Email with end-to-end encryption (2026): 6 compared

Email services from our ranking with built-in end-to-end encryption: messages are encrypted on your device and the provider cannot read them. Listed in Score order with the key facts.

Best Email Providers 2026: Private & Secure Ranking

  1. 1

    Proton Mail

    80/100
    Built-in end-to-end encryption
    Yes
    Cheapest paid plan per month (monthly billing)
    $4.99
    Free plan
    Yes
    Your own domain
    Yes
    • End-to-end encryption is built in
    • You can use your own domain ([email protected])
    • Security checked by an independent audit or certification
    • Free plan available
  2. 2

    mailbox.org

    70/100
    Built-in end-to-end encryption
    Yes
    Cheapest paid plan per month (monthly billing)
    $4.49
    Free plan
    No
    Your own domain
    Yes
    • End-to-end encryption is built in
    • You can use your own domain ([email protected])
    • Security checked by an independent audit or certification
    • Works with standard mail apps via IMAP/SMTP
  3. 3

    Zoho Mail

    69/100
    Built-in end-to-end encryption
    Yes
    Cheapest paid plan per month (monthly billing)
    Not verified
    Free plan
    Yes
    Your own domain
    Yes
    • End-to-end encryption is built in
    • You can use your own domain ([email protected])
    • Security checked by an independent audit or certification
    • Free plan available
  4. 4

    Tuta (Tutanota)

    61/100
    Built-in end-to-end encryption
    Yes
    Cheapest paid plan per month (monthly billing)
    Not verified
    Free plan
    Yes
    Your own domain
    Yes
    • End-to-end encryption is built in
    • You can use your own domain ([email protected])
    • Free plan available
    • Aliases and extra addresses to hide your main one
  5. 5

    Mailfence

    57/100
    Built-in end-to-end encryption
    Yes
    Cheapest paid plan per month (monthly billing)
    Not verified
    Free plan
    Yes
    Your own domain
    Yes
    • End-to-end encryption is built in
    • You can use your own domain ([email protected])
    • Free plan available
    • Works with standard mail apps via IMAP/SMTP
  6. 7

    StartMail

    49/100
    Built-in end-to-end encryption
    Yes
    Cheapest paid plan per month (monthly billing)
    Not verified
    Free plan
    No
    Your own domain
    Yes
    • End-to-end encryption is built in
    • You can use your own domain ([email protected])
    • Works with standard mail apps via IMAP/SMTP
    • Aliases and extra addresses to hide your main one