# 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](https://www.g2.com/categories/email-encryption) 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](https://research.g2.com/g2-scoring-methodologies). **33** Email Encryption Products Available View all [Email Encryption Software](https://www.g2.com/categories/email-encryption) View all [Email Encryption Software](https://www.g2.com/categories/email-encryption) ### [Paubox](https://www.g2.com/products/paubox/reviews) [By Paubox](https://www.g2.com/sellers/paubox) [ (588)4.9 out of 5 ](https://www.g2.com/products/paubox/reviews#reviews "Read Paubox Reviews") 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:** 84% Small-Business, 14% Mid-Market User SentimentHow are these determined? Reviewers like the ease of use, seamless integration, automatic encryption, and the peace of mind it provides knowing that their emails are secure and HIPAA compliant. Users mentioned issues with the initial setup, the cost being higher than competitors, and difficulties in adding new employees to the account. Year Founded 2015 HQ Location San Francisco, CA Company Website https://www.paubox.com Twitter @PauboxHQ LinkedIn® Page https://www.linkedin.com/company/4821384/ ### [Proton Mail For Business](https://www.g2.com/products/proton-mail-for-business/reviews) [By Proton AG](https://www.g2.com/sellers/proton-ag) [ (425)4.6 out of 5 ](https://www.g2.com/products/proton-mail-for-business/reviews#reviews "Read Proton Mail For Business Reviews") Product Description Proton Mail for Business is a secure email and calendar solution tailored specifically for small and medium-sized businesses (SMBs). This platform enables users to send, receive, organize, and manage **Users:** Owner, CEO · **Industries:** Information Technology and Services, Computer Software · **Market Segment:** 26% Small-Business, 11% Mid-Market User SentimentHow are these determined? Reviewers like the high level of security and privacy Proton Mail provides, its user-friendly interface, and its continuous improvement and addition of new features. Users mentioned some downsides such as occasional sluggishness, difficulty in setting up vacation responders for alternate email addresses, and issues with email organization and threading. Year Founded 2014 HQ Location Plan-les-Ouates, Geneva, Switzerland Company Website https://proton.me/ Twitter @ProtonPrivacy LinkedIn® Page https://www.linkedin.com/company/protonprivacy/ [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments. [ Learn More ](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) ### [Proofpoint Core Email Protection](https://www.g2.com/products/proofpoint-core-email-protection/reviews) [By Proofpoint](https://www.g2.com/sellers/proofpoint) [ (601)4.6 out of 5 ](https://www.g2.com/products/proofpoint-core-email-protection/reviews#reviews "Read Proofpoint Core Email Protection Reviews") Product Description Proofpoint Collaboration Security tackles multichannel, multistage attacks with 99.999% detection accuracy. It identifies and remediates advanced email threats including BEC, ransomware, phishing, ATO **Users:** Information Security Analyst, IT Security Engineer · **Industries:** Financial Services, Hospital & Health Care · **Market Segment:** 66% Enterprise, 30% Mid-Market BG Provides peace of mind and knowledge that our email is being protected from any malicious bad actors and dangerous emails.[Read review](https://www.g2.com/products/proofpoint-core-email-protection/reviews/proofpoint-core-email-protection-review-10373736) 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](https://www.g2.com/products/proofpoint-core-email-protection/reviews/proofpoint-core-email-protection-review-10374433) Year Founded 2002 HQ Location Sunnyvale, CA Company Website https://www.proofpoint.com/us Twitter @proofpoint LinkedIn® Page https://www.linkedin.com/company/proofpoint Ownership NASDAQ: PFPT ### [Tresorit](https://www.g2.com/products/tresorit/reviews) [By Tresorit](https://www.g2.com/sellers/tresorit) [ (260)4.5 out of 5 ](https://www.g2.com/products/tresorit/reviews#reviews "Read Tresorit Reviews") Product Description Tresorit is a secure content collaboration platform designed to help individuals and organizations store, sync, and share sensitive information while prioritizing privacy. This comprehensive solution **Users:** CEO, Manager · **Industries:** Information Technology and Services, Non-Profit Organization Management · **Market Segment:** 84% Small-Business, 15% Mid-Market ![Yaswanth S.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Yaswanth S.") YS Files are encrypted on your device before they reach the cloud, so only you hold the keys. we can protect the liks with passwords, set expiration...[Read review](https://www.g2.com/products/tresorit/reviews/tresorit-review-12640561) FT Treaorit demonstrates top notch security measures, and only the authorized has access to users files The program has friendly privacy protection...[Read review](https://www.g2.com/products/tresorit/reviews/tresorit-review-12679347) Year Founded 2011 HQ Location Zurich, Zurich Company Website https://tresorit.com Twitter @Tresorit LinkedIn® Page https://www.linkedin.com/company/2449399/ ### [NeoCertified Secure Email](https://www.g2.com/products/neocertified-secure-email/reviews) [By NeoCertified](https://www.g2.com/sellers/neocertified) [ (101)4.8 out of 5 ](https://www.g2.com/products/neocertified-secure-email/reviews#reviews "Read NeoCertified Secure Email Reviews") 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 ![Craig S.