Top Free Email Encryption Software

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.

View Free Email Encryption Software

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.
32 Email Encryption Products Available
View all Email Encryption Software
View all Email Encryption Software
Paubox
(525)4.9 out of 5
Entry Level Price:Starting at $32.00
1st Easiest To Use in Email Encryption software
OverviewUser Satisfaction
Product Description

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: 83% Small-Business, 15% Mid-Market
User Sentiment

Reviewers like the ease of use, seamless integration with existing email platforms, and the peace of mind provided by the automatic encryption of both incoming and outgoing emails. Reviewers noted occasional issues with emails being held up in quarantine, difficulty understanding the technology, and concerns about the cost, especially for small practices.

User SatisfactionSeller Details
Paubox 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
9.6
Ease of Admin
Average: 9.1
9.8
Ease of Use
Average: 9.0
Seller Details
Seller
Paubox
Year Founded
2015
HQ Location
San Francisco, CA
Twitter
@PauboxHQ
16,515 Twitter followers
LinkedIn® Page
www.linkedin.com
53 employees on LinkedIn®
Proofpoint Core Email Protection
(583)4.6 out of 5
Free trial available
7th Easiest To Use in Email Encryption software
View top Consulting Services for Proofpoint Core Email Protection
OverviewUser Satisfaction
Product Description

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 SatisfactionWhat G2 Users Think
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: 9.1
8.5
Ease of Use
Average: 9.0
What G2 Users ThinkSeller Details
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
Seller Details
Seller
Proofpoint
Company Website
Year Founded
2002
HQ Location
Sunnyvale, CA
Twitter
@proofpoint
31,119 Twitter followers
LinkedIn® Page
www.linkedin.com
5,020 employees on LinkedIn®
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Tresorit
(251)4.5 out of 5
Entry Level Price:Free
14th Easiest To Use in Email Encryption software
OverviewUser Satisfaction
Product Description

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: 85% Small-Business, 13% Mid-Market
User SatisfactionWhat G2 Users Think
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: 9.1
9.0
Ease of Use
Average: 9.0
What G2 Users ThinkSeller Details
Procopis S.
PS
Security is top notch. Great user interface. Fast and reliable. Sharing Links can expire and be password protected. Pricing is... Read review
Alexis T.
AT
It's zero knowledge design & portability Read review
Seller Details
Seller
Tresorit
Year Founded
2011
HQ Location
Zurich, Zurich
Twitter
@Tresorit
7,480 Twitter followers
LinkedIn® Page
www.linkedin.com
138 employees on LinkedIn®
Proton Mail For Business
(132)4.4 out of 5
Entry Level Price:Starting at $6.99
OverviewUser Satisfaction
Product Description

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

Industries: Internet, Information Technology and Services · Market Segment: 57% Small-Business, 31% Mid-Market
User SatisfactionWhat G2 Users Think
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: 9.1
8.8
Ease of Use
Average: 9.0
What G2 Users ThinkSeller Details
Kiran Kumar M.
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
DS
ProtonMail is an excellent choice for anyone who prioritizes security in their email. While it is easy to use, unlike some other providers, it... Read review
Seller Details
Seller
Proton AG
Company Website
Year Founded
2014
HQ Location
Plan-les-Ouates, Geneva, Switzerland
Twitter
@ProtonPrivacy
357,597 Twitter followers
LinkedIn® Page
www.linkedin.com
844 employees on LinkedIn®
NeoCertified Secure Email
(101)4.8 out of 5
Entry Level Price:$8.25 per user/mo (bil...
5th Easiest To Use in Email Encryption software
OverviewUser Satisfaction
Product Description

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 SatisfactionWhat G2 Users Think
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: 9.1
9.6
Ease of Use
Average: 9.0
What G2 Users ThinkSeller Details
Craig S.
CS
Integration with Outlook and the price is very reasonable. Ability to see when recipient opens email Read review
Verified User in Financial Services
AF
The price is affordable. Service is good. Read review
Seller Details
Seller
NeoCertified
Year Founded
2002
HQ Location
Centennial, Colorado
Twitter
@NeoCertified
122 Twitter followers
LinkedIn® Page
www.linkedin.com
8 employees on LinkedIn®
Spike
(262)4.6 out of 5
Entry Level Price:$5.00
OverviewUser Satisfaction
Product Description

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: 71% Small-Business, 15% Mid-Market
User Sentiment

Reviewers like Spike's ability to unify the inbox, reduce email clutter, improve communication efficiency, and its People Mode feature that converts traditional email threads into chat-style bubbles, making long conversations easier to follow. Reviewers noted that Spike sometimes fails to transform emails into a single summary immediately, hides important formal signatures or legal disclaimers in People Mode, and has limited integration with CRM platforms and project management tools.

