How do I send encrypted email with ProtonMail?

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Tags

1. #message
2. #encrypted
3. #bottom
4. #encryption
5. #sending
6. #protonmail
7. #compose
8. #generic
9. #mailbox
10. #recipients
11. #providing
12. #button
13. #delivered
14. #enter
15. #unique
16. #password
17. #desired
18. #select