Still can't register.
I did also try import my opensubtitles.org account but got the same error.
I tested different navigators, email, ip, but nothing worked for me.
I still want to give this a try.

Hi. I'm trying to get an api key to make some tests. Got a 503 registering on opensubtitles.com and resend confirmation email is also failing. (https://www.opensubtitles.com/fr/users/confirmation/new) Error 503 Backend fetch failed Backend fetch failed Guru Meditation: XID: ... Varnish cache server