User SatisfactionSeller Details
Spike features and usability ratings that predict user satisfaction
8.6
Has the product been a good partner in doing business?
Average: 9.1
9.0
Quality of Support
Average: 8.8
8.7
Ease of Admin
Average: 9.1
9.3
Ease of Use
Average: 9.0
Seller Details
Seller
Spike
Year Founded
2014
HQ Location
Herzliya, IL
Twitter
@SpikeNowHQ
3,051 Twitter followers
LinkedIn® Page
www.linkedin.com
31 employees on LinkedIn®
RMail
(63)4.9 out of 5
Free trial available
OverviewUser Satisfaction
Product Description

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

Industries: Information Technology and Services · Market Segment: 60% Small-Business, 24% Mid-Market
User SatisfactionWhat G2 Users Think
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: 9.1
9.7
Ease of Use
Average: 9.0
What G2 Users ThinkSeller Details
zuber i.
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
Seller Details
Seller
RPost
Year Founded
2000
HQ Location
Los Angeles, CA
Twitter
@RPost
1,985 Twitter followers
LinkedIn® Page
www.linkedin.com
192 employees on LinkedIn®
KnowBe4 Cloud Email Security (Formerly Egress)
(73)4.5 out of 5
15th Easiest To Use in Email Encryption software
View top Consulting Services for KnowBe4 Cloud Email Security (Formerly Egress)
OverviewUser Satisfaction
Product Description

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

Industries: Hospital & Health Care, Information Technology and Services · Market Segment: 52% Mid-Market, 30% Small-Business
User SatisfactionWhat G2 Users Think
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: 9.1
8.7
Ease of Use
Average: 9.0
What G2 Users ThinkSeller Details
Verified User in Financial Services
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
Seller Details
Seller
KnowBe4, Inc.
Company Website
Year Founded
2010
HQ Location
Clearwater, FL
Twitter
@KnowBe4
16,187 Twitter followers
LinkedIn® Page
www.linkedin.com
2,387 employees on LinkedIn®
Kiteworks
(142)4.4 out of 5
OverviewUser Satisfaction
Product Description

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

Industries: Information Technology and Services · Market Segment: 20% Small-Business, 18% Enterprise
User Sentiment

Reviewers appreciate Kiteworks' robust security features, detailed audit trails, and seamless integration with existing tools, which enhance secure collaboration and compliance with regulatory requirements. Reviewers mentioned that the mobile app user experience could be improved, the interface could be more intuitive, and the initial setup can be complex for new users.

User SatisfactionSeller Details
Kiteworks features and usability ratings that predict user satisfaction
8.1
Has the product been a good partner in doing business?
Average: 9.1
8.6
Quality of Support
Average: 8.8
8.4
Ease of Admin
Average: 9.1
8.9
Ease of Use
Average: 9.0
Seller Details
Seller
Kiteworks
Year Founded
1999
HQ Location
Palo Alto, CA
Twitter
@Kiteworks
3,462 Twitter followers
LinkedIn® Page
www.linkedin.com
354 employees on LinkedIn®
Phone
650-485-4300
LuxSci
(83)4.7 out of 5
Entry Level Price:Contact Us
11th Easiest To Use in Email Encryption software
OverviewUser Satisfaction
Product Description

LuxSci provides HIPAA-compliant email and secure digital communication solutions for organizations that send sensitive healthcare data at scale. The platform is designed for high deliverability, autom

Industries: Mental Health Care, Hospital & Health Care · Market Segment: 77% Small-Business, 19% Mid-Market
User SatisfactionWhat G2 Users Think
LuxSci features and usability ratings that predict user satisfaction
9.9
Has the product been a good partner in doing business?
Average: 9.1
9.9
Quality of Support
Average: 8.8
8.5
Ease of Admin
Average: 9.1
8.6
Ease of Use
Average: 9.0
What G2 Users ThinkSeller Details
EP
LuxSci helped to get my company to be more HIPAA compliant and fully secure our email component. They have a great team to work with and I will... Read review
Verified User in Computer Software
UC
Say you wanted web or IMAP-based email that was as simple to use as GMail, but didn't spy on you? That's essentially what LuxSci provides. While... Read review
Seller Details
Seller
LuxSci
Company Website
Year Founded
1999
HQ Location
Boston, MA
Twitter
@LuxSci
684 Twitter followers
LinkedIn® Page
www.linkedin.com
45 employees on LinkedIn®
Encyro
(29)4.7 out of 5
Entry Level Price:$0 per month
9th Easiest To Use in Email Encryption software
OverviewUser Satisfaction
Product Description

