Try clearing your cache and updating your web browser. Try a different browser.
Call the police. Get a lawyer. Get a new phone and phone number. Do not sync it with any of your existing computers. Get a new laptop....
Fastmail is good for hosting custom email domains.
Is your web browser up to date? Sometimes clearing your cache can help too.
Which app are you using? Are notifications turned on in your settings?
Separate names with a comma.