`advfilter`: `<boolean>` ('default =' `1`)::

Use advanced filters for statistic.

`avast`: `<boolean>` ('default =' `0`)::

Use Avast Virus Scanner (/usr/bin/scan). You need to buy and install 'Avast Core Security' before you can enable this feature.

`clamav`: `<boolean>` ('default =' `1`)::

Use ClamAV Virus Scanner. This is the default virus scanner and is enabled by default.

`custom_check`: `<boolean>` ('default =' `0`)::

Use Custom Check Script. The script has to take the defined arguments and can return Virus findings or a Spamscore.

`custom_check_path`: `^/([^/\0]+\/)+[^/\0]+$` ('default =' `/usr/local/bin/pmg-custom-check`)::

Absolute Path to the Custom Check Script

`dailyreport`: `<boolean>` ('default =' `1`)::

Send daily reports.

`demo`: `<boolean>` ('default =' `0`)::

Demo mode - do not start SMTP filter.

`dkim_selector`: `<string>` ::

Default DKIM selector

`dkim_sign`: `<boolean>` ('default =' `0`)::

DKIM sign outbound mails with the configured Selector.

`dkim_sign_all_mail`: `<boolean>` ('default =' `0`)::

DKIM sign all outgoing mails irrespective of the Envelope From domain.

`email`: `<string>` ('default =' `admin@domain.tld`)::

Administrator E-Mail address.

`http_proxy`: `http://.*` ::

Specify external http proxy which is used for downloads (example: 'http://username:password@host:port/')

`statlifetime`: `<integer> (1 - N)` ('default =' `7`)::

User Statistics Lifetime (days)

