Email alternative

Pardon the interruption

Does the encrypting by Proton mail require the recipient to also have Proton?

Sent from my Nokia 7.2 using Tapatalk
 
Pardon the interruption

Does the encrypting by Proton mail require the recipient to also have Proton?

Sent from my Nokia 7.2 using Tapatalk

Proton to proton is end to end encrypted. Proton to others can optionally be end to end, otherwise it’s TLS encrypted similar to how gmail does it (I think this means it’s only encrypted in transit?)
 
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