Hi! Please remove ProtonMail domains from your list. Yes, they provide anonymous registration, but outlook (from Microsoft evil corp) provides anonymous registration too! Here is a proof: vid.mp4 Y...
Ironically, when I tried setting a ProtonMail account recovery email address, they rejected it because it was on a list like this one. I hope Proton gets off this blacklist, but I also think they should practice what they preach.
A lot of sites are willing to have something that's good enough, rather than perfect, so if they find that using a list like this solves the majority of their abuse/deliverability issues, it's unfortunately pretty logical they'd use it for that.