Check out our list of free Email Encryption Software. Products featured on this list are the ones that offer a free trial version. As with most free versions, there are limitations, typically time or features.
If you'd like to see more products and to evaluate additional feature options, compare all Email Encryption Software to ensure you get the right product.
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G2 takes pride in showing unbiased reviews on user satisfaction in our ratings and reports. We do not allow paid placements in any of our ratings, rankings, or reports. Learn about our scoring methodologies.
Paubox is a HIPAA compliant email security platform designed for healthcare organizations. It provides outbound email encryption and AI-powered inbound email protection, helping organizations safeguar
Users
Owner
CEO
Industries
Mental Health Care
Hospital & Health Care
Market Segment
81% Small-Business
16% Mid-Market
User Sentiment
How are these determined?
These insights, currently in beta, are compiled from user reviews and grouped to display a high-level overview of the software.
Paubox is an email encryption service that ensures secure and HIPAA-compliant communication for businesses.
Reviewers frequently mention the ease of setup, automatic encryption of all outbound emails and inbound replies, and the excellent customer support provided by Paubox.
Reviewers experienced concerns about the high cost of the service, the limited 45-day log of email records, and occasional emails being flagged as spam.
User Satisfaction
Paubox features and usability ratings that predict user satisfaction
9.8
Has the product been a good partner in doing business?
Paubox is a HIPAA compliant email security platform designed for healthcare organizations. It provides outbound email encryption and AI-powered inbound email protection, helping organizations safeguar
Users
Owner
CEO
Industries
Mental Health Care
Hospital & Health Care
Market Segment
81% Small-Business
16% Mid-Market
User Sentiment
How are these determined?
These insights, currently in beta, are compiled from user reviews and grouped to display a high-level overview of the software.
Paubox is an email encryption service that ensures secure and HIPAA-compliant communication for businesses.
Reviewers frequently mention the ease of setup, automatic encryption of all outbound emails and inbound replies, and the excellent customer support provided by Paubox.
Reviewers experienced concerns about the high cost of the service, the limited 45-day log of email records, and occasional emails being flagged as spam.
Paubox features and usability ratings that predict user satisfaction
9.8
Has the product been a good partner in doing business?
Proofpoint’s Core Email Protection (CEP) stops 99.99% of all email threats before they become compromises. It stops the broadest range of email cyberattacks, spam and graymail. For security analysts,
Users
Information Security Analyst
IT Security Engineer
Industries
Financial Services
Hospital & Health Care
Market Segment
66% Enterprise
30% Mid-Market
User Satisfaction
Proofpoint Core Email Protection features and usability ratings that predict user satisfaction
9.2
Has the product been a good partner in doing business?
Average: 9.1
8.8
Quality of Support
Average: 8.8
8.5
Ease of Admin
Average: 9.0
8.5
Ease of Use
Average: 9.0
What G2 Users Think
BG
Provides peace of mind and knowledge that our email is being protected from any malicious bad actors and dangerous emails. Read review
DG
The speed fo implementation can be tuned according to the need of the client, no need to wait 2 months to be protecting, from day 1 you can get all... Read review
Proofpoint’s Core Email Protection (CEP) stops 99.99% of all email threats before they become compromises. It stops the broadest range of email cyberattacks, spam and graymail. For security analysts,
Users
Information Security Analyst
IT Security Engineer
Industries
Financial Services
Hospital & Health Care
Market Segment
66% Enterprise
30% Mid-Market
Proofpoint Core Email Protection features and usability ratings that predict user satisfaction
9.2
Has the product been a good partner in doing business?
Average: 9.1
8.8
Quality of Support
Average: 8.8
8.5
Ease of Admin
Average: 9.0
8.5
Ease of Use
Average: 9.0
BG
Provides peace of mind and knowledge that our email is being protected from any malicious bad actors and dangerous emails. Read review
DG
The speed fo implementation can be tuned according to the need of the client, no need to wait 2 months to be protecting, from day 1 you can get all... Read review
Tresorit is a secure content collaboration platform built to help individuals and organizations store, sync, and share sensitive information without sacrificing privacy. It brings encrypted storage, f
Users
CEO
Manager
Industries
Information Technology and Services
Non-Profit Organization Management
Market Segment
86% Small-Business
13% Mid-Market
User Satisfaction
Tresorit features and usability ratings that predict user satisfaction
8.9
Has the product been a good partner in doing business?
