This was in the original comment: > Honest question: Is there any reason to not just blacklist all emails from TLDs that aren't the Big Four (.com, .net, .org,

This was in the original comment: > Honest question: Is there any reason to not just blacklist all emails from TLDs that aren't the Big Four (.com, .net, .org, .gov) and country TLDs (eg: .co.uk, .jp, etc.)?