Okay, this is working now. Users now have an option on their profile page in the badges table:
and the email that is sent out is fully customizable via the admin page:
It seems to work okay for me, please let me know if you have any problems with it.
Welcome to the Q&A site for Question2Answer.
If you have a question about Q2A, please ask in English.
To report a bug, please create a new issue on Github or ask a question here with the bug tag.
If you just want to try Q2A, please use the demo site.
May 7, 2020: Q2A 1.8.4 released!