Average: 9.1
8.7
Quality of Support
Average: 8.8
8.8
Ease of Admin
Average: 9.0
9.1
Ease of Use
Average: 9.0
What G2 Users Think
PS
Security is top notch.
Great user interface.
Fast and reliable.
Sharing Links can expire and be password protected.
Pricing is... Read review
AT
It's zero knowledge design & portability Read review
Tresorit is a secure content collaboration platform built to help individuals and organizations store, sync, and share sensitive information without sacrificing privacy. It brings encrypted storage, f
Users
CEO
Manager
Industries
Information Technology and Services
Non-Profit Organization Management
Market Segment
86% Small-Business
13% Mid-Market
Tresorit features and usability ratings that predict user satisfaction
8.9
Has the product been a good partner in doing business?
Average: 9.1
8.7
Quality of Support
Average: 8.8
8.8
Ease of Admin
Average: 9.0
9.1
Ease of Use
Average: 9.0
PS
Security is top notch.
Great user interface.
Fast and reliable.
Sharing Links can expire and be password protected.
Pricing is... Read review
AT
It's zero knowledge design & portability Read review
Proton Mail for Business is a secure email and calendar solution that helps small and medium‑sized businesses (SMBs) send, receive, organise, and manage professional email and calendar communications
Users
No information available
Industries
Internet
Information Technology and Services
Market Segment
57% Small-Business
31% Mid-Market
User Satisfaction
Proton Mail For Business features and usability ratings that predict user satisfaction
9.3
Has the product been a good partner in doing business?
Average: 9.1
8.1
Quality of Support
Average: 8.8
9.1
Ease of Admin
Average: 9.0
8.8
Ease of Use
Average: 9.0
What G2 Users Think
SS
The best thing about Protonmail is its reliability. Data security and encryption were key factors in our choice of Protonmail for our business and... Read review
KM
Protonmail gives full privacy to its users by not accessing or not reading their emails content by employing end to end encryption. Protonmail... Read review
Proton Mail for Business is a secure email and calendar solution that helps small and medium‑sized businesses (SMBs) send, receive, organise, and manage professional email and calendar communications
Users
No information available
Industries
Internet
Information Technology and Services
Market Segment
57% Small-Business
31% Mid-Market
Proton Mail For Business features and usability ratings that predict user satisfaction
9.3
Has the product been a good partner in doing business?
Average: 9.1
8.1
Quality of Support
Average: 8.8
9.1
Ease of Admin
Average: 9.0
8.8
Ease of Use
Average: 9.0
SS
The best thing about Protonmail is its reliability. Data security and encryption were key factors in our choice of Protonmail for our business and... Read review
KM
Protonmail gives full privacy to its users by not accessing or not reading their emails content by employing end to end encryption. Protonmail... Read review
NeoCertified provides secure email encryption for businesses and individuals alike. With no sales minimums, no setup fees, and a fully-refundable product guarantee, NeoCertified is the simple, easy-to
Users
President
Industries
Hospital & Health Care
Insurance
Market Segment
70% Small-Business
28% Mid-Market
User Satisfaction
NeoCertified Secure Email features and usability ratings that predict user satisfaction
9.8
Has the product been a good partner in doing business?
Average: 9.1
9.8
Quality of Support
Average: 8.8
9.5
Ease of Admin
Average: 9.0
9.6
Ease of Use
Average: 9.0
What G2 Users Think
PM
NeoCertified has been an excellent choice for our clients who need to send encrypted communications. The Outlook plugin makes sending and receiving... Read review
CS
Integration with Outlook and the price is very reasonable.
Ability to see when recipient opens email Read review
NeoCertified provides secure email encryption for businesses and individuals alike. With no sales minimums, no setup fees, and a fully-refundable product guarantee, NeoCertified is the simple, easy-to
Users
President
Industries
Hospital & Health Care
Insurance
Market Segment
70% Small-Business
28% Mid-Market
NeoCertified Secure Email features and usability ratings that predict user satisfaction
9.8
Has the product been a good partner in doing business?
