==== Required information ====
- iRedMail version: 07.0
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): LDAP
- Web server (Apache or Nginx): Apache
- Linux/BSD distribution name and version: Centos 5
- Related log if you're reporting an issue:
====
We want know about filter rules of roundcube webmail.
There are many options in" Filters" of roundcube webmail.
In option "For incoming mail:" there have: contains, not contains, is equal to .....etc.
We are not clear these option.
Can you please provide us a document of this filters rules?