you should see a "select all" box. click it to select all of them, and then click "delete"
Message: Select all?
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On the bottom of the list there's a button that says Select All| Deselect All.
Unfortunately, "select all" only works by page.
yep
I have like more than 11 pages...not bothering to delete them for some reason...
Is there are way i could select all my messages and delete them at once instead of having to click every box