The error was because of a wrong security option in the settings and the speed of sendmail increased by itself. Probably there was a problem on the shared server during my first test.
Keep up the great work! 🙇 NodeBB is really great!
So, on a fresh install of version 1.1.0 when clicking on the upvote/downvote buttons I get this:
I've also tried on the weekly builds with the same result. Any ideas what might be causing this?
@pichalite Thank you!