6 Most Secure Email Service Providers in 2023

In this fast-paced digital age, it’s crucial to keep your sensitive information safe and sound. That’s why we’ve compiled a list of the 6most secure email service providers in 2023, because your privacy matters! These services go the extra mile to protect your data from prying eyes and ensure that your confidential messages stay confidential.
So, if you’re ready to take your email security to the next level, stick around as we dive into the world of top-notch email protection. Get ready to bid farewell to those sleepless nights and say hello to peace of mind.

1: ProtonMail

EncryptionEnd-to-end encryption
Two-Factor AuthYes
Open SourcePartially open source
Storage5 GB (free) to 20 GB (paid plans)
Custom DomainAvailable in paid plans
Advanced SecuritySecure key management, zero-access encryption
Mobile AppsiOS and Android

As someone who values privacy, finding a secure email service provider has always been a top priority for me. After extensive research and personal experience, I can confidently say that ProtonMail is a game-changer in the realm of email security.

One of the standout features of ProtonMail is its robust end-to-end encryption. This means that only the intended recipient can decrypt and read your emails, ensuring that your sensitive information remains confidential. It’s like having a virtual vault for your messages, protecting them from prying eyes and potential cyber threats.

Another aspect that sets ProtonMail apart is its commitment to user authentication through two-factor authentication. This extra layer of security provides peace of mind, knowing that even if someone gains access to your password, they won’t be able to log in without the second verification step.

ProtonMail also strikes a balance between security and usability. While it offers advanced security features like secure key management and zero-access encryption, it doesn’t compromise on user-friendliness. The interface is clean, intuitive, and easy to navigate, making it suitable for both tech-savvy individuals and those new to encrypted email services.

In terms of storage, ProtonMail provides a generous 5 GB of storage for free users and even more storage options for their paid plans. Additionally, if you want to establish a professional online presence, you can opt for their paid plans that offer the ability to use a custom domain.

Now, let’s take a look at the pros and cons of ProtonMail:


  • Robust end-to-end encryption for enhanced privacy.
  • Two-factor authentication for added security.
  • Clean and user-friendly interface.
  • Ample storage options for both free and paid users.
  • Custom domain support for a professional email experience.


  • Advanced features and additional storage options are only available with paid plans.
  • Partially open source, which may not satisfy those seeking complete transparency.

All in all, my personal experience with ProtonMail has been nothing short of exceptional. It combines top-notch security measures with a user-friendly interface, making it an ideal choice for individuals who prioritize their online privacy. With ProtonMail, you can confidently communicate, knowing that your emails are shielded from prying eyes.

2: Tutanota

Encryption TypeEnd-to-End
Storage Capacity1 GB (free)
PricingFree, Premium Plans Available
Two-Factor AuthenticationYes
Custom DomainYes
User InterfaceUser-Friendly
Mobile App SupportAndroid, iOS
SupportEmail, FAQ

When it comes to privacy-focused email services, Tutanota is a name that frequently pops up in conversations. As someone who values online privacy, I decided to give it a try, and boy, was I impressed!

One of the standout features of Tutanota is its end-to-end encryption, ensuring that my emails are secure and can only be accessed by the intended recipients. This level of encryption provides peace of mind, knowing that my private conversations and sensitive information are protected.

The user interface is clean and intuitive, making it easy for anyone, even those unfamiliar with encrypted email services, to navigate and use Tutanota. I appreciated the minimalist design, as it focused on functionality without overwhelming me with unnecessary features.

In terms of storage capacity, the free version offers a generous 1 GB, which is ample for personal use. For those who require more storage, Tutanota offers premium plans with increased capacity and additional features at affordable prices. It’s great to have the flexibility to choose a plan that suits my needs.

Tutanota supports cross-platform usage, allowing me to access my emails seamlessly across various devices, be it my laptop, smartphone, or tablet. The mobile apps for both Android and iOS are well-designed and provide a consistent experience.

To further enhance security, Tutanota offers two-factor authentication, adding an extra layer of protection to my account. This feature gives me confidence that even if someone manages to obtain my password, they still won’t be able to access my emails without the second authentication factor.

I also appreciate that Tutanota allows users to have their custom domain, giving a professional touch to email communications. This feature is particularly useful for individuals and businesses looking to establish a strong online presence while maintaining privacy.

While Tutanota has many positives, there are a few areas where it could improve. The free version’s 1 GB storage capacity might be limiting for those who frequently receive large attachments or have extensive email archives. Additionally, while Tutanota’s support team is responsive, the lack of live chat or phone support can be a downside for users who prefer immediate assistance.

In summary, Tutanota is an excellent choice for anyone concerned about their online privacy. With its robust end-to-end encryption, user-friendly interface, and cross-platform support, it ticks all the right boxes. Whether you’re an individual looking to protect personal conversations or a business aiming to safeguard sensitive information, Tutanota delivers on its promise of secure email.


