From f3655c500cc1309d8370e7d355a036007c77bbea Mon Sep 17 00:00:00 2001 From: Jonathan Cross Date: Thu, 26 Mar 2020 18:43:27 +0100 Subject: [PATCH] README: Add info about sending user-encrypted email --- README.md | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/README.md b/README.md index 6212c59..da998ba 100644 --- a/README.md +++ b/README.md @@ -25,6 +25,14 @@ and `git-send-email` with ProtonMail. | | | | | | +-----------------+ +-------------+ +--------------+ +#### Can this be used to send email encrypted with a key that is unknown to ProtonMail? + +No, ProtonMail doesn't allow encryption via your own keys in Enigmail / Gnupg client. Just like in ProtonMail's Bridge app, you will get an error when trying to send email that has already been encrypted with a PGP key they don't recognize: + +> 554 5.0.0 Error: transaction failed, blame it on the weather: cannot upload attachment: [11101] Invalid input. Please check the message and try again. + +If you [provide ProtonMail with the private key](https://protonmail.com/support/knowledge-base/pgp-key-management/) through your account (not recommended), it may work, however this has not been tested. + ## Setup ### Go