Very useful! Thank you Rated 5 out of 5 stars

It extension permit me to clean my big email account, just point the sender, click with the rigth mouse button and choose Search for this sender (of for this subject). Now the filter is active and I can cancel/move my selected message. Very fast.
I agree with another comment that the further step is add Search the same recipient.

This review is for a previous version of the add-on (1.2).