Sure there are a few others. What I’m mainly getting at is that you can’t run an email server in your house the same way you can run a lemmy instance and expect those emails to get delivered. You are forced to use someone else’s email service as a backend or google will flag your emails as spam.

This used to be true. However in the internet of today, if your email doesn’t come from a Microsoft or a google it will get rejected if the recipient is a Microsoft or google email address. They have taken over.

OP did you write the blog post or are you reposting? I’m mostly asking because I’d like to get your opinion on this book:

https://selfhostbook.com/

The only note taking app you’ll ever need, again.