Setting up Outlook Express to filter mail using the header information added by the SpamAssassin service involves using the program's 'Rules Wizard' to create a filter which selects messages based on the contents of the message body added by the SpamAssassin service, then moves the messages to a special folder. This folder can be created using the Wizard, and does not need to have been created in advance.

• Select Mail from Outlook Express' Tools --> Message Rules menu
• If you don't have any existing rules a new rule will start automatically, otherwise under the Mail tab, click on the New button.

• Under Select the Conditions for your rule scroll down to Where the message body contains specific words and tick its checkbox.
• Click on contains specific words under Rule description (bottom half of window) to open a window to enter the search text.

• In the field labeled Type specific words or a phrase enter

Spam detection

It is important that you type this phrase exactly.

• Click Add.
• Then click OK on the Type Specific Words window

• Back under Select the Conditions for your rule tick the checkbox next to Where the message has an attachment.

• Under Select the Actions for your rule, tick the checkbox next to Move it to the specified folder.

• Click on specified folder under Rule description (bottom half of window) to open a window to specify the folder spam mail should be moved to.
• Select either an existing folder or click New Folder to create a new folder. Type in a name such as Spam, and press OK.

• Under Name of the rule rename it to Spam Filter and press OK

• Click OK at the bottom of Message Rules to apply your new spam filter.