# Top Free Email Encryption Software - Page 3 ## How Many Email Encryption Software Products Does G2 Track? **Total Products under this Category:** 86 ### Category Stats (Aug 2026) - **Average Rating:** 4.55/5 The average rating of products in this category, based on all submitted ratings - **Top Trending Product:** INKY Email Security Platform (+1.43%) - Among all products in this category, INKY Email Security Platform recorded the largest rating increase compared to last month _Last updated: August 07, 2026_ ## How Does G2 Rank Email Encryption Software Products? **Why You Can Trust G2's Software Rankings:** - 30 Analysts and Data Experts - 4,200+ Authentic Reviews - 86+ Products - Unbiased Rankings G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category. ## G2 Grid® for Email Encryption Software ![G2 Grid® for Email Encryption Software plotting products by satisfaction and market presence](https://www.g2.com/categories/email-encryption/grids.png?focus%5B%5D=13912&focus%5B%5D=25519&focus%5B%5D=3675&focus%5B%5D=30562&focus%5B%5D=112257&focus%5B%5D=66979&focus%5B%5D=61300&focus%5B%5D=84242) Highlighted products: Proton Mail For Business, Paubox, Virtru Email Encryption, Proofpoint Core Email Protection, Check Point Email Security, Proofpoint Email Encryption, FTAPI, and SendSafely. Underlying data: [Grid® JSON](https://www.g2.com/categories/email-encryption/grids.json?focus%5B%5D=proton-mail-for-business&focus%5B%5D=paubox&focus%5B%5D=virtru-email-encryption&focus%5B%5D=proofpoint-core-email-protection&focus%5B%5D=check-point-email-security&focus%5B%5D=proofpoint-email-encryption&focus%5B%5D=ftapi&focus%5B%5D=sendsafely) **Sponsored** ### Barracuda Email Protection Barracuda Email Protection helps organizations of all sizes and industries defend against increasingly sophisticated, frequent, and targeted attacks, including phishing, ransomware, business email compromise (BEC), and other threats. Email remains the top attack vector, and securing it has become an urgent priority, especially as cybercriminals leverage AI to improve and scale their attacks.     Barracuda Email Protection defends against all types of email threats with a multi-layered approach that includes both pre- and post-delivery defenses, as well as tools to enhance user security awareness and education. It combines AI-powered threat prevention and detection, automated incident response, DMARC reporting, and much more.   [Visit website](https://www.g2.com/external_clickthroughs/record?secure%5Bad_program%5D=ppc&secure%5Bad_slot%5D=category_product_list_llm&secure%5Bcategory_id%5D=1627&secure%5Bchosen_at%5D=2026-08-09T11%3A04%3A56Z&secure%5Bdisplayable_resource_id%5D=1627&secure%5Bdisplayable_resource_type%5D=Category&secure%5Bmedium%5D=sponsored&secure%5Bplacement_reason%5D=page_category&secure%5Bplacement_resource_ids%5D%5B%5D=1627&secure%5Bprioritized%5D=false&secure%5Bproduct_id%5D=1456607&secure%5Bresource_id%5D=1627&secure%5Bresource_type%5D=Category&secure%5Bsource_type%5D=category_page&secure%5Bsource_url%5D=https%3A%2F%2Fwww.g2.com%2Fcategories%2Femail-encryption%2Ffree%3Fcategory_id%3Demail-encryption%26locale%3Dde%26page%3D3&secure%5Btoken%5D=2d36bb411e1e92db7c5cea490a26b58dea1f4da5637d78a7cf4c9ba21d7669f1&secure%5Burl%5D=https%3A%2F%2Fwww.barracuda.com%2Fproducts%2Femail-protection%2Fintegrated-email-protection%3Futm_source%3Dg2%26utm_medium%3Dcpc%26utm_campaign%3DB%3ADG%7CTH%3A%7CR%3A%7CPS%3AEP%7CP%3A%7CPL%3AG2%7CC%3ASP%7CTY%3AP%7CICP%3A%7CL%3AEN%7CA%3A%7CN%3A%7C%26utm_adgroup%3DB%3ADG%7CTH%3A%7CR%3A%7CPS%3AEP%7CP%3A%7CPL%3AG2%7CC%3ASP%7CTY%3AP%7CICP%3A%7CL%3AEN%7CA%3A%7CN%3A%7CT%3A%7C&secure%5Burl_type%5D=custom_url) ### [Secure Exchanges](https://www.g2.com/products/secure-exchanges/reviews) Secure Exchanges is a Canadian cybersecurity company founded to address the growing need for secure digital communications in Canada and internationally. The company develops and operates a cloud platform dedicated to protecting sensitive data exchanges. Its solutions serve businesses, professional firms, financial institutions, government agencies, and healthcare organizations that need to safeguard the confidentiality of their daily communications. The platform is available in English and French. The platform offers three core capabilities: end-to-end encrypted email, secure large file transfer supporting files up to 25 GB, and Adobe AATL-certified digital signatures. All communications are protected by AES 256 encryption and a zero-knowledge architecture, meaning neither Secure Exchanges nor any third party can access exchanged data or encryption keys. The solution integrates directly into Outlook and Gmail as a plugin, requires no IT team for deployment, and allows recipients to receive and reply securely without a license. Secure Exchanges addresses a critical challenge for organizations subject to confidentiality requirements: securing sensitive data exchanges without