Some of the biggest threats for your business are malicious hacker attacks, data theft and the prying eyes of competitors. That’s what makes reliable email encryption software so important — it will ensure safe communication, especially when it comes to sharing sensitive information and attachments. That said, choosing the right platform is a challenge of its own given all the options out there. That’s why we researched all available business email encryption software on the market and made a list. So, read on to learn all about our top choices, backed by a custom evaluation methodology and don’t forget to check out our handy buying guide.
To find the best solutions on the market, we did thorough research, following a strict evaluation methodology and made sure that every choice on the list has a crucial set of features. Keep reading if you want to learn a little bit more about how and why we chose these platforms and why we believe that one of them could be exactly what your company needs.
Starting from startups and small businesses, to mid-sized companies and large franchises – we made sure that our list has something for everyone. We wanted to give you the best choices available at the moment based on the size of your company as well as your budget.
It doesn’t matter how good the email encryption software is if the user-interface is overcomplicated. The reason we gave an advantage to user-friendly software solutions is the idea that no one needs extra work when it comes to their jobs. We all want to be as productive as possible and we can’t achieve this goal if we are overwhelmed by a computer program that was designed to make our work life easier.
In addition to ease of use, an intuitive user interface can also be a lifesaver. The better the learning processes of the AI are, the handier the software is.
There are three main types of email encryption: S/MIME, PGP/MIME, and TML. We made sure that our list consists of all of them so you can have a bigger diversity while choosing the product best suited for your company’s needs. That said, neither are straightforward to set up but some operating systems may favor one compared to the other.
When it comes to email security, every company has its own needs. Some may require only a basic level of protection while others have to add more layers to protect their sensitive data.
All desktop email encryption software automatically encrypts, decrypts, signs, and verifies messages based on pre-defined policies. This way the communication is secured even before entering the network.
Gateway Email Encryption is necessary for all businesses that prefer to send or receive encrypted messages without installing software. It may also be very useful for users on-the-go.
Mobile support is crucial for every successful business so the ability to be able to send and receive encrypted messages directly from mobile devices can help you and your employees to be much more efficient and productive.
Every email encryption software solution on our list has a basic set of the most crucial features needed for any business to be able to protect their sensitive data and ensure seamless internal and external communication. Here are the features that we think can make a great difference in your work life.
The software should allow its users to create automated rules that will encrypt certain data such as passwords, invoices, records, and more. These automated policies make sure that no mistakes are made from employees who are not complying or aware of the regulation.
Automated policies can be of great help, but it's even better if the email encryption service providers have included a feature to allow users to trigger encryption by certain keywords in subject lines.
This feature might not be necessary for all businesses out there, but some companies may want to protect all their data, not only the messages, files, and attachments they are sending via email.
Encrypted communication alone is not enough if you want to protect your sensitive data. Good email encryption programs an option for data loss prevention such as recognizing compromised files and backing them up.
Protecting your company from viruses, malware and phishing attacks is another layer of security that can be the difference between the success and failure of your company.
A protected mailbox is the best way to ensure the safety of all your work, but it’s also crucial to protect all archives whether they contain sensitive data or not. This is especially true for older archives.
Comprehensive and detailed analytics reports can help you stay up-to-date with everything happening in your network.
The best way to find out if the software is worth your time? User reviews. We used those as an extra layer of evaluation. While we did not discard a software based on a couple of bad reviews, we were on the lookout for any potential repeating issues.
There is a reason why user support is one of the crucial aspects for every software out there – no matter how good a program is, sooner or later there will be a problem. Whether it’s human error, a bug or a simple misunderstanding – good support is essential. We, therefore, made sure that the software on our list has helpful, always available and patient user support.
We have included email encryption solutions with a free version (with all the basic features for cost-conscious companies), affordable software (for all companies that need something extra), as well as costly software (which can satisfy the specific needs of the larger companies). In any case, we made sure to only suggest platforms that offer good value for money.