  • Strong end-to-end encryption for secure communication
  • User-friendly interface for easy navigation
  • Cross-platform support for seamless email access
  • Two-factor authentication for added account security
  • Option to use a custom domain for a professional touch


  • The free version’s 1 GB storage capacity may be limiting for some users
  • Lack of live chat or phone support for immediate assistance

Overall, Tutanota is a reliable and privacy-oriented email service that I highly recommend. Give it a try, and experience the peace of mind that comes with secure and private email communication.

3: CounterMail

EncryptionOpenPGP end-to-end encryption
AnonymousNo personal information required
Storage1 GB (expandable)
Custom DomainAvailable
Tor SupportYes
Two-Factor AuthenticationYes
Security FeaturesDiskless servers, USB-key login
PriceStarts at $29 for six months

As someone who values online privacy, I was thrilled to find CounterMail. It offers robust OpenPGP end-to-end encryption, ensuring that my emails remain secure and private. I appreciate how CounterMail doesn’t require any personal information during the signup process, allowing me to maintain my anonymity.

One of the standout features of CounterMail is its focus on security. The service employs diskless servers, which means no data is stored on the server’s hard drives. Additionally, the option to log in using a USB key provides an extra layer of protection against unauthorized access.

CounterMail’s storage capacity of 1 GB may seem limited compared to other providers, but it’s expandable, allowing you to increase it as per your needs. Plus, the availability of custom domain support adds a professional touch to your email communications.

Another aspect that impressed me was CounterMail’s commitment to user anonymity. With support from Tor, I can access my emails securely and privately, further enhancing my online privacy.

In terms of user experience, the CounterMail interface is clean and intuitive. It’s easy to navigate and offers essential features without overwhelming the user with unnecessary clutter. The service also provides two-factor authentication, ensuring that only authorized individuals can access your account.


  • OpenPGP end-to-end encryption for secure communication.
  • No personal information is required during signup, maintaining anonymity.
  • Diskless servers and USB-key login provide top-notch security.
  • Expandable storage and custom domain support.
  • Tor support for enhanced online privacy.
  • Clean and user-friendly interface.
  • Two-factor authentication for added account security.


  • Limited storage capacity (1 GB), although it is expandable.
  • Higher price compared to some other email services.
  • Lack of some advanced features offered by competing providers.

Conclusion: All in all, CounterMail is a remarkable email service that prioritizes your online privacy and security. With its strong encryption, anonymous signup process, and additional security features, you can trust CounterMail to keep your communications private and protected. While the storage capacity might be limited and the price slightly higher, the service’s commitment to privacy makes it a worthy investment. If you’re serious about safeguarding your digital communications, CounterMail is worth considering.

4: Hushmail

EncryptionEnd-to-end encryption for secure communication
PrivacyNo ads, no tracking, and no data mining
Two-Step VerificationEnhanced security with an additional layer of authentication
User InterfaceClean and intuitive design for easy navigation
Mobile SupportAccessible on iOS and Android devices
Storage CapacityGenerous storage space for your emails and attachments
IntegrationCompatibility with major email clients and platforms

One of the most crucial aspects of Hushmail is its robust encryption. It offers end-to-end encryption for all your communications, which means your emails are encoded in a way that only the intended recipient can decrypt them. This level of security ensures that your messages stay confidential and protected from prying eyes.

Hushmail takes privacy seriously. Unlike other email providers that bombard you with ads or mine your data to fuel targeted marketing campaigns, Hushmail is refreshingly ad-free and does not track your activities. Your personal information remains just that—personal.

To further strengthen the security of your account, Hushmail provides two-step verification. This feature adds an extra layer of protection by requiring you to enter a unique code sent to your mobile device when logging in. It’s a simple yet effective way to prevent unauthorized access.

One thing I appreciate about Hushmail is its user interface. The design is clean, intuitive, and easy to navigate. Whether you’re a tech-savvy individual or someone who prefers simplicity, you’ll find it a breeze to use.

With Hushmail, you can stay connected on the go. The service is accessible on both iOS and Android devices, allowing you to manage your emails effortlessly from your smartphone or tablet. This mobile support has been a game-changer for me, as I can now respond to important messages even when I’m away from my computer.

Hushmail provides generous storage space for your emails and attachments, ensuring that you never have to worry about reaching your limits. Whether you receive large files or have an extensive email archive, you’ll have plenty of room to store everything securely.

Hushmail seamlessly integrates with major email clients and platforms, making it easy to incorporate into your existing workflow. Whether you prefer using desktop clients like Outlook or web-based interfaces like Gmail, Hushmail offers compatibility and convenience.