adding complexity to existing workflows. By integrating into the email tools already in use, the platform eliminates the friction typically associated with encrypted communications. Compliance with Quebec's Law 25 and the European GDPR, combined with SOC 2 Type II certification, enables organizations to meet their regulatory obligations for personal information protection and data security. #### Who Is the Company Behind Secure Exchanges? - **Seller:** [Secure Exchanges](https://www.g2.com/sellers/secure-exchanges) - **Year Founded:** 2015 - **HQ Location:** Drummondville, CA - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=1680fb5e689d0865a43721de325c1def59319a70dbf0f7876a1e139e810d4bc4&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fsecure-exchanges%2F&secure%5Burl_type%5D=linkedin_company_website) 12 employees on LinkedIn® ### [StartMail](https://www.g2.com/products/startmail/reviews) StartMail is a privacy-focused email service that offers secure and private email communication. It provides users with encryption options, both for sending emails and for storing data. StartMail ensures that emails are not scanned for advertising purposes, as commonly done by free email services. It also offers features like disposable email addresses to enhance anonymity and protect users from spam. The service is built by the creators of Startpage, a privacy-oriented search engine, and it is aimed at individuals and businesses looking for more control over their email security and privacy. #### Who Is the Company Behind StartMail? - **Seller:** [StartMail BV](https://www.g2.com/sellers/startmail-bv) - **Year Founded:** 2012 - **HQ Location:** The Hague, NL - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=11144708c60eecfaed441b2559d7de5ace3608739799f9b69468204ab74808db&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fstartmail-bv&secure%5Burl_type%5D=linkedin_company_website) 12 employees on LinkedIn® ### [The Data Krypter](https://www.g2.com/products/the-data-krypter/reviews) The easy way to keep your data secure well into the future when quantum computers become mainstream. -encrypts files, folders and blocks of text -when encrypting a file/folder, you can: - -give the file/folder a random name - -securely erase the original -makes your data useless to an attacker in case you are ever a victim of ransomware. But you need to prepare ahead of time by encrypting your sensitive files. Then the attacker cannot: - -use your data or - -threaten to make your files public -you can receive encrypted files from someone else and only one of you needs to have a paid version (or a non-expired trial version) of the Data Krypter. i.e. an accountant or lawyer pays for the software and all their clients can send encrypted files with a trial version (even if it has expired). -even if someone has access to your computer they can't decrypt your files because your: - -master password is encrypted - -private keys are encrypted - -secret keys are encrypted (stored only to help recover keys). -recovery any lost keys or master password with the Data Recovery module \<== NEW -symmetric encryption (the same secret key to encrypt and decrypt) using PERNG -asymmetric encryption (public/private keys) using NTRU-2x2 -both types of encryption are quantum proof -send encrypted emails by encrypting the text then pasting it into an email -no back door #### Who Is the Company Behind The Data Krypter? - **Seller:** [Nuverb Systems](https://www.g2.com/sellers/nuverb-systems-f1c0bb84-9146-4f7a-a1ed-45d9959ef5e9) - **HQ Location:** Toronto, CA - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=5eda05911caa2d1524f8ba662f17fc569dae3d3c36d7d2af7ec12efadb66ddb8&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fnuverb-systems-inc.%2Fabout%2F&secure%5Burl_type%5D=linkedin_company_website) 1 employees on LinkedIn® - [‹ Prev‹ Prev](/de/categories/email-encryption/free?category_id=email-encryption&order=g2_score&page=2#product-list) - [1](/de/categories/email-encryption/free?category_id=email-encryption&order=g2_score#product-list) - [2](/de/categories/email-encryption/free?category_id=email-encryption&order=g2_score&page=2#product-list) - 3 - Next ›Next › Spotlight Categories [E-Commerce Platforms](https://www.g2.com/categories/e-commerce-platforms) [Mobile Device Management (MDM) Software](https://www.g2.com/categories/mobile-device-management-mdm) [Help Desk Software](https://www.g2.com/categories/help-desk) [Restaurant POS Systems](https://www.g2.com/categories/restaurant-pos) [Network Monitoring Software](https://www.g2.com/categories/network-monitoring) Similar Categories - [Secure Email Gateway](/categories/secure-email-gateway) - [Cloud Email Security](/categories/cloud-email-security) - [Email Anti-spam](/categories/email-anti-spam) - [Intelligent Email Protection](/categories/intelligent-email-protection) [Browse Email Encryption Themes](/categories/email-encryption/themes)