rusty

Well, because you sign up to a mailing list it won't reject your email if that is your concern. But besides that, you could fork the project to github and then email the list asking for a review of your branch.

Realistically any substantial PR would need to be reviewed locally anyway. Just viewing a diff online is not enough

Investing in a process to submit patches via email will allow you to use more than just Source Hut

I'm not sure email is dead. The pull request model is more popular but it's not by any means perfect. For a start I have to signup to every forge I want to submit a change to