Create a Filter from an Existing Message in Mozilla Thunderbird or Netscape
To create a filter from an existing message in Mozilla Thunderbird, Netscape or Mozilla:
- Open the message either in the preview pane or in its own window.
- Click on the sender's name or email address.
- In either case the thing to click is the highlighted text following From:.
- Select Create Filter from… (or Create Filter from Message...) from the menu.
- Select your desired action under Perform these actions (or Perform this action:).
- Click OK.
As an alternative to using the sender's context menu, you can select Message | Create Filter from Message... from the Mozilla Thunderbird, Netscape or Mozilla menu.