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 SatisfactionWhat G2 Users Think
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: 9.1
9.3
Ease of Use
Average: 9.0
What G2 Users ThinkSeller Details
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
Verified User in Accounting
UA
Does what is needed at a great price. It is easy for clients to use. Read review
Seller Details
Seller
Encyro
Year Founded
2013
HQ Location
Houston, Texas
Twitter
@encyroinc
12 Twitter followers
LinkedIn® Page
www.linkedin.com
9 employees on LinkedIn®
Canary Mail
(52)4.5 out of 5
Entry Level Price:Free
OverviewUser Satisfaction
Product Description

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.

Industries: Marketing and Advertising, Consulting · Market Segment: 85% Small-Business, 10% Mid-Market
User SatisfactionWhat G2 Users Think
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: 9.1
9.2
Ease of Use
Average: 9.0
What G2 Users ThinkSeller Details
Sutarto S.
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
Seller Details
Seller
Canary Mail
Year Founded
2017
HQ Location
San Francisco, US
Twitter
@CanaryMailApp
7,698 Twitter followers
LinkedIn® Page
www.linkedin.com
23 employees on LinkedIn®
Hornetsecurity 365 Total Protection
(63)4.6 out of 5
Entry Level Price:€2.75
OverviewUser Satisfaction
Product Description

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

Industries: Computer & Network Security, Information Technology and Services · Market Segment: 52% Small-Business, 46% Mid-Market
User SatisfactionWhat G2 Users Think
Hornetsecurity 365 Total Protection features and usability ratings that predict user satisfaction
9.0
Has the product been a good partner in doing business?
Average: 9.1
8.9
Quality of Support
Average: 8.8
8.8
Ease of Admin
Average: 9.1
9.0
Ease of Use
Average: 9.0
What G2 Users ThinkSeller Details
Tome M.
TM
I like the comprehensive protection and the very easy management with Hornetsecurity 365 Total Protection. The easy management saves me time, and... Read review
Leon H.
LH
I like that I hardly receive any more spam and thus have a sense of security. It is particularly valuable that links are checked and our admins can... Read review
Seller Details
Seller
Hornetsecurity
Company Website
Year Founded
2007
HQ Location
Hannover, DE
Twitter
@Hornetsecurity
1,123 Twitter followers
LinkedIn® Page
www.linkedin.com
508 employees on LinkedIn®
PreVeil File Sharing and Email
(10)4.5 out of 5
OverviewUser Satisfaction
Product Description

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

Market Segment: 60% Small-Business, 40% Mid-Market
User SatisfactionWhat G2 Users Think
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: 9.1
9.8
Ease of Use
Average: 9.0
What G2 Users ThinkSeller Details
Verified User in Defense & Space
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
Seller Details
Seller
PreVeil
Year Founded
2015
HQ Location
Boston, US
LinkedIn® Page
www.linkedin.com
73 employees on LinkedIn®
Fortra Secure Email Gateway
(18)4.8 out of 5
OverviewUser Satisfaction
Product Description

Secure Incoming Email. Stop Outbound Data Loss. Email remains one of the most critical and vulnerable communication channels for today’s organizations. Fortra Secure Email Gateway (SEG) is an on-prem

Market Segment: 61% Enterprise, 39% Mid-Market
User SatisfactionWhat G2 Users Think
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: 9.1
8.8
Ease of Use
Average: 9.0
What G2 Users ThinkSeller Details
Verified User in Education Management
AE
Possibility - to block or sanitize active content. - to have different quarantine folders which each represent the type of malware found. - to... Read review
Seller Details
Seller
Fortra
Year Founded
1982
HQ Location
Eden Prairie, Minnesota
Twitter
@fortraofficial
2,601 Twitter followers
LinkedIn® Page
www.linkedin.com
1,738 employees on LinkedIn®