Your issue might be related to a lower
Number of lines downloaded per email setting — you can increase that number at the following:—
- Settings >>----> General >>----> Checking Mail >>----> Spam Throttle >>----> Number of lines downloaded per email >>---->Save
I like to leave my slider at
300 — you may want to determine
your sweet spot (as per your internet connection speed and bandwidth.)
Ensure you restart MWP (or, at least clear the Inbox
grid) for the change to take effect.