.. ==================================================
.. FOR YOUR INFORMATION
.. --------------------------------------------------
.. -*- coding: utf-8 -*- with BOM.

.. include:: ../../../Includes.txt


.. _introduction-features-antispam:

Anti-Spam
^^^^^^^^^

Prevent duplicate comments (for example, several subsequent POST requests)

Email address syntax validation

Internal spam checker, spam-filter can be set up with spam words in the BE

Optional Email confirmation Opt-in on first use of an email in the system

IP-blocking in backend or from notification email to administrator

IP-blocking lists included (source: `www.spamhaus.org <http://www.spamhaus.org/>`__), blocked IPs
can be refreshed in backend

See IP address of the commenter in BE

Full info about the commenter in notification email to administrator 

Captcha use (sr_freecap clone or recaptcha clone, with options for number of characters and colors)
in comments

Force all messages to pass approval by administrator

Localized approval and notification-email, BB-Tags and attachments are shown in HTML-emails as well.

Prevent duplicate posts and re-posts of the same user in too short time