# Top Free Secure Email Gateway Software Check out our list of free Secure Email Gateway 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 [Secure Email Gateway Software](https://www.g2.com/categories/secure-email-gateway) to ensure you get the right product. ## View Free Secure Email Gateway 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). **23** Secure Email Gateway Products Available View all [Secure Email Gateway Software](https://www.g2.com/categories/secure-email-gateway) View all [Secure Email Gateway Software](https://www.g2.com/categories/secure-email-gateway) ### [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 ### [Paubox](https://www.g2.com/products/paubox/reviews) [By Paubox](https://www.g2.com/sellers/paubox) [ (600)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/ [![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) ### [Mimecast Advanced Email Security](https://www.g2.com/products/mimecast-advanced-email-security/reviews) [By Mimecast](https://www.g2.com/sellers/mimecast) [ (320)4.4 out of 5 ](https://www.g2.com/products/mimecast-advanced-email-security/reviews#reviews "Read Mimecast Advanced Email Security Reviews") Product Description Email Security, Cloud Integrated (CI) protects organizations against all forms of email-based attacks, from phishing and credential theft to ransomware and zero-day threats. This solution deploys behi **Users:** IT Manager, Systems Administrator · **Industries:** Legal Services, Information Technology and Services · **Market Segment:** 68% Mid-Market, 17% Enterprise ![Kapil B.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Kapil B.") KB The best part about Mimecast is its expertise and years of experience in the domain of email security. It also bundles many more features along...[Read review](https://www.g2.com/products/mimecast-advanced-email-security/reviews/mimecast-advanced-email-security-review-9427246) DS With the guided help of an implemenation engineer, Mimecast Advanced Email Security was hassle free to implement along side of O365. The product...[Read review](https://www.g2.com/products/mimecast-advanced-email-security/reviews/mimecast-advanced-email-security-review-9809324) Year Founded 2003 HQ Location London Company Website https://www.mimecast.com/ Twitter @Mimecast LinkedIn® Page https://www.linkedin.com/company/mimecast/ Ownership NASDAQ: MIME ### [SpamTitan Email Security](https://www.g2.com/products/spamtitan-email-security/reviews) [By CyberSentriq](https://www.g2.com/sellers/cybersentriq-d38aeb75-bc88-459b-a2d2-16ccbed4d6c5) [ (199)4.5 out of 5 ](https://www.g2.com/products/spamtitan-email-security/reviews#reviews "Read SpamTitan Email Security Reviews") Product Description SpamTitan Email Security identifies and prevents email spam, viruses via email, malware, malicious links, phishing attacks, spoofing and other email borne malicious threats. We provide advanced email **Users:** IT Manager, CEO · **Industries:** Information Technology and Services, Construction · **Market Segment:** 52% Small-Business, 45% Mid-Market AH The cost of this solution is great. 2 Factor Authentication helps keep your account safe. Sandbox protection, which is included and protects...[Read review](https://www.g2.com/products/spamtitan-email-security/reviews/spamtitan-email-security-review-4575004) D The SpamTitan solution, like all TitanHQ products, is simple to set up and up and running in minutes, both OnPrem and Cloud. It is also possible to...[Read review](https://www.g2.com/products/spamtitan-email-security/reviews/spamtitan-email-security-review-4771068) Year Founded 2025 HQ Location Galway ,Galway Company Website https://cybersentriq.com Twitter @Redstor LinkedIn® Page https://www.linkedin.com/company/cybersentriq/ ### [Libraesva Email Security](https://www.g2.com/products/libraesva-email-security/reviews) [By Libraesva](https://www.g2.com/sellers/libraesva) [ (105)4.8 out of 5 ](https://www.g2.com/products/libraesva-email-security/reviews#reviews "Read Libraesva Email Security Reviews") Product Description Protect your business from disruption, financial loss and reputational damage. Libraesva Email Security stops known and emerging email threats from reaching their target, so you only receive legiti **Users:** IT Manager · **Industries:** Information Technology and Services, Computer & Network Security · **Market Segment:** 47% Mid-Market, 34% Small-Business ![Verified User in Non-Profit Organization Management](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Non-Profit Organization Management") AN Easy, fast, very effective at best price. And guys of support are fast and very competent[Read review](https://www.g2.com/products/libraesva-email-security/reviews/libraesva-email-security-review-11356452) ![Michele F.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Michele F.") MF LibraEsva has been an indispensable software for our company for several years. It does an extraordinary job of keeping our employees' inboxes...[Read review](https://www.g2.com/products/libraesva-email-security/reviews/libraesva-email-security-review-11484583) Year Founded 2013 HQ Location Italy Company Website https://www.libraesva.com LinkedIn® Page https://www.linkedin.com/company/libraesva/ ### [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/ ### [Cloudflare One (SASE)](https://www.g2.com/products/cloudflare-one-sase/reviews) [By Cloudflare, Inc.](https://www.g2.com/sellers/cloudflare-inc) [ (105)4.6 out of 5 ](https://www.g2.com/products/cloudflare-one-sase/reviews#reviews "Read Cloudflare One (SASE) Reviews") Product Description Cloudflare One is a single-vendor secure access service edge (SASE) platform that converges security and networking services into a unified, global connectivity cloud. It replaces legacy, fragmented h **Industries:** Information Technology and Services, Computer & Network Security · **Market Segment:** 37% Small-Business, 34% Mid-Market ![Verified User in Business Supplies and Equipment](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Business Supplies and Equipment") UB Cloudflare One impresses with its security and performance enhancements. It's user-friendly and reliable, and the remote work support is...[Read review](https://www.g2.com/products/cloudflare-one-sase/reviews/cloudflare-one-sase-review-8716344) ![Marcus T.