Proofpoint Essentials can without a doubt provide the safety every company needs. This cost-effective solution comes with many useful features such as archiving, reports, and logs that will help you keep a close tab on everything going on over your email network, as well as protect you from losing sensitive data.
This email encrypting software is best known for its enhanced email security, which provides smaller and midsized businesses with enterprise-class protection. That said, the software has strong threat protection that will keep safe even the biggest enterprises for a competitive price. From virus and phishing protection to outbound and content filtering, as well as attachment defense, Proofpoint Essentials has is all set to protect your company’s assets.
Another interesting feature of Proofpoint Essentials comes with the Advanced and Professional modules and offers your business social media account protection.
This email encrypting software also includes comprehensive logs and reports which can help you become more aware of everything happening in your network and, in turn, have bigger control over your email security. The platform’s robust filter rules engine allows all admins to control all email security settings and keep your company safe at all times.
Last but not least, the software easily integrates with Office 365, Exchange and Google G suit mail platforms, as well as directly connects with Azure.
Proofpoint Essentials offers three paid plans – Business, Advanced and Professional. The pricing is available upon a request but you should expect a monthly payment of between $3.57 and $5.33 per user per month based on your company’s needs.
DeliverySlip offers industrial-grade encryption on O365, Outlook or G-Suite. This email encryption service software it’s easy to use and designed specifically to simplify and secure the communication within your company as well as with your outside contacts. DeliverySlip can be used by both small businesses and large enterprises as a cloud-based email security solution.
The DeliverySlip email encrypting software is probably best known for its digital signature software which works inside Outlook, Office 365, G Suite and other similar applications. The platform supports several signature input options, starting with finger, typing, and stamps, up to SSO re-authentication and advanced PIN. The software also comes with a full audit of actions within the lines of the document, in turn, making all the work open and transparent.
DeliverSlip provides a wide array of email encryption services, making sure that only the intended recipient can open and read the sent message. That said, there are no keys or passwords to stand in your way – only a secure web portal that makes things run effortlessly. It also allows end-users to track when the message was received, read, replied to, or forwarded with notifications.
Another interesting feature of this software is the ability to recall secure messages at any time, even if they were read. You may also allow or forbid forwarding and/or downloading content. There is also an option to set a time limit for viewing sensitive messages.
The email encrypting software was designed in a way that maximizes the workflows and minimizes the follow-ups. Firstly, DeliverySlip enables you to keep your existing emails by adding a Secure Send button to your email client. Secondly, the features like real-time activity notifications and deadline reminders can help users stay up-to-date with their assignments and finish all their tasks in time.
DeliverySlip’s email encrypting software offers a free version that can provide small business email encryption, as well as all cost-conscious businesses. That said, there are three paid tiers available that offer a higher level of protection and more features.
The Cloud Email Encryption Plan costs $4/user/month and comes with a free setup. The package offers email encryption, 50mb of secure share file, support and administration and additional add-ins, plugins, and extensions.
The Cloud Security Suite of this email encryption software is priced at $8/user/month and unlocks a bundle of extra features. The offer includes everything that the previous tier has plus secure e-approvals, electronic signatures, workflow, and campaigns, API integration, single-sign-on, and third party connectivity among others.
The vendor also offers custom priced enterprise email encryption tailored according to your company’s needs. Some of the features available with this plan are isolated encrypted database storage, custom encryption salt and hashing, custom URL / SSL certificate, custom SMTP relay for outbound notifications: Personalized Mail Server, an option to hide email address of the sender and subject lines, and many more.
Symantec is one of those email encryption service providers that offer high protection at affordable prices. The software is mostly recommended for midsized and larger companies that need a high level of protection against spam, malware, and phishing attacks as well as other unforeseeable threats. In short, it provides airtight defense against various cyberattacks.
Symantec Email Security.cloud is one of the best email encryption companies, with its platform effectively filtering spam and viruses. The software has multi-layered security which filters 99% of all spam messages and ensures 100% protection of all old and new viruses defined in the SLA. The protection also extends to malware, phishing and targeted attacks that are discovered by detailed analysis.
