I am a premium paying member of proton mail who uses a catch-all email domain.

I use many prefixes such as:
moving@address.com
apartment@address.com
work@address.com
personal@address.com
name@address.com
etc.

In order to send email from these addresses, I must have accounts for them. This is very annoying as I have to repeatedly create and delete these accounts in order to stay under the 15 account limit.

On my own domain, I should have unlimited addresses.

This would very helpful and would solve one of my biggest annoyances with proton.