Differences:1. Message filters occur earlier in the email pipeline than content filters. Message filters before the email goes into the workqueue. The content filters occur inside the workqueue.2. Message filters are currently only administered f...

Don't forget the parenthesis when you're putting trying to match against multiple patterns. This is applicable to both message filters and content filters.For example, this condition belowif (attachment-filename == ".exe|.hlp|.msi|.scr|.wsf|.wsh$") ...