Another interesting feature of this encryption software for email is the link following technology that traces, redirects and blocks the attack chain. The fact that the link might be redirected several times before reaching your network can make it difficult to discover the source, but the technology used in this software can protect your data. It also offers user visibility by displaying the original and destination URL, redirect type, file name, hash, and count.
Last but not least Symantec Email Security.cloud has a comprehensive database that continuously grows. The platform provides accurate and effective cloud-based email encryption solutions enabling both safety and better employee productivity.
Symantec Email Security.cloud offers two paid packages. The Protect Plan includes email anti-virus and anti-spam, as well as real-time link following. This plan is available for $3.95/user/month.
The Safeguard Plan offers everything that’s included in the Protect Plan plus more features such as email data protection, email image control, and policy-based encryption essentials and TLS encryption. This plan is priced at $7.95/user/month.
When it comes to email encryption products, the best ones are often the simplest. If the users can’t take advantage of the software’s features with ease then the whole purpose of the program it’s lost. Trend Micro offers both a high level of security and the much-needed ease of use required to make your workdays as productive as possible.
Believe it or not, the best feature of Trend Micro is the bundle of features it offers to its users. Some of the most unique ones are layered ransomware protection, firewall booster, and a hardened browser for online banking. Combined together they create an effective antivirus system that belongs to one of the best email encryption companies at the moment.
Another great feature of Trend Micro is the comprehensive multi-layered defense against ransomware attacks. How does this feature work? When the software notices that your data is being encrypted without permission, it automatically backs up the targeted files so you won’t lose access to them and then tries to stop the encryption. Its ability to bypass almost all ransomware locking mechanisms increases the chances of rescuing your sensitive data.
The email encryption software also comes with an antivirus program that scans all USB drives before opening and transferring the files to your device, in turn protecting you from even the most unpredictable and unseen threats.
Lastly, Trend Micro comes with Pay Guard that protects its user’s credit card numbers and account information every time you shop or bank online. The sophisticated software makes it almost impossible for internet snoops and keyloggers who try to steal your identity or uncover some sensitive information that may harm you or your company.
The pricing depends on the number of PCs as well as your company’s needs. Contact Trend Micro directly for more pricing information.
We continue our email encryption software reviews with Paubox – a great solution for seamless email encryption that works under HIPAA specifications. The software is recommended for smaller and midsized businesses in the healthcare industry where it already has a good reputation. The software was designed for all clinicians that need secure messaging.
As one of the best email encryption software platforms on the market, Paubox Encrypted Email offers unique zero-step encryption, which encrypts the messages end-to-end without any login or keyword.
The solution never lets you send an email without the built-in encryption, in turn saving you time and helping you to focus on more important tasks. That said, there is no limit per user for sending emails so you don’t have to worry about the amount. The protection extends to calendar invites too, securing them seamlessly regardless of the tool you use (G Suite, Exchange, Office 365…).
As we already mentioned Paubox is 100% HIPAA compliant, and it also has BAA included on all paid accounts.
Another thing that Paubox excels at is mobile support. It provides the best email encryption service on-the-go by seamlessly connecting to all your devices – tablets, smartphones and smartwatches.
Paubox Encrypted Email offers two paid tiers. The Standard Plan costs $10/user/month but the minimum monthly subscription is $30. The package comes with essentials such as unlimited encrypted emails, zero-step encryption, business associate agreement, secure calendar invites, and domain name expiration check.
The Premium plan is for companies with 50+ users, and adds email data Loss protection, email archiving, and inbound security to the mix. The price is tailored according to your company’s needs.
Egress Intelligent Email Security provides strong email encrypting software for businesses of all sizes. The software solution offers human layer security by helping users share, receive, and manage sensitive data. Egress also makes sure that the data is delivered to the intended recipient, while at the same time encrypting and protecting all messages from prying eyes.
