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Secure Email Services to Enhance Your Online Security

Using secure email services is the best solution to enhance your online security while communicating through email. It is the best way to keep your emails and conversations private. Along with providing guaranteed secure and encrypted email, secure email services also protect anonymity. You can’t simply have much online privacy in today’s Internet of big corporations, and “14 eyes”. You don’t need to be a criminal to get people to spy on your emails but to have a guarantee that no one can spy on your email conversations, you will need to use secure email services with your privacy as its main concern.

P.S. If you don’t know about the “14 eyes”, then do your research perfectly.

Most of the free email services like Gmail, Yahoo mail and Hotmail are just fine for a regular user, but if you need to be confident that the email messages that you send and receive are totally and completely protected, check out these best secure email services providers.

List of best secure email services provider of all time

1. ProtonMail

ProtonMail is the best email service provider and top in our list of secure email services. It is an open source, encrypted email service provider based in Switzerland. It has great features to maintain privacy and anonymity online.

secure email services providers

The best feature of ProtonMail is that you can send end-to-end encrypted email using any password. Nobody can decrypt your encrypted ProtonMail email without your password, not even the ProtonMail itself, your ISP, or any governmental organization. ProtonMail provides high-security services that even ProtonMail can’t recover your emails if you forget your password. ProtonMail has four plans to choose from:

  • Free: Basic account with limited features
    500MB storage space
    150 emails per day
    Limited support
  • Plus: Secure email with advanced features
    5GB storage space
    1000 emails per day
    Labels, folders, and custom filters
    Send encrypted emails to non-ProtonMail users
    Use your own domain
    5 email aliases
    Priority support
  • Visionary: the special account
    20GB storage space
    No email limits
    Up to 10 domains
    Multi-user support
    Send the encrypted emails to non-ProtonMail users
    Free access to ProtonVPN
  • Business: Encrypted email for the organization


  • High Security – Two-factor Authentication
  • Password Protected and Encrypted Emails
  • You can import contacts as CSV


  • Can’t change default email signature on the Free account
  • Does not support SMTP, POP3, or IMAP

2. Tutanota

Tutanota is too similar to ProtonMail in its security level and user interface. All Tutanota emails are end-to-end encrypted, from sender to receiver and decrypt right on the device. The private encryption key of Tutanota is not visible to anyone else.

secure email services providers

It is completely an open source and free email service that offers secure and confidential email services to its users. It offers end-to-end encrypted emails with the ability to allow non-Tutanota users to securely reply to encrypted emails. Once the recipient receives the encrypted email, they will not be able to view the contents of email including subject, attachments, and message unless they have the password for decryption. You can also use Tutanota to send emails without encrypting them but that defeats the purpose of using Tutanota.

Tutanota’s user interface is easy to understand and use. It used AES and RSA algorithms for email encryption. Its servers are located in Germany that means German rules and regulations apply.

Additional Features: Custom folders can be made to easily manage emails. File attachments are also supported, and passwords are hashed and salted with bcrypt.


  • Android and iOS apps available
  • Offers 1GB storage space
  • Advanced spam filtering
  • Open source


  • Only supports plain text emails
  • Cannot import contacts
  • Email aliases and rules are only available in paid accounts
  • Does not support IMA
  • Impossible to search through past emails




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