKIM

Installs Postfix via the official postfix cookbook and adds the following configuration:

node.default['postfix']['main']['milter_default_action'] = 'accept'
node.default['postfix']['main']['milter_protocol']       = 2
node.default['postfix']['main']['smtpd_milters']         = node[:postfix_dkim][:socket]
node.default['postfix']['main']['non_smtpd_milters']     = node[:postfix_dkim][:socket]

This has been tested on Ubuntu 10.04 and 14.04

ATTRIBUTES

See man 5 opendkim.conf for more info on these:

  • postfix_dkim[:domain] - Domain to sign (default: your FQDN)
  • postfix_dkim[:keyfile] - Full path to location of private key. If it doesn't exist, will use dkim-genkey to make one for you. (default: /etc/mail/dkim.key)
  • postfix_dkim[:selector] - See the section on selectors http://dkim.org/info/dkim-faq.html (default: mail)
  • postfix_dkim[:autorestart] - Restart on failure (default: false). Should probably flip this to true when you're sure the filter works.
  • postfix_dkim[:sender_headers] - SenderHeaders value (default: nil, will use opendkim default). See opendkim manual for more info.

For /etc/default/opendkim:

postfix_dkim[:socket] - Socket to bind to. (default: 'inet:8891@localhost')

For key generation using key-genkey:

postfix_dkim[:testmode] - Run DKIM in test mode? see "t=" on http://www.dkim.org/specs/rfc4871-dkimbase.html#key-text (default: true)

USAGE

Set the attributes (defaults should work for most on Ubuntu), and it installs and configures postfix and the postfix filter (opendkim).

Will attempt to generate a private key for you, if it doesn't already exist (key file is specified in the postfix_dkim[:keyfile] attribute)

Important

DKIM setup is not complete until you create the necessary TXT DNS record containing your public key, which is located in the postfix_dkim[:selector].txt file within the postfix_dkim[:keyfile] directory.

So, if you're using defaults, this will be located in /etc/mail/mail.txt. You can safely delete or move this file once you've created the DNS record.

Dependent cookbooks

postfix > 3.0.0

Contingent cookbooks

There are no cookbooks that are contingent upon this one.

Foodcritic Metric
            

1.0.5 passed this metric