Accidentally unsubscribed to EA in gmail

So funnily enough my brother had this exact same issue and we finally got it solved yesterday but he had his in Outlook not Gmail. Here's Google's own support page on how to unblock a domain/sender. 

The important part:

1. On your computer, open Gmail.
2. Open the message from the sender.
3. At the top right, click More.
4. Click Block "{sender}" or Unblock "{sender}."

Should take just a couple minutes and once you do the verification codes should pop back through.

yeah... so I deleted every single email to clear space on my laptop so I can't get back to the email. this is catastrophe. thank you though

There would still be a setting to actually unblock the sender outright. I can't find that much myself right now but it'd be in there. 

I searched high and low in gmail settings and spent like two hours googling, apparently that’s not a thing with gmail. I’ve heard other people complain about it, I can find blocked email addresses but not unsubscribed