  • Strong end-to-end encryption for secure communication
  • No ads or data tracking, ensuring your privacy is protected
  • Two-step verification adds an extra layer of account security
  • User-friendly interface for easy navigation
  • Mobile support allows access on the go
  • Ample storage capacity for emails and attachments
  • Seamless integration with major email clients and platforms


  • The free version lacks some advanced features available in paid plans
  • Customer support response times can be slow at times

In conclusion, my experience with Hushmail has been nothing short of fantastic. Its emphasis on privacy and security, along with a user-friendly interface and mobile support, make it a top choice for individuals who value online privacy. While the free version may have some limitations, the paid plans offer additional advanced features and storage capacity. If you’re seeking a secure email service that puts your privacy first, I highly recommend giving Hushmail a try. It has become my go-to platform for confidential communication, and I’m confident it will exceed your expectations too.

5: Runbox

TypeEmail service provider
Storage Capacity25 GB (expandable with additional plans)
EncryptionEnd-to-end encryption and secure protocols
Spam FilteringAdvanced spam filtering and virus protection
Custom DomainsSupport for custom domain email addresses
Mobile AppAvailable for iOS and Android
CalendarIntegrated calendar for scheduling and events
ContactsAddress book for managing contacts
Attachment SizeUp to 100 MB per file
PriceSubscription-based plans start at $4.95 per month

Today, I want to share my personal experience and thoughts about Runbox, an email service provider that has truly impressed me. I’ve been using Runbox for a while now, and it has become my go-to platform for managing all my email communication needs.

First things first, let’s talk about the features. Runbox offers a generous storage capacity of 25 GB, which is more than enough for my emails, attachments, and files. And the best part is, you can expand this storage capacity further by opting for additional plans if you ever find yourself needing more space.

One of the standout features of Runbox is its commitment to security. They prioritize user privacy and employ end-to-end encryption, ensuring that your emails and attachments are protected from prying eyes. The service also utilizes secure protocols to safeguard your data during transmission. It’s reassuring to know that my personal and sensitive information is in safe hands.

Another aspect that I appreciate about Runbox is its robust spam filtering system. The advanced spam filters effectively catch and filter out unwanted emails, sparing me from the annoyance of dealing with spam. Additionally, the virus protection feature helps keep my inbox clean and secure.

One of the reasons I chose Runbox over other providers is its support for custom domain email addresses. I run a small business, and having a professional email address with my domain adds a touch of credibility to my communications. Runbox makes it easy to set up and manage custom domains, allowing me to maintain a consistent and professional online presence.

The availability of a mobile app for both iOS and Android is another plus point for Runbox. It enables me to stay connected and manage my emails on the go, ensuring that I never miss any important messages or appointments. The app is user-friendly and offers a seamless experience, mirroring the functionality of the web interface.

Runbox also provides an integrated calendar feature, which has proven to be incredibly useful for scheduling and organizing events. I can easily create appointments, set reminders, and even invite others to meetings directly from my email interface. It’s a handy tool that keeps me on top of my schedule.

Managing contacts has never been easier with Runbox. The built-in address book allows me to store and organize all my contacts in one place. I can quickly search for a specific contact, add new entries, and even import contacts from other platforms. It’s a convenient feature that saves me time and effort.

When it comes to sending and receiving large attachments, Runbox has me covered. With a generous attachment size limit of up to 100 MB per file, I can easily share important documents, photos, or videos with colleagues, friends, and family.

Runbox offers subscription-based plans, starting at just $4.95 per month. Considering the extensive features, top-notch security, and reliable service that Runbox provides, I find the pricing to be reasonable and fair. It’s a small investment for the peace of mind and convenience that Runbox brings to my email experience.

To wrap things up, let’s go over the short pros and cons of Runbox:


  • Generous storage capacity
  • End-to-end encryption and secure protocols
  • Advanced spam filtering and virus protection
  • Support for custom domain email addresses
  • Mobile app for iOS and Android
  • Integrated calendar and address book
  • Large attachment size limit
  • Reasonable pricing for the features offered


  • Some advanced features may require a learning curve for new users

In conclusion, Runbox has truly impressed me with its excellent features, robust security measures, and user-friendly interface. It has become an integral part of my daily communication routine, providing a reliable and secure platform for managing my emails. If you’re in search of a trustworthy and feature-rich email service provider, I highly recommend giving Runbox a try.

6: Mailfence

EncryptionEnd-to-end encryption
PrivacyZero access to user data
Two-factor authenticationYes
Email storageUp to 20 GB
Calendar and ContactsYes
PGP supportYes
Custom domain supportYes
PriceFree plans are available, premium plans vary

I’ve always been concerned about the privacy and security of my online communications, particularly regarding email. That’s why I was thrilled to discover Mailfence, an email service that puts a strong emphasis on protecting user data while offering a plethora of features. In this review, I’ll share my personal experience with Mailfence, highlighting its notable features, pros, and cons.

