Voltage secure mail app

You're looking for a secure email app that offers voltage, which is a feature that helps protect your emails from being intercepted or accessed by unauthorized parties.

Here are some email apps that offer voltage-like features:

  1. ProtonMail: ProtonMail is a popular, open-source email service that offers end-to-end encryption and a built-in voltage feature. It's available for desktop and mobile devices.
  2. Tutanota: Tutanota is another secure email service that offers end-to-end encryption and a voltage-like feature called "Perfect Forward Secrecy." It's available for desktop and mobile devices.
  3. Signal: Signal is a messaging app that also offers email features. It uses end-to-end encryption and offers a voltage-like feature called "Perfect Forward Secrecy." It's available for desktop and mobile devices.
  4. Mailfence: Mailfence is a secure email service that offers end-to-end encryption and a voltage-like feature called "Perfect Forward Secrecy." It's available for desktop and mobile devices.
  5. StartMail: StartMail is a secure email service that offers end-to-end encryption and a voltage-like feature called "Perfect Forward Secrecy." It's available for desktop and mobile devices.

When choosing a secure email app, look for the following features:

  1. End-to-end encryption: This ensures that only the sender and intended recipient can read the email content.
  2. Perfect Forward Secrecy: This ensures that even if the encryption key is compromised, the email content remains secure.
  3. Two-factor authentication: This adds an extra layer of security to prevent unauthorized access to your email account.
  4. Zero-knowledge policy: This means that the email service doesn't store or access your email content, ensuring that your data remains private.

Remember to always verify the security features and policies of any email app before using it to send sensitive information.