All good email encryption programs are easy to use. The same can be said about Egress Intelligent Email Security too. Once you learn your way around the user interface you can navigate effortlessly and be more productive than ever. The software also works directly from the existing email clients.
Another interesting feature of Egress Intelligent Email Security is its self-learning technology.
The software highlights potential mistakes while choosing recipients and suggests the correct ones based on past conversations. It may also recommend additional recipients that you may have forgotten to add on the senders’ list. The software also automates the data loss protection process, helping IT departments do their job with fewer mistakes.
This is one of the email encryptions solutions that you can use with your business or personal email address, as an individual user. Unlimited usage is priced at $112.50 per year.
The price varies with the number of users. For example, the price for 2-4 users is $112.50/user/year, 5-9 users will cost you $106/user/year, while the 10-user bundle costs $100/user/year. For 25 or more employees, you can contact the vendor for a quote.
Zix is a small business email encryption software designed to encrypt and decrypt emails and attachments with one click. That said, larger organizations and enterprise businesses can also benefit from the program. It’s one of the best email encryption software for the healthcare, finance, and government industries, providing advanced threat protection of business communication.
Zix is known as one of the easiest to use email encryption products at the moment. It offers automated email encryption that requires no user training, it has the ability to automatically choose the best method of encryption, and supports both secure PDF and attachment encryption. There are even predefined policy roles available for some industries such as financial, healthcare, education, and state privacy.
This email encryption service offers a bundle of encryption options. Some of the most popular ones are secure PDF encryption, secure web portals, and secure web portals. There is a quarantine system in place for emails that break the policies. After they enter the quarantine folder they are sent to IT for approval or dismissal.
And last but not least is Zix’s comprehensive analytics and reports that will make yours and your employees’ days easier and more productive.
Zix offers prices as low as $95 per year depending on your company’s needs. That said, minimum quantities apply. For more information about pricing please contact Zix directly.
Microsoft Exchange offers one of the most reliable email encryption tools for small and middle-sized businesses where archiving is crucial. The software provides an affordable and easy to use solution which protects your email archives from prying eyes. Microsoft Exchange comes with automatic patching within Outlook.
One of the most popular features of Microsoft Exchange’s email encryption software is email access from anywhere. You don’t even need your computer, nor a VPN to make it work. Exchange has reliable mobile support so its users can easily configure their tablets or smartphones to access their email on all browsers.
Automation is another great feature. The platform’s transport rules are made by administrators and are most often used for encryption, signatures, and disclaimers. Mailbox rules meanwhile help users automate the process of moving items to different folders, and customize the entire email experience with special sounds and alerts.
Microsoft Exchange’s supreme email encrypting software includes encrypting communication to and from the client as well as encrypting all email data that is not in transit but sitting on a hard drive. The platform also identifies and protects against the loss of any sensitive data.
Microsoft Exchange offers three paid tiers. Exchange Online (Plan 1) is priced at $4/user/month (with an annual commitment) and offers secure and reliable business-class email with a 50GB mailbox for every user. This plan also includes a protected mailbox with premier anti-spam and anti-malware security.
Exchange Online (Plan 2) costs $8/user/month (with an annual commitment) and includes all features from the previous tier plus unlimited storage, data loss prevention, and hosted voicemail.
Office 365 Business Premium is the last paid tier of the vendor’s email encryption products and is priced at $12.50/user/month (with an annual commitment).
All features from the previous tiers are available with many more unlocked such as video conferencing, and 1 TB file storage and sharing. This plan also includes Office applications and services – Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Access (PC only), Exchange, Microsoft OneDrive, Microsoft SharePoint, and Microsoft Teams.
ProtonMail is a Switzerland-based company that provides one of the best email encryption software solutions for businesses of all sizes and from all around the world. This easy to use webmail service protects your messages and sensitive data with zero access and end to end encryptions. Whether you are trying to protect yourselves from hackers or other online threats – you will be in good hands!
