Proton Mail has integrated OpenPGP encryption in their webmail. Contact fields that support zero-access encryption, such as phone numbers, are indicated with a padlock icon. Data secured with zero-access encryption is only accessible by you.Ĭertain information stored in Proton Contacts, such as display names and email addresses, are not secured with zero-access encryption. Proton Mail has zero-access encryption at rest for your emails and calendars. The use of a hardware security key requires setting up TOTP two factor authentication first. Proton Mail supports TOTP two factor authentication and hardware security keys using FIDO2 or U2F standards. Proton Mail accepts cash by mail in addition to standard credit/debit card, Bitcoin, and PayPal payments.

Proton Mail also supports subaddressing, which is useful for people who don't want to purchase a domain. Paid Proton Mail subscribers can use their own domain with the service or a catch-all address. This can be disabled in: Settings > Go to Settings > Account > Security and privacy > Send crash reports. Proton Mail has internal crash reports that they do not share with third parties. If you have the Proton Unlimited, Business, or Visionary Plan, you also get SimpleLogin Premium for free. A letter of attestation was provided for Proton Mail's apps on 9th November 2021 by Securitum. Paid accounts include features like Proton Mail Bridge, additional storage, and custom domain support. Accounts start with 500 MB storage with their free plan.įree accounts have some limitations, such as not being able to search body text and not having access to Proton Mail Bridge, which is required to use a recommended desktop email client (e.g.

Proton AG is based in Genève, Switzerland. Proton Mail is an email service with a focus on privacy, encryption, security, and ease of use.

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