> Use UNSUPPORTED subtitle format instead of one of the other 10 supported ones

> Fast forward some time

> YT disables and removes the UNSUPPORTED format

>

Not sure what this sentence means, but feel free to use pigeons instead.

When you’re getting notifications/newsletters from legitimate platforms like e.g. Amazon or GitHub it’s smarter to unsubscribe from these specific mails. Otherwise you will be screwed when some important mail somehow ends up in the spam folder.

but I’m absolutely drowning in unread emails, around 4,000

WTF are you doing with your e-mail address that you get these amounts of mails. These are more mails than I got in the last decade.

At first maybe try to unsubscribe whatever you subscribed and stop putting your address into random services. Use a temporary mail for stuff like that.

Also mail filters can help with sorting mails from certain senders into folders. Bascially every provider has them and if not programs like Thunderbird have these built in on the client side.

Most are those annoying notifications like “Your security code is xxx,” “Your parcel has shipped,” and requests to rate my experience.

Uhm simply delete them when you e.g. inputted the code or got your parcel? Or change the settings that you no longer get them?

So, I’m on the hunt for an email provider that has solid SPAM filters…

Under your circumstances no provider in the world can do that, because nobody can determine if your “Your security code is xxx” mail is spam or legitimate… YOU have to determike that for yourself.