The ProtonMail Interface is probably the most popular feature of this email encryption program. The web interface has the usual folders but it also has some interesting additions such as color-coded labels, rules to automatically label emails as well as stars to make certain messages more noticeable. An auto-response feature is also available.
As an end to end email encryption software, all messages are encrypted at all times and not accessible to anyone else, even ProtonMail itself. The software has zero access architecture making it inaccessible to anyone without the proper encryption key. This means that your sensitive data won’t be shared with third parties.
ProtonMail also uses open source email encryption, which guarantees that the encryption algorithms don’t have built-in back doors.
ProtonMail’s email encryption services include a free version with limited features — one address with 150 messages per day, 20 labels, and have 500MB storage with limited support.
The paid options start with ProtonMail Plus Plan at $5/user/month ($4 if paid yearly) with five addresses, 1,000 messages per day, 200 labels, 5GB storage, a custom domain, and support.
ProtonMail Professional is $8/user/month ($6.25 if paid yearly) and comes with 10 addresses (and an option to add more), unlimited messages and labels, 5GB storage per user, two custom domains (with an option to add more), and priority support.
ProtonMail Visionary costs $30/month ($24 if billed annually) and comes with 50 addresses, unlimited messages and labels, 20GB of storage, 10 custom domains and priority support.
Tutanota is an eco-friendly secure email service with impressive U2F, end-to-end encryption, and SHA256 password hashing, making it one of the safest email encryption service providers. It also offers a comprehensive free plan that can help almost all smaller companies and cost-conscious businesses to stay within the lines of their budgets.
One of the most interesting features of Tutanota is the hybrid encryption method. The algorithm is both symmetrical and asymmetrical. Tutanota also offers end to end encryption and two-factor authentication (2FA) to help you protect all your email messages.
Arguably one of the best email encryption service options for the European market, this software is also open source as well as GDPR compliant. That said, you have the power to control which messages are going to be encrypted and you can receive unencrypted emails too.
There is also the ability to encrypt all your contacts and calendars. One of the goals of the software is to encrypt all your data in order to help you protect all sensitive data as well as hide all information about your company from any snooping third parties.
Last but not least, the software comes with both rules and filters for email.
Tutanota’s free plan is more than enough to help startups and smaller companies protect their sensitive data. The plan is for one user and comes with 1 GB storage, Tutanota domains only, a calendar and limited search.
The email encryption services provider also offers two paid plans for private use (Premium and Teams) and three additional paid plans for business use (Premium, Teams, and Pro).
The Premium Plan is priced at €12/user/year and includes 1GB storage, custom domains, unlimited search, several calendars, five aliases, support via email and inbox rules.
The Teams Plan is priced at €48/year for the first user and €24/year for any additional uses. It offers 10GB storage and additional features such as shared calendars.
The Pro Plan costs €72/year for the primary user and €36/year for all additional users. More features are unlocked with this plan, including 20 aliases, priority support, custom domain login, and custom logo and colors.
If you have reached this point it means that you probably have narrowed down your choices some. Still, you need to pick just one option which can be a bit overwhelming, especially if you are new in the industry. But do not worry – we got you covered. Just follow the next three steps and before you know you will have the answer.
It’s best if you start your filtering by choosing only platforms recommended for your company’s size. If you have a small or midsized company, rule out all enterprise-level software because they will offer features that you can’t use at the moment and the price will be higher. Alternatively, if you run an enterprise, focus on email encrypting software that will be able to cater to your needs. We made sure to include both pricier and cost-conscious solutions with all the needed features to run a successful large business.
Define your needs by creating a list of the most crucial features you require from the software solution. Focus on the more specific features that not all platforms offer and keep them in mind while you work on step 3.
Think about how much money you can spend on this type of platform, keeping in mind that you can opt for a lower-priced tier and upgrade later. Compare your budget with the list after step 2 and check which email encryption software falls within your money range — chances are that this is your perfect match.