Read messages were deleted for Feb.
I just noticed that all the February 2020 emails that I had read but left in my Inbox were missing. They were there a few days ago. I found them in the Trash folder, but I didn't move them there. All messages up through 1/31/2020 are untouched. What's going on? I just use Firefox and browse to the Comcast site, so I'm not using any local mail client. I'm on a MacBook Pro running 10.15.2.