Average: 9.1
9.8
Quality of Support
Average: 8.8
9.5
Ease of Admin
Average: 9.0
9.6
Ease of Use
Average: 9.0
PM
NeoCertified has been an excellent choice for our clients who need to send encrypted communications. The Outlook plugin makes sending and receiving... Read review
CS
Integration with Outlook and the price is very reasonable.
Ability to see when recipient opens email Read review
Spike is an AI-powered email and team communication platform that combines email, chat, meetings, and collaboration tools into a single, organized workspace. It is designed for professionals, small te
Users
CEO
Owner
Industries
Information Technology and Services
Computer Software
Market Segment
73% Small-Business
15% Mid-Market
User Sentiment
How are these determined?
These insights, currently in beta, are compiled from user reviews and grouped to display a high-level overview of the software.
Spike is an email management software that transforms emails into chat-style conversations, streamlines communication, and offers built-in collaboration tools.
Reviewers frequently mention that Spike's chat-style email view, unified workspace, and ability to group messages by person make communication fast, seamless, and organized, with additional features like on-the-spot translation, voice notes, and file sharing.
Users mentioned occasional issues with email syncing, limited integrations with external providers and CRM platforms, difficulty in finding advanced options due to its minimalistic design, and some features being limited on the mobile version compared to the desktop version.
User Satisfaction
Spike features and usability ratings that predict user satisfaction
8.6
Has the product been a good partner in doing business?
Spike is an AI-powered email and team communication platform that combines email, chat, meetings, and collaboration tools into a single, organized workspace. It is designed for professionals, small te
Users
CEO
Owner
Industries
Information Technology and Services
Computer Software
Market Segment
73% Small-Business
15% Mid-Market
User Sentiment
How are these determined?
These insights, currently in beta, are compiled from user reviews and grouped to display a high-level overview of the software.
Spike is an email management software that transforms emails into chat-style conversations, streamlines communication, and offers built-in collaboration tools.
Reviewers frequently mention that Spike's chat-style email view, unified workspace, and ability to group messages by person make communication fast, seamless, and organized, with additional features like on-the-spot translation, voice notes, and file sharing.
Users mentioned occasional issues with email syncing, limited integrations with external providers and CRM platforms, difficulty in finding advanced options due to its minimalistic design, and some features being limited on the mobile version compared to the desktop version.
Spike features and usability ratings that predict user satisfaction
8.6
Has the product been a good partner in doing business?
RMail® is the e-security platform by RPost®, a global leader since 2000. RMail specializes in elegantly easy to use email encryption for privacy and compliance, e-signatures, legal e-delivery proof, s
Users
No information available
Industries
Information Technology and Services
Market Segment
60% Small-Business
24% Mid-Market
User Satisfaction
RMail features and usability ratings that predict user satisfaction
9.4
Has the product been a good partner in doing business?
Average: 9.1
9.7
Quality of Support
Average: 8.8
9.7
Ease of Admin
Average: 9.0
9.7
Ease of Use
Average: 9.0
What G2 Users Think
ZI
The ability to encrypt emails, send large files, gather e-signatures, and ease of use are some of the biggest positives of using RMail, supported... Read review
MS
It was very easy to download, we had it running in a few minutes. I like the fact that it's simple for the recipients to open the encrypted email,... Read review
RMail® is the e-security platform by RPost®, a global leader since 2000. RMail specializes in elegantly easy to use email encryption for privacy and compliance, e-signatures, legal e-delivery proof, s
Users
No information available
Industries
Information Technology and Services
Market Segment
60% Small-Business
24% Mid-Market
RMail features and usability ratings that predict user satisfaction
9.4
Has the product been a good partner in doing business?
Average: 9.1
9.7
Quality of Support
Average: 8.8
9.7
Ease of Admin
Average: 9.0
9.7
Ease of Use
Average: 9.0
ZI
The ability to encrypt emails, send large files, gather e-signatures, and ease of use are some of the biggest positives of using RMail, supported... Read review
MS
It was very easy to download, we had it running in a few minutes. I like the fact that it's simple for the recipients to open the encrypted email,... Read review
View top Consulting Services for KnowBe4 Cloud Email Security (Formerly Egress)
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Overview
Product Description
How are these determined?