From the moment I signed up, Mailfence impressed me with its commitment to privacy. The service boasts end-to-end encryption, ensuring that only the intended recipient can read my emails. This level of security gives me peace of mind, especially when discussing sensitive matters or sharing confidential information. Additionally, Mailfence follows a zero-access policy, meaning they don’t have access to my data, further safeguarding my privacy.

One aspect that sets Mailfence apart is its open-source nature. This means that security experts can review the code for any vulnerabilities, reducing the risk of hidden backdoors or exploits. It’s reassuring to know that Mailfence is committed to transparency and is constantly improving its security measures.

To enhance account security, Mailfence offers two-factor authentication (2FA). This additional layer of protection ensures that even if someone obtains my password, they won’t be able to access my account without the second verification step. It’s a simple yet effective way to thwart unauthorized access attempts.

In terms of storage, Mailfence provides up to 20 GB of email storage, which is more than sufficient for my needs. I appreciate that I don’t have to worry about running out of space or constantly deleting old emails to free up storage.

Mailfence also goes beyond just email by offering integrated calendar and contacts functionality. This feature simplifies my workflow by allowing me to manage my schedule and contacts within the same secure platform. It’s convenient and helps me stay organized.

For those familiar with Pretty Good Privacy (PGP), Mailfence supports PGP encryption, allowing me to encrypt and decrypt messages using my keys. This feature is especially valuable when communicating with others who also use PGP, as it ensures end-to-end encryption for our entire conversation.

Another noteworthy aspect of Mailfence is its support for custom domains. This means I can use my domain name for my email address, giving me a professional and personalized touch. It’s a feature that sets Mailfence apart from many other email providers.

Now, let’s talk about the pricing. Mailfence offers a free plan, which is great for those who want to give it a try or have basic email needs. However, they also offer premium plans with additional features and storage options at competitive prices. The flexibility in pricing allows me to choose a plan that suits my requirements without breaking the bank.


  • End-to-end encryption and zero-access policy ensure high-level privacy.
  • The open-source nature promotes transparency and security.
  • Two-factor authentication adds an extra layer of account security.
  • Ample email storage of up to 20 GB.
  • Integrated calendar and contacts management.
  • PGP support for encrypted communication.
  • Custom domain support for a personalized email experience.


  • Some advanced features are only available in premium plans.
  • The user interface could be more intuitive for newcomers.

In conclusion, Mailfence has been an excellent email service that has exceeded my expectations. Its commitment to privacy and security, combined with a range of features, makes it a strong contender in the email service market. Whether you’re a privacy-conscious individual or a professional seeking a secure communication platform, Mailfence is definitely worth considering. Give it a try, and experience the peace of mind that comes with knowing your emails are protected.


In conclusion, when it comes to ensuring the privacy and security of our online communications, choosing the right email service provider is crucial. In 2023, the landscape of secure email services has become more robust than ever. We’ve explored the six most secure email service providers, each with its unique features and strengths. From end-to-end encryption to zero-access policies and advanced authentication methods, these providers are setting the standard for safeguarding our digital conversations. Whether you’re an individual concerned about personal privacy or a business looking to protect sensitive information, these secure email services offer a range of options to suit your needs. It’s an exciting time when we have the power to take control of our online privacy, and these providers are at the forefront of this movement. So, take the time to explore each option, consider your priorities, and make an informed decision that aligns with your security requirements.

Q1: What is end-to-end encryption, and why is it essential in secure email services?

 A1: End-to-end encryption is a security measure that ensures only the sender and intended recipient can read the contents of an email. It’s important because it protects sensitive information from being intercepted or accessed by unauthorized parties.

Q2: What is a zero-access policy in the context of email service providers?

A2: A zero-access policy means that the email service provider does not have access to the user’s data, including the content of emails. This enhances privacy and security since even if a third party requests access to user data, the provider is unable to provide it.

Q3: How does the two-factor authentication (2FA) enhance the security of email accounts?

A3: Two-factor authentication adds an extra layer of security by requiring users to provide a second verification step, such as a unique code sent to their mobile device, in addition to their password. This prevents unauthorized access even if someone obtains the account password.

Q4: What is the significance of open-source email service providers?

A4: Open-source email service providers allow the source code of their software to be reviewed and audited by the public. This promotes transparency, as security experts can identify and fix vulnerabilities, ensuring a more secure environment for users.

Q5: Can I use a custom domain with these secure email service providers?

A5: Yes, many of these secure email service providers offer support for custom domains. This means you can use your domain name for your email address, providing a professional and personalized touch to your communication while still enjoying the benefits of secure email services.

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