PostgreSQL 9.1 installs its pid into a different folder than 9.2
Allow # in mail_db_password

I had a # in my mail_db_password and spent the last 2 hours trying to figure out why I couldn't connect by IMAP. A # is only allowed if the connect string is wrapped in quotes.
Merge pull request #140 from jplock/jp-postgres-pid

PostgreSQL 9.1 installs its pid into a different folder than 9.2
Merge pull request #152 from ConceitedCode/patch-1

Allow # in mail_db_password
Making main user's shell configurable
Merge pull request #151 from nureineide/master

Making main user's shell configurable
quote password environment variable in case it contains shell metacharacters
Merge pull request #158 from snowyote/master

quote password environment variable
Docs on setting up a DNS txt record for DKIM

To take advantage of the OpenDKIM installation it's important to set up a DNS txt record. This documentation addition explains how to do that.
Merge pull request #159 from knitatoms/patch-1

Docs on setting up a DNS txt record for DKIM
Quote password variables (they may contain spaces)

String-valued variables containing spaces can be substituted into an ansible
tasks file but they will not be interpreted correctly.
Merge pull request #160 from ariddell/master

Quote password variables (they may contain spaces)
Quote password substitution (may contain spaces)
Merge pull request #161 from ariddell/master

Quote password substitution (may contain spaces)
polish to match the replacement of MySQL.

polish to match the replacement of MySQL with PostgreSQL.
Merge pull request #162 from nstanke/patch-1

polish to match the replacement of MySQL.
Replace ufw with shorewall
WIP Modular firewall rules with ferm

This is UNTESTED, just work in progress.
See mailserver for an idea how the firewall could be configured
modular.
Replace ufw with shorewall
Remove residue