Use your surname with a personal domain. Then you can link up other family members to it. Eg. dave@cammeron.me . Otherwise you’ve got to have an email address dave@davecammeron.me which looks stupid.

Use your organisation as your work email. boris@megacorp.com, boris.bloke@megacorp.com bb@megacoro.com ceo@megacorp.com

You then separate the work and personal emails. Sending personal emails through a corporate server using the corporate domain is fair game to use in a court, you’re ostensibly representing the company and it’s not a personal email.

There are various hilarious stories about people losing rights to their name etc post internet era when their company was purchased.

Don’t try to run a mail server yourself, that became counter productive about the 2010s. I used to run servers easily last century when there was almost no-one sending email, then the sp-/sc-ammers ‘entered the room’.

Accidentally clicking on a wrong email on a unsecure environment can ruin your day if you’re tired and just keep clicking mindlessly.

Good luck. Especially if you have a popular surname that your family doesn’t own.