This description is provided by the seller.
KnowBe4 Cloud Email Security is a comprehensive AI-powered email protection platform that defends against sophisticated inbound and outbound email threats, transforming email from organizations' large
Users
No information available
Industries
Hospital & Health Care
Information Technology and Services
Market Segment
52% Mid-Market
30% Small-Business
User Satisfaction
KnowBe4 Cloud Email Security (Formerly Egress) features and usability ratings that predict user satisfaction
9.4
Has the product been a good partner in doing business?
Average: 9.1
8.9
Quality of Support
Average: 8.8
8.7
Ease of Admin
Average: 9.0
8.7
Ease of Use
Average: 9.0
What G2 Users Think
AF
Support was great, customisable branding, fairly simple product and you can tailor it to your organisation e.g. you can set rules and key words to... Read review
GS
We moved to Egress from Sharefile 3+ years ago largely due to price. The product has performed well and is easy to use. The support when it was... Read review
KnowBe4 Cloud Email Security is a comprehensive AI-powered email protection platform that defends against sophisticated inbound and outbound email threats, transforming email from organizations' large
Users
No information available
Industries
Hospital & Health Care
Information Technology and Services
Market Segment
52% Mid-Market
30% Small-Business
KnowBe4 Cloud Email Security (Formerly Egress) features and usability ratings that predict user satisfaction
9.4
Has the product been a good partner in doing business?
Average: 9.1
8.9
Quality of Support
Average: 8.8
8.7
Ease of Admin
Average: 9.0
8.7
Ease of Use
Average: 9.0
AF
Support was great, customisable branding, fairly simple product and you can tailor it to your organisation e.g. you can set rules and key words to... Read review
GS
We moved to Egress from Sharefile 3+ years ago largely due to price. The product has performed well and is easy to use. The support when it was... Read review
Encyro lets you send secure files to any email address. Stop wasting time inviting clients, setting up shared folders, or configuring permissions. Receive secure messages and files from clients withou
Users
Owner
Industries
Accounting
Market Segment
100% Small-Business
User Satisfaction
Encyro features and usability ratings that predict user satisfaction
9.5
Has the product been a good partner in doing business?
Average: 9.1
9.8
Quality of Support
Average: 8.8
8.9
Ease of Admin
Average: 9.0
9.3
Ease of Use
Average: 9.0
What G2 Users Think
JL
Encyro is incredibly easy to use and set up. It is well-worth the cost, particularly compared to its competitors. It is far and away the best... Read review
UA
Does what is needed at a great price. It is easy for clients to use. Read review
Encyro lets you send secure files to any email address. Stop wasting time inviting clients, setting up shared folders, or configuring permissions. Receive secure messages and files from clients withou
Users
Owner
Industries
Accounting
Market Segment
100% Small-Business
Encyro features and usability ratings that predict user satisfaction
9.5
Has the product been a good partner in doing business?
Average: 9.1
9.8
Quality of Support
Average: 8.8
8.9
Ease of Admin
Average: 9.0
9.3
Ease of Use
Average: 9.0
JL
Encyro is incredibly easy to use and set up. It is well-worth the cost, particularly compared to its competitors. It is far and away the best... Read review
UA
Does what is needed at a great price. It is easy for clients to use. Read review
Kiteworks’ mission is to empower organizations to effectively manage risk in every send, share, receive, and save of sensitive content. To this end, we created a platform that delivers content governa
Users
No information available
Industries
Information Technology and Services
Market Segment
45% Enterprise
29% Small-Business
User Sentiment
How are these determined?
These insights, currently in beta, are compiled from user reviews and grouped to display a high-level overview of the software.
Kiteworks is a software that ensures secure file transfer and sharing with end-to-end encryption, access control and real-time threat and intrusion detection.
Reviewers appreciate Kiteworks for its strong security and access control features, its seamless integration capability with other tools, and its compliance with laws like GDPR and HIPAA.
Users mentioned that the interface is not very user-friendly, setup and configuration may require IT support, and the pricing and minimum user license could be a concern for some.
User Satisfaction
Kiteworks features and usability ratings that predict user satisfaction
7.8
Has the product been a good partner in doing business?