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Craig S.") CS Integration with Outlook and the price is very reasonable. Ability to see when recipient opens email[Read review](https://www.g2.com/products/neocertified-secure-email/reviews/neocertified-secure-email-review-4643188) ![Verified User in Financial Services](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Financial Services") AF The price is affordable. Service is good.[Read review](https://www.g2.com/products/neocertified-secure-email/reviews/neocertified-secure-email-review-4648871) Year Founded 2002 HQ Location Centennial, Colorado Company Website https://neocertified.com Twitter @NeoCertified LinkedIn® Page https://www.linkedin.com/company/752051/ ### [Spike](https://www.g2.com/products/spike/reviews) [By Spike](https://www.g2.com/sellers/spike) [ (262)4.6 out of 5 ](https://www.g2.com/products/spike/reviews#reviews "Read Spike Reviews") 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:** 72% Small-Business, 15% Mid-Market User SentimentHow are these determined? Users like Spike's ability to unify inboxes, its fast and efficient search feature, and its user-friendly interface that makes managing emails feel like using a chat app. Reviewers experienced issues with Spike's chat-style interface making it harder to track formal email threads, limited support for certain newsletter providers, and occasional delays in email syncing and notifications. Year Founded 2014 HQ Location Herzliya, IL Company Website https://www.spikenow.com Twitter @SpikeNowHQ LinkedIn® Page https://www.linkedin.com/company/3240452/ ### [RMail](https://www.g2.com/products/rmail/reviews) [By RPost](https://www.g2.com/sellers/rpost) [ (63)4.9 out of 5 ](https://www.g2.com/products/rmail/reviews#reviews "Read RMail Reviews") 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 ![zuber i.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "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](https://www.g2.com/products/rmail/reviews/rmail-review-5106630) 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](https://www.g2.com/products/rmail/reviews/rmail-review-5144501) Year Founded 2000 HQ Location Los Angeles, CA Company Website https://www.rpost.com Twitter @RPost LinkedIn® Page https://www.linkedin.com/company/rpost ### [KnowBe4 Cloud Email Security (Formerly Egress)](https://www.g2.com/products/knowbe4-cloud-email-security-formerly-egress/reviews) [By KnowBe4, Inc.](https://www.g2.com/sellers/knowbe4-inc) [ (74)4.5 out of 5 ](https://www.g2.com/products/knowbe4-cloud-email-security-formerly-egress/reviews#reviews "Read KnowBe4 Cloud Email Security (Formerly Egress) Reviews") 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:** 53% Mid-Market, 30% Small-Business ![Verified User in Financial Services](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "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](https://www.g2.com/products/knowbe4-cloud-email-security-formerly-egress/reviews/knowbe4-cloud-email-security-formerly-egress-review-3994197) 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](https://www.g2.com/products/knowbe4-cloud-email-security-formerly-egress/reviews/knowbe4-cloud-email-security-formerly-egress-review-6902454) Year Founded 2010 HQ Location Clearwater, FL Company Website https://www.knowbe4.com Twitter @KnowBe4 LinkedIn® Page https://www.linkedin.com/company/2225282/ Ownership NASDAQ: KNBE ### [LuxSci](https://www.g2.com/products/luxsci/reviews) [By LuxSci](https://www.g2.com/sellers/luxsci) [ (83)4.7 out of 5 ](https://www.g2.com/products/luxsci/reviews#reviews "Read LuxSci Reviews") 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 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](https://www.g2.com/products/luxsci/reviews/luxsci-review-6495975) ![Verified User in Computer Software](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "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](https://www.g2.com/products/luxsci/reviews/luxsci-review-6904145) Year Founded 1999 HQ Location Boston, MA Company Website https://luxsci.com Twitter @LuxSci LinkedIn® Page https://www.linkedin.com/company/luxsci/ ### [Kiteworks](https://www.g2.com/products/kiteworks/reviews) [By Kiteworks](https://www.g2.com/sellers/kiteworks) [ (120)4.4 out of 5 ](https://www.g2.com/products/kiteworks/reviews#reviews "Read Kiteworks Reviews") 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:** 25% Small-Business, 21% Enterprise User SentimentHow are these determined? Users frequently mention the platform's robust security features, compliance controls, and seamless integrations with tools like Microsoft Office and Salesforce, which make sharing sensitive data and meeting regulations easier. Users experienced issues with the interface being complex for new users, slow file uploads, and limitations in mobile app usability and customization options. Year Founded 1999 HQ Location Palo Alto, CA Company Website https://www.kiteworks.com/. Twitter @Kiteworks LinkedIn® Page https://www.linkedin.com/company/33337/ Phone 