# Switch to Protonmail Reason #21: Send password-protected encrypted mail to someone outside Proton Ordinary email to another provider may be readable by that provider. 2026-09-07 :: Switchboard Tech Services ![Switch to Protonmail Reason #21: Send password-protected encrypted mail to someone outside Proton](https://switchboardtechservices.com/static/images/defaults/guides.webp) ## Why this matters Ordinary email to another provider may be readable by that provider. Sensitive content deserves a stronger route. Privacy is easier to defend before this information is collected than after it has spread. ## The protection Proton can send a password-protected message that the outside recipient opens through an encrypted portal. ## Take action Use external encryption for sensitive mail and share the password through a different secure channel. Re-enable it for each reply you send. Email protection depends on the route and settings. Ordinary mail involving outside providers is not automatically end-to-end encrypted, and email metadata is not universally hidden. ## Sources [Proton password-protected emails](https://proton.me/support/password-protected-emails). - Categories: [Proton Mail](https://switchboardtechservices.com/guides/categories/proton-mail/) - Tags: [#Digital Self-Defense](https://switchboardtechservices.com/guides/tags/digital-self-defense/), [#Proton Mail](https://switchboardtechservices.com/guides/tags/proton-mail/), [#Email Privacy](https://switchboardtechservices.com/guides/tags/email-privacy/), [#Encrypted Email](https://switchboardtechservices.com/guides/tags/encrypted-email/) [Guides RSS](https://switchboardtechservices.com/feeds/guides.xml "Subscribe using an RSS reader") --- Canonical URL: https://switchboardtechservices.com/guides/switch-to-protonmail-reason-21/ Language: en-us Content type: guide Author: Switchboard Tech Services Published: 2026-09-07T16:25:53+00:00 Description: Why send password-protected encrypted mail to someone outside Proton matters for privacy and security.