Using your own domain is smart because you presumably can keep the same email address forever and you are flexible (if a service provider fails, you can switch

Using your own domain is smart because you presumably can keep the same email address forever and you are flexible (if a service provider fails, you can switch and be back up and running in less than an hour). On the other hand, commercial providers die all the time, so if you build a brand/reputation associated with the identifier name@company.com and company dies, your brand/reputation associated with that email also dies. A person using their own name also shows they have the skills to run their own website (or at least navigate through documentation enough to set up a domain name through a third-party). Using another person's name is okay if it's an employer or you are being paid to use another person's name. Otherwise it's weird/sketchy (are you that person's lackey or are you stealing an identification or committing trickery?).