The 10 most secure email providers of 2021

Last updated: January 15, 2021
most secure email providers

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If you’re looking for an email provider that you can trust, finding the right service isn’t always easy. Plenty of companies claim to be secure email providers but actually have plenty of holes, letting hackers and phishers wreak havoc. However, there are also fantastic operators running some of the safest email accounts ever created. So to help you make a selection, we’ve put together our list of the 10 most secure email providers. Any one of these will keep your data safe, quarantine your contacts, and block snoopers.

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So if problems with your old provider have led you to ask what the most secure email option is – stick around. It’s time for a change. The most secure email providers on the market offer features that can keep you safe and ensure total privacy online. Let’s find out more!


ProtonMail - email provider

Many people’s preferred option for the most secure email system, ProtonMail is a slick Swiss company that focuses on absolute privacy. The location is important, as Switzerland is legendary for ensuring secrecy and privacy. So any data on ProtonMail will remain hidden from government surveillance.

Their free package comes with 500 MB of storage, which you can upgrade to 5-20 GB using the paid services. ProtonMail’s End-to-End encryption puts them among the safest email vendors, providing safety even when sending to users outside the ProtonMail service. Moreover, everything is anonymized, and no personal information has to be supplied when you sign up.

Buying the Visionary plan of ProtonMail (24 EUR/month) will also give you access to ProtonVPN – their super-secure VPN service. If you need both a secure email service and a VPN, this may be worth considering.


Tutanota - safe email service

Despite its exotic-sounding name, Tutanota hails from Germany, where it has earned an impressive reputation as one of the most secure email providers. All mail and attachments sent via Tutanota are automatically encrypted by Tutanota’s open-source webmail client. Also, no IP information is retained after sending. Basically, Tutanota goes all out for your email security.

It’s also very cheap, with Premium packages starting at around $1 per month. There’s a limited free option, as well as the Pro package, which includes a generous 10 GB of storage. The regular Premium option is just as secure but comes with just 1 GB.


fastmail - one of the best secure emails

A relative veteran of the secure email scene, FastMail offers a simple service for individual users. All sent and received messages are encrypted when possible, while TLS and SSL encryption are standard on the FastMail web client or app. They also offer “world-class” spam filtering and virus checking.

Basic packages come with 2 GB storage, Standard features 25 GB, while Professional offers 100 GB. All are competitively priced and come with zero ads or tracking. All-in-all, it’s a great option for solo email users.


HushMail - high security email service

One of the most famous secure email providers around, Hushmail has created easy to use web and desktop clients. Based in Canada, Hushmail’s tools encrypt outgoing messages, creating dedicated websites for recipients to use, while OpenPGP and SSL/TLS combine to keep any messages private.

They offer free and Premium packages, which come with 10 GB of secure storage. There’s a well-designed iPhone app as well, helping to protect your messages even when you’re on the move.

Zoho Mail

Zoho mail - safe email service

Generally oriented towards professional users, Zoho Mail seeks to offer an affordable set of communication tools for businesses who need reassurance and privacy. A great feature for businesses is the way their email clients work with the Zoho Workplace – a set of secure office apps.

But the real gem here is Zoho’s encryption and authentication, which puts it in the upper echelons of secure email providers. Standard packages come with 30 GB of storage, while Professional packages bundle in over 100 GB.


SCRYPTMail - most secure email provider

The only way SCRYPTMail could be more serious about security is if they had a global private mercenary force punishing hackers. It’s as they say – “privacy is a right, not a privilege.” Founded by a group of security obsessives in the USA, this email service offers top of the line encryption and can send encrypted messages to any web user.

Unlike some other services, SCRYPTMail also encrypts the metadata on its servers, putting another barrier between hackers (or government agencies) and user data. Storage limits are generous, and almost all of the services offered by SCRYPTmail are free, making it doubly attractive.


Posteo - one of the most secure email providers

If you’re asking yourself what the most secure email service around is, the German contender Posteo is surely going to appear near the top of the list. Based on open-source coding, Posteo is ad-free and totally secure. It is also deeply committed to sustainability, which makes it unique in the secure email world.

Expect strong encryption and two-factor authentication, and don’t expect any data collection or surveillance. If Posteo runs into issues with the government, they make a point of warning their users. The very cheap Basic package comes with 2 GB of storage, but for a small monthly fee, you can upgrade to 20 GB.


LuxSci - one of the safest email providers

If you’re looking for a business email solution and you’re based in North America, LuxSci could be just what you need. Based in Massachusetts, this company offers a suite of secure communications tools (not just email). Packages come with 1-50 GB storage.

There are individual accounts as well as corporate packages, but in reality, LuxSci’s services lean towards larger organizations. And they do a pretty good job at filtering emails and keeping staff data safe and sound.


CounterMail - one of the best safe emails

Going against the grain of commercial email companies, CounterMail is Sweden’s addition to the pack of high-security email providers. Uniquely, it uses a CD ROM-based system to store user data, minimizing the chance of hackers accessing emails. The company also follows a policy of total openness – a refreshing decision in the online security world.

There’s no free option with CounterMail, and prices are relatively high, as you might expect with the safest of email accounts. Storage maxes out at 2 GB with standard packages but can easily be expanded for a supplementary fee.


Mailfence - email with great privacy

Coming from Belgium, Mailfence is among the finest secure email providers in the world. Ensuring total freedom for users communicating with other email accounts, Mailfence uses OpenPGP to provide excellent encryption on all incoming and outgoing data and includes two-factor authentication to add another security layer.

