Add self-signed SSL cert section to README

Change database to PostgreSQL

PostgreSQL works similarly with varchar and text columns. Rather than
limiting the amount of characters a column can hold simply use text
columns.

Because this sql is now PostgreSQL specific, there's no need to maintain
what was set in the mysql settings.

Remove all configuration for MySQL and configure PostgreSQL as the main
database.

All *_mysql_* options have been changed to *_db_* options.

Postgres requires the database user to have a password in order to
connect via localhost. The db_admin_password option is used to set the
password of the admin user (usually postgres).

add indexes on the virtual alias tables

Don't individually mail all fail2ban actions

When you're hosting a couple of hundred aliases, you will benefit.
It seems safer to create the index and deal with the slight overhead
for just a couple of records, as opposed to not having these
indexes and deal with serious performance issues if you have
lots of aliases on the machine.

Don't mail them individually to the destemail. The destemail setting is thus no
longer used, but let's set it anyway to be clear where it will mail if you
change the action back.

recipient_delimeter not working

This allows the `recipient_delimiter` setting in etc_postfix_main.cf.j2
to function as intended.

Fixes: #121

See #121

Update the APT cache after adding the ownCloud repo

Silence the selfoss cron job

Fix the Selfoss cron job

Also mailing to root (which gets forwarded to admin_email) for easier automated sorting

Signed-off-by: PajamaSoft <support@pajamasoft.com>

Signed-off-by: PajamaSoft <support@pajamasoft.com>

Signed-off-by: PajamaSoft <support@pajamasoft.com>

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OwnCloud speed

Split up email address information in `mail_virtual_users`

Use the changed `mail_virtual_users` structure to ensure directories and
sieve rules are created for each defined account.

feat(monit): Enable web interface

Web interface listens on localhost only.
The web interface is needed for polling monit
status from the console via::

    monit summary

fix(mail): main_virtual_xx variables usage

mail_virtual_xx list were not use correctly in tasks.

We got error 'unicode object' has no attribute 'name' because:
with_items:
 - "{{ mail_virtual_xx }}
is understood has a list of strings containing information extracted from {{ mail_virtual_xx }} variable

 Now we use:
   with_items: virtual_domain_xx}}"