Create a rule to run on Sent folder

Create a rule to run on Sent folder

Is it possible to create a rule for sent items?
The reason I ask is that I have a couple of webcams at home that email me at work whenever they sense movement. I'd like to create a rule that checks the sent items and deletes these emails as they can run into hundreds a day (I have two cats)
I currently have to select 25 at a time and manually delete them.

Thanks