I use a catch all address and it works great. One of these addresses now gets hit by a ridiculous amount of spam. Right now I just set up a filter which immediately deletes all mail sent to that specific address and this works fine. Nevertheless every email needs to be processed by the server and the sender sees the mail as delivered and will thus continue sending mails.
My question: Is there a possibility to exclude one or more addresses from the catch all? As in: MIAB answers “this email address does not exist”?