How do we know those sites are any good or "anti-surveillance"? RiseUp has been around for ages and is trustworthy. Email with Tor links are a little bit more t

How do we know those sites are any good or "anti-surveillance"? RiseUp has been around for ages and is trustworthy. Email with Tor links are a little bit more trustworthy, but what's wrong with using Protonmail or Tuta through Tor? https://www.privacyguides.org/en/email/ https://www.privacyguides.org/en/email/