I just tested this, group email actually works.
Reset the password email issue
The email received is in this format:http://bbs.xiaoz.me:4567/reset/9b9d6d90-26ee-4d15-a8d4-ebf20a290782 ，
Could you please remove the port of 4567?
That link is generated using the value of
urlin your config.json file. Change the url and remove the 4567 and set up nginx to reverse proxy.