Kiteworks’ mission is to empower organizations to effectively manage risk in every send, share, receive, and save of sensitive content. To this end, we created a platform that delivers content governa
Users
No information available
Industries
Information Technology and Services
Market Segment
45% Enterprise
29% Small-Business
User Sentiment
How are these determined?
These insights, currently in beta, are compiled from user reviews and grouped to display a high-level overview of the software.
Kiteworks is a software that ensures secure file transfer and sharing with end-to-end encryption, access control and real-time threat and intrusion detection.
Reviewers appreciate Kiteworks for its strong security and access control features, its seamless integration capability with other tools, and its compliance with laws like GDPR and HIPAA.
Users mentioned that the interface is not very user-friendly, setup and configuration may require IT support, and the pricing and minimum user license could be a concern for some.
Kiteworks features and usability ratings that predict user satisfaction
7.8
Has the product been a good partner in doing business?
Canary learns how you email. It can write your emails, surface what needs attention, silence spam, and much more. Say hello to your Inbox Copilot.
Users
No information available
Industries
Marketing and Advertising
Consulting
Market Segment
85% Small-Business
10% Mid-Market
User Satisfaction
Canary Mail features and usability ratings that predict user satisfaction
9.1
Has the product been a good partner in doing business?
Average: 9.1
9.2
Quality of Support
Average: 8.8
9.3
Ease of Admin
Average: 9.0
9.2
Ease of Use
Average: 9.0
What G2 Users Think
SS
My favourite features are email encryption (this is an amazing feature), received and read notifications, and Autopilot.
Other apps do not offer... Read review
LG
It is an application that is being safe since I use it, you can put a read confirmation, multiple accounts, secure encryption, without... Read review
Canary learns how you email. It can write your emails, surface what needs attention, silence spam, and much more. Say hello to your Inbox Copilot.
Users
No information available
Industries
Marketing and Advertising
Consulting
Market Segment
85% Small-Business
10% Mid-Market
Canary Mail features and usability ratings that predict user satisfaction
9.1
Has the product been a good partner in doing business?
Average: 9.1
9.2
Quality of Support
Average: 8.8
9.3
Ease of Admin
Average: 9.0
9.2
Ease of Use
Average: 9.0
SS
My favourite features are email encryption (this is an amazing feature), received and read notifications, and Autopilot.
Other apps do not offer... Read review
LG
It is an application that is being safe since I use it, you can put a read confirmation, multiple accounts, secure encryption, without... Read review
PreVeil’s encrypted Email & Drive platform is used by over 2,000 organizations to improve their security & achieve CMMC & ITAR compliance. PreVeil can be deployed in hours & is easy to
Users
No information available
Industries
No information available
Market Segment
60% Small-Business
40% Mid-Market
User Satisfaction
PreVeil File Sharing and Email features and usability ratings that predict user satisfaction
10.0
Has the product been a good partner in doing business?
Average: 9.1
10.0
Quality of Support
Average: 8.8
10.0
Ease of Admin
Average: 9.0
9.8
Ease of Use
Average: 9.0
What G2 Users Think
AD
It's one of the lowest cost solutions for ITAR and CUI compliant cloud storage. Read review
RG
The file-sharing interface is straightforward. The email interface is similar to most good webmail clients. The ease of use is right up there with... Read review
PreVeil’s encrypted Email & Drive platform is used by over 2,000 organizations to improve their security & achieve CMMC & ITAR compliance. PreVeil can be deployed in hours & is easy to
Users
No information available
Industries
No information available
Market Segment
60% Small-Business
40% Mid-Market
PreVeil File Sharing and Email features and usability ratings that predict user satisfaction
10.0
Has the product been a good partner in doing business?
Average: 9.1
10.0
Quality of Support
Average: 8.8
10.0
Ease of Admin
Average: 9.0
9.8
Ease of Use
Average: 9.0
AD
It's one of the lowest cost solutions for ITAR and CUI compliant cloud storage. Read review
RG
The file-sharing interface is straightforward. The email interface is similar to most good webmail clients. The ease of use is right up there with... Read review
365 Total Protection is the only solution on the market to cover all aspects of security, compliance and backup for Microsoft 365.
