I used mailinabox[1] for years before finally biting the bullet and switching everything over to a hosted email platform.

Hosting your own email servers sounds good, until:

- Gmail and MS fling your emails in junk, despite ranking 10/10 on mailtester.net

- You have to search for old emails through RoundCube's byzantine UI (and eventually giving up)

[1] https://mailinabox.email/