> This also means that somebody else is also getting mail directed to me. By what mechanism do you think that's happening? There is no account with same userna

> This also means that somebody else is also getting mail directed to me. By what mechanism do you think that's happening? There is no account with same username as yours, except with a dot, and never has been. Guaranteed. So just how would your emails be going to somebody else? It seems like your mental model of how this is working has to be incorrect to have that fear.