Choose from various bundles to suit your business needs, and enjo
Users
No information available
Industries
No information available
Market Segment
50% Mid-Market
45% Small-Business
User Satisfaction
Hornetsecurity 365 Total Protection features and usability ratings that predict user satisfaction
9.2
Has the product been a good partner in doing business?
Average: 9.1
9.4
Quality of Support
Average: 8.8
8.9
Ease of Admin
Average: 9.0
8.9
Ease of Use
Average: 9.0
What G2 Users Think
AA
Important modules are clearly arranged.
We use it every day.
Integration with service providers was easy to implement Read review
UC
Appreciate the quick responsiveness and regular updates that constantly improve security. Read review
365 Total Protection is the only solution on the market to cover all aspects of security, compliance and backup for Microsoft 365.
Choose from various bundles to suit your business needs, and enjo
Users
No information available
Industries
No information available
Market Segment
50% Mid-Market
45% Small-Business
Hornetsecurity 365 Total Protection features and usability ratings that predict user satisfaction
9.2
Has the product been a good partner in doing business?
Average: 9.1
9.4
Quality of Support
Average: 8.8
8.9
Ease of Admin
Average: 9.0
8.9
Ease of Use
Average: 9.0
AA
Important modules are clearly arranged.
We use it every day.
Integration with service providers was easy to implement Read review
UC
Appreciate the quick responsiveness and regular updates that constantly improve security. Read review
Unevasive Detection and Sanitization. Email Security without Delay.
Clearswift offers the industry’s most effective layer of real-time email inspection to detect and completely sanitize evasive threa
Users
No information available
Industries
No information available
Market Segment
61% Enterprise
39% Mid-Market
User Satisfaction
Fortra Secure Email Gateway features and usability ratings that predict user satisfaction
9.3
Has the product been a good partner in doing business?
Average: 9.1
9.5
Quality of Support
Average: 8.8
9.3
Ease of Admin
Average: 9.0
8.8
Ease of Use
Average: 9.0
What G2 Users Think
AE
Possibility
- to block or sanitize active content.
- to have different quarantine folders which each represent the type of malware found.
- to... Read review
Unevasive Detection and Sanitization. Email Security without Delay.
Clearswift offers the industry’s most effective layer of real-time email inspection to detect and completely sanitize evasive threa
Users
No information available
Industries
No information available
Market Segment
61% Enterprise
39% Mid-Market
Fortra Secure Email Gateway features and usability ratings that predict user satisfaction
9.3
Has the product been a good partner in doing business?
Average: 9.1
9.5
Quality of Support
Average: 8.8
9.3
Ease of Admin
Average: 9.0
8.8
Ease of Use
Average: 9.0
AE
Possibility
- to block or sanitize active content.
- to have different quarantine folders which each represent the type of malware found.
- to... Read review
Hornetsecurity’s Spam and Malware Protection service is a best-in-class, cloud email filtering solution that keeps your inbox free from unwanted emails. With proven features and thorough spam filterin
Users
No information available
Industries
No information available
Market Segment
64% Small-Business
18% Enterprise
User Satisfaction
Hornetsecurity Spam and Malware Protection features and usability ratings that predict user satisfaction
10.0
Has the product been a good partner in doing business?
Average: 9.1
10.0
Quality of Support
Average: 8.8
10.0
Ease of Admin
Average: 9.0
10.0
Ease of Use
Average: 9.0
What G2 Users Think
GT
Monitoring, leverage your professional network Read review
GB
Quick and easy to onboard, train customers and they love the reports.
Support when seldom required is quick and knowledgeable.
We have used other... Read review
Hornetsecurity’s Spam and Malware Protection service is a best-in-class, cloud email filtering solution that keeps your inbox free from unwanted emails. With proven features and thorough spam filterin
Users
No information available
Industries
No information available
Market Segment
64% Small-Business
18% Enterprise
Hornetsecurity Spam and Malware Protection features and usability ratings that predict user satisfaction
10.0
Has the product been a good partner in doing business?
Average: 9.1
10.0
Quality of Support
Average: 8.8
10.0
Ease of Admin
Average: 9.0
10.0
Ease of Use
Average: 9.0
GT
Monitoring, leverage your professional network Read review
GB
Quick and easy to onboard, train customers and they love the reports.
Support when seldom required is quick and knowledgeable.
We have used other... Read review
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