Managing Linux® Systems with Webmin™ System Administration and Module Development

45.6. Conditional Blocks and Include Files

A conditional block is a group of actions and variable assignments in the Procmail configuration file that is only processed if some conditions match. They can be used to create quite complex sets of actions, almost like a programming language. The Procmail Mail Filter module allows you to create and edit conditional blocks, but displays their contents as just configuration file text rather than parsing the actions that they contain. This means that you have to be familiar with the Procmail file format to use them.

To create an conditional block, follow these steps:

1.	Click on Add a new conditional block below the list of actions on the module's main page.
2.	In the Procmail code to execute text box, ...