Change your password, Security Question & Answer, and check any email settings like filters. I see a few of the users under your account have been processed for compromise and its possible someone may have logged into your account as well and made the changes you are seeing.
You can also reach Customer Security Assurance for further assistance at 888-565-4329.
Where are you checking for the filters? The server shows that there is 1 filter rule active on xfinity.com.