650-485-4300 ### [Encyro](https://www.g2.com/products/encyro/reviews) [By Encyro](https://www.g2.com/sellers/encyro) [ (29)4.7 out of 5 ](https://www.g2.com/products/encyro/reviews#reviews "Read Encyro Reviews") 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 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](https://www.g2.com/products/encyro/reviews/encyro-review-2427663) ![Verified User in Accounting](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Accounting") UA Does what is needed at a great price. It is easy for clients to use. [Read review](https://www.g2.com/products/encyro/reviews/encyro-review-2436865) Year Founded 2013 HQ Location Houston, Texas Company Website https://www.encyro.com/ Twitter @encyroinc LinkedIn® Page https://www.linkedin.com/company/encryo-engineering ### [Canary Mail](https://www.g2.com/products/canary-mail/reviews) [By Canary Mail](https://www.g2.com/sellers/canary-mail) [ (53)4.5 out of 5 ](https://www.g2.com/products/canary-mail/reviews#reviews "Read Canary Mail Reviews") Product Description Canary Mail helps users manage Gmail, Outlook, iCloud, Exchange, and IMAP accounts in one unified inbox across macOS, Windows, iPhone, iPad, and Android. It combines optional AI for writing, summaries **Industries:** Marketing and Advertising, Consulting · **Market Segment:** 85% Small-Business, 9% Mid-Market ![Sutarto S.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "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](https://www.g2.com/products/canary-mail/reviews/canary-mail-review-8314392) 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](https://www.g2.com/products/canary-mail/reviews/canary-mail-review-8368622) Year Founded 2017 HQ Location San Francisco, US Company Website https://canarymail.io Twitter @CanaryMailApp LinkedIn® Page https://www.linkedin.com/company/canary-mail/ ### [INKY Email Security Platform](https://www.g2.com/products/inky-email-security-platform/reviews) [By Kaseya](https://www.g2.com/sellers/kaseya) [ (36)4.1 out of 5 ](https://www.g2.com/products/inky-email-security-platform/reviews#reviews "Read INKY Email Security Platform Reviews") Product Description INKY is the behavioral email security platform that blocks threats, prevents data leaks, and coaches users to make smart decisions. Like a security coach, it signals suspicious behaviors with interact **Industries:** Information Technology and Services · **Market Segment:** 69% Small-Business, 28% Mid-Market User SentimentHow are these determined? Reviewers appreciate INKY's user-friendly approach to email security, its ability to integrate well with Microsoft 365, and its focus on educating users about potential threats through clear visual warnings. Reviewers mentioned that INKY can occasionally flag legitimate emails as suspicious, which requires additional tuning, and that the platform's interface and admin controls can feel limited, particularly when it comes to fine-tuning policies or digging into detailed reports. Year Founded 2000 HQ Location Miami, FL Company Website https://www.kaseya.com/ Twitter @KaseyaCorp LinkedIn® Page https://www.linkedin.com/company/kaseya/ ### [Hornetsecurity 365 Total Protection](https://www.g2.com/products/hornetsecurity-365-total-protection/reviews) [By Hornetsecurity](https://www.g2.com/sellers/hornetsecurity) [ (65)4.6 out of 5 ](https://www.g2.com/products/hornetsecurity-365-total-protection/reviews#reviews "Read Hornetsecurity 365 Total Protection Reviews") 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:** 49% Small-Business, 46% Mid-Market ![Tome M.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "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](https://www.g2.com/products/hornetsecurity-365-total-protection/reviews/hornetsecurity-365-total-protection-review-12452862) ![Leon H.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "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](https://www.g2.com/products/hornetsecurity-365-total-protection/reviews/hornetsecurity-365-total-protection-review-12452878) Year Founded 2007 HQ Location Hannover, DE Company Website https://www.hornetsecurity.com Twitter @Hornetsecurity LinkedIn® Page https://www.linkedin.com/company/hornetsecurity/ ### [PreVeil File Sharing and Email](https://www.g2.com/products/preveil-file-sharing-and-email/reviews) [By PreVeil](https://www.g2.com/sellers/preveil) [ (10)4.5 out of 5 ](https://www.g2.com/products/preveil-file-sharing-and-email/reviews#reviews "Read PreVeil File Sharing and Email Reviews") 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 ![Verified User in Defense & Space](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Defense & Space") AD It's one of the lowest cost solutions for ITAR and CUI compliant cloud storage.[Read review](https://www.g2.com/products/preveil-file-sharing-and-email/reviews/preveil-file-sharing-and-email-review-8215699) 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](https://www.g2.com/products/preveil-file-sharing-and-email/reviews/preveil-file-sharing-and-email-review-9927866) Year Founded 2015 HQ Location Boston, US Company Website https://preveil.com LinkedIn® Page https://www.linkedin.com/company/preveil/ [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments. 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