Murena.io recovery mail verification not sent

The problem

I'm trying to set up my recovery mail for murena.io , as I'm being prompted to do so. I clicked Resend Verification Email repeatedly, and the site says that it's been sent. However, I can't see the email anywhere. Yes, I checked my spam folder - it's empty, since I have spam filtering disabled. The email address is at the @disroot.org domain.

Steps to reproduce

1. Log into murena.io
2. Click my icon in the top right
3. Click Settings
4. Click Security
5. Click Resend Verification Email
6. Not receive said email

Technical details

Not much to put here. I'm on PC, using Firefox.