What setup to use for my email on a custom domain?

Hello. I have a domain name with my real name in it that I use to send and receive emails from/to banks, government and other entities that know my real name anyway. I use Zoho Mail.

Currently, I have an alias for each entity that follows the format entity-1234@mydomain.com, where 1234 is a random number. The idea behind the random number is to make it so that a malicious actor can't figure out what websites I'm registered in by simply …

alias banks domain domain name email emails entities government hello mail name privacy send zoho