[user234683]

Here's an additional problem with using your own domain: some websites (Discord for example) require you to contact support using the email tied to your account. Many corporate systems will reject emails from "untrusted" domains, so you won't be able to contact them.

[Spivak]

> Many corporate systems will reject emails from "untrusted" domains

And by untrusted you mean everyone's work email that uses a bespoke domain?

[pseudalopex]

Probably they meant everyone not sending through a company too big to ignore. See any discussion of self hosting email.

[phendrenad2]

> Many corporate systems will reject emails from "untrusted" domains

Source? In my experience as long as you follow basic email authentication protocols (DMARC...) you'll get through anything just fine.