Apple seems to have fixed a macOS Catalina bug, first reported in July, that caused snippets of encrypted emails sent via the Mail app to be stored unencrypted Jay Peters / The Verge : The Verge 2020-02-06 Jay Peters Apple, macOS Catalina, Jay Peters, Mail Related Coverage Apple Mail Encryption bug fixed. Bob Gendler Apple Mail Stores Encrypted Emails in Plain Text Database, fix included! Bob Gendler Apple Patches macOS Catalina Bug Which Exposed Some Encrypted Email Text iPhone in Canada Blog Apple confirms it fixed bug that stored parts of encrypted emails as readable text TechSpot