[Mailman-Users] Using spam filters on subject line

[Bob McLeran]

Using Mailman 2.1.9 as a list administrator.

Trying to block posts with string "test" in the subject line but would 
like to automatically approve certain subjects with the same string, 
such as "testing engine components" - is this possible under either 
"Header Filter Rules" or "Bounce Matching Headers" in the Privacy 
Options/Spam Filters section?

Bob