Don't go with namecheap, the biggest hive of scammers and spammers on the planet. Move your private domain to a reputable provider, like Fastmail.
I've had my main personal domain with them for a decade and never had a problem.
I've had my main personal domain with them for a decade and never had a problem.
After 2 occurrences of my mail goes into spam folder, I became paranoid and always BCC my gmail account for every important email.
In the end I say "what the hell" and subscribed to O365. Google Workspace is too expensive for me.