The free package features 500 MB of storage, which increases with Entry and Pro packages, offering a maximum of 20 GB. Mailfence commits to blocking every single spam email and preventing any unwanted ads from appearing in your webmail inbox.

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  1. Cookie

    Attempted Proton today, 1) My Credit Card payment to them was declined and cancelled due to payment to Switzerland, got it fixed. 2) Import of Yahoo contacts only shows names with no email addresses. Has to be put in manually. Opened the CSV file in Excel and the email names were listed. 3) Names stored in contacts are by first name only. Attachments open well and email sent and received with no problem.

  2. Elizabeth Cunneff

    No mention of cost? Surely these aren’t all free.

    1. Nadin Bhatt Author

      Hello, Elizabeth. Thanks for pointing that out. We’ll add the prices in our next update. Have a nice day!

  3. 4yourinfo

    Protonmail asked for either a phone number, or other e-mail address when I attempted to sign up.
    No go for me. 11/23/20

  4. gurglin

    I forgot to mention Despite being a France-based provider, it seems to be one of the best around.

  5. Gurglin

    Hi Nadin,

    And thanks for the extensive list. I would like to add some other providers that are focussed on security and privacy:

    – Librem Mail ( ) but that is not free , although you need to get an invitation from them (and I did not get any…) (you need to get an invitation code from them, but that does not seem difficult). It is based in Iceland, which is great, in terms of security. However, the free account has many restrictions, while both web version and app are very buggy.

    – Disroot Email ( Based in the Netherlands, it has a difficult access system.

    Hope it helps

  6. JB Moon

    Why did DuckDuck Go get a D rating?

  7. ibnMuhammad

    Anyone serious about privacy should take a look at:

    By the way, although Fastmail claim to respect privacy, emails are not stored in encrypted form, so anyone of their staff could access it. And worst of all, their data centre is located in privacy-hostile USA, again, open to mass surveillance by the government. And since Fastmail is an Australian company, they are in the “Five Eyes” circle – they willingly comply with orders to hand over customer data and take part in “Privacy Shield” to hand over data to the American government without notifying individuals.

    I’m also unsure about Zoho, since it’s an Indian company, and as people are aware, the Indian gov has more recently become a supporter of fascism. See also #BoycottZoho hashtag for dirty info on their CEO.

    1. Jennifer

      Yes- wouldn’t you not want to stay away from email services based in the 5, 9 or 14 Eyes countries?

  8. Jim

    Cox email accounts are very vulnerable to hackers, who are able to change the passwords of the cox account holders. I guess that is why Cox is abandoning its email service as a product. How well are the passwords/pin numbers/security question answers protected in these 10 “top” email service companies?

  9. Nemo

    This is great, but a comparison table of features would be really helpful to discern between all of them.

  10. Carla Foster

    Thanks for the great analysis. I recently attended a presentation on “big tech” and email security and so I began looking for alternatives to gmail. (D rating on DuckDuck Go). I may be a retired, home user, but these days security is important to everyone. I’m pouring through the options here to select one; obviously the business related providers would not apply, but what a great resource! Thanks.

    1. Pilgrim

      D rating on DuckDuck Go … Does that mean they are bad??? I’ve liked them (ANY alternative to Google is a relief!) so far .. but if you have any better suggestions for non-Google-related servers like DDG, please – fire away and let me know! – Looking for safe, free, email too! – Thanks!

      1. Jarame

        I think he meant that Gmail got a D rating from DDG. Somebody can correct me if I’m wrong.

  11. Tom Ciruncle is closing operations.

  12. Ore B

    Nice article btw, I was using Gmail for decade+ and decided to switch to Mailfence last year. Nothing to complain about this guy. Their interface was a bit outdated but since last year but they have updated and it looks pretty cool and modern. Besides the email, they also offer some cool features like Calendar, Document, Group and even Chat.

  13. Joe B.

    Any reason(s) you did not include StartMail to your list ? ? ?

    1. Nadin Bhatt Author

      Hi there Joe,

      We’re constantly updating our articles to make sure we’re giving our readers the most up-to-date information. We’ll certainly look into StartMail and see if it fits the bill.

      Thanks for the recommendation!


  14. Turtle

    I’ve been thinking about switching from Yahoo since they keep failing at security, so this list is exactly what I needed! Thanks!

    1. Nadin Bhatt Author

      Yup, we definitely recommend choosing any of these alternatives on this list. Good luck!

  15. Flora Dunbar

    Healthcare providers must use security email services that I offer a business associate agreement. I know that Hushmail offers this option. Do any of the other top rated providers do so?

    1. Nadin Bhatt Author

      Hi there,

      Besides HushMail, LuxSci and ProtonMail are HIPAA compliant as well. Thanks for reading!


      1. Sofia

        LuxSci is based in North America…not sure I would trust it.

        1. Nadin Bhatt Author

          It’s a valid point, although perhaps somewhat overplayed.


  16. MonkeyJoe

    i believe neither Mailfence nor ProtonMail strips out email metadata(ip addresses, subject line, sender info)

    1. Eileen

      ProtonMail removes the IP address from all outgoing mail.

      1. Sofia

        What about other porviders? Do they remove IP address from outgoing mail?
        Thank you.

  17. l33ch

    Tutanota seems to be doing well recently. But, Customers seem to find Protonmail to be more user friendly.

    Hushmail is also very good and secure. But, It has gone paid only now.

    1. aaa

      Protonmail got money from Swiss government and US company

  18. Edi

    I have experienced most of these service providers, however Mailfence is the top service. I’ve been using it for past years and am quite satisfied with it. Compared to the other mentioned services, apart from secure email, Mailfence has calendars and docs. Highly recommended…

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