After using and hosting Gitlab for years and having to move over to GitHub enterprise for my new role… Holy shit does GitHub suck. It’s organization and projects are trash and GitHub Actions barely scratches the surface of what was easy in Gitlab. I don’t know how it got so big with such a terrible UI and limited feature set.
Seriously no nested orgs, shared CI/CD variables, or a kanban board that makes sense (new projects is so much worse than legacy). I hate Github
You’re going to have to use an external service for email perhaps connected to something like Postfix or just using the email provider’s API - something else to think of if you just need something on your phone as a message / reminder is to use KDE Connect like in this tutorial https://doronbehar.com/articles/using-kdeconnect-to-comfortably-send-sms-messages-from-the-shell/