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Marcus T.") MT Love the advanced DNS management tools Cloudflare provides and its very eas to learn and use. It also stands out a premier SSE solution due to its...[Read review](https://www.g2.com/products/cloudflare-one-sase/reviews/cloudflare-one-sase-review-9376714) Year Founded 2009 HQ Location San Francisco, California Company Website https://www.cloudflare.com Twitter @Cloudflare LinkedIn® Page https://www.linkedin.com/company/407222/ Ownership NYSE: NET ### [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 ### [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/ ### [Security Gateway](https://www.g2.com/products/mdaemon-technologies-security-gateway/reviews) [By MDaemon Technologies](https://www.g2.com/sellers/mdaemon-technologies-7f262fab-7ecc-43c0-b150-624f5ec008c6) [ (35)4.6 out of 5 ](https://www.g2.com/products/mdaemon-technologies-security-gateway/reviews#reviews "Read Security Gateway Reviews") Product Description SecurityGateway™ protects all email platforms, including Microsoft Exchange, Microsoft 365, and others. Let our team of email security experts take the headache out of managing your company's email se **Market Segment:** 51% Small-Business, 31% Mid-Market ![Verified User in Telecommunications](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Telecommunications") IT - Ease of deployment and Setup - The comfort of using and sending emails without considering any possible threat - Anti Spam and filtration...[Read review](https://www.g2.com/products/mdaemon-technologies-security-gateway/reviews/security-gateway-review-1915733) GS Security Gateway off curse very effective security filter in between our email server and end users that filters the emails and send the only that...[Read review](https://www.g2.com/products/mdaemon-technologies-security-gateway/reviews/security-gateway-review-2101803) Year Founded 1996 HQ Location Grapevine, TX Company Website https://mdaemon.com/ Twitter @MDaemon\_Email LinkedIn® Page https://www.linkedin.com/company/mdaemon-technologies ### [N-able Mail Assure](https://www.g2.com/products/n-able-mail-assure/reviews) [By N-able](https://www.g2.com/sellers/n-able) [ (68)4.0 out of 5 ](https://www.g2.com/products/n-able-mail-assure/reviews#reviews "Read N-able Mail Assure Reviews") Product Description N-able™ Mail Assure is cloud-based email security helps you and your customers stay in control and protect inbound and outbound email using collective threat intelligence, 24/7 email continuity, and l **Industries:** Information Technology and Services, Computer & Network Security · **Market Segment:** 69% Small-Business, 24% Mid-Market ![Verified User in Information Technology and Services](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Information Technology and Services") AI It's priced really well compared to a lot of the competition and cuts out a lot of complicated features that many users simply do not need[Read review](https://www.g2.com/products/n-able-mail-assure/reviews/n-able-mail-assure-review-2049168) ![Verified User in Legal Services](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Legal Services") EL Versatility of products and available options to reach the required solution. Integration with existing vendors for a turnkey solution is paramount...[Read review](https://www.g2.com/products/n-able-mail-assure/reviews/n-able-mail-assure-review-2049247) HQ Location Morrisville, North Carolina Company Website https://www.n-able.com Twitter @Nable LinkedIn® Page https://www.linkedin.com/company/n-able Ownership NYSE: NABL ### [Barracuda Email Gateway Defense](https://www.g2.com/products/barracuda-email-gateway-defense/reviews) [By Barracuda](https://www.g2.com/sellers/barracuda) [ (39)4.2 out of 5 ](https://www.g2.com/products/barracuda-email-gateway-defense/reviews#reviews "Read Barracuda Email Gateway Defense Reviews") Product Description In today’s complex cyber-threat environment, you need an email security solution that delivers comprehensive security against sophisticated attacks while also being easy to deploy, configure, and mana **Industries:** Hospital & Health Care, Information Technology and Services · **Market Segment:** 59% Mid-Market, 26% Enterprise ![Obaib E.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Obaib E.") OE The SaaS of barracuda is great, because a big company or bank like BBVA can archive all emails, files, contracts in one tool that provide good...[Read review](https://www.g2.com/products/barracuda-email-gateway-defense/reviews/barracuda-email-gateway-defense-review-1854468) ![Verified User in Consumer Goods](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Consumer Goods") UC I love the daily emails showing the emails that have been scanned and are awaiting my disposition.[Read review](https://www.g2.com/products/barracuda-email-gateway-defense/reviews/barracuda-email-gateway-defense-review-3721925) Year Founded 2002 HQ Location Campbell, CA Company Website https://www.barracuda.com Twitter @Barracuda LinkedIn® Page https://www.linkedin.com/company/barracuda-networks/ Ownership Private ### [Kiteworks](https://www.g2.com/products/kiteworks/reviews) [By Kiteworks](https://www.g2.com/sellers/kiteworks) [ (121)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 ### [Phish Protection by DuoCircle](https://www.g2.com/products/phish-protection-by-duocircle/reviews) [By DuoCircle LLC](https://www.g2.com/sellers/duocircle-llc) [ (46)4.7 out of 5 ](https://www.g2.com/products/phish-protection-by-duocircle/reviews#reviews "Read Phish Protection by DuoCircle Reviews") Product Description Phish Protection Email Security with Advanced Threat Protection, is a cloud-based email protection suite for your businesses - that stops phishing attacks, malware, ransomware, viruses via email, mali **Industries:** Computer & Network Security, Information Technology and Services · **Market Segment:** 63% Small-Business, 33% Mid-Market ![Verified User in Consumer Services](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Consumer Services") AC They are so easy to work with! They have 24/7 customer support, and it is fantastic. The rep bent over backward, trying to find personalized...[Read review](https://www.g2.com/products/phish-protection-by-duocircle/reviews/phish-protection-by-duocircle-review-4733804) ![Robert S.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Robert S.") RS My initial sales rep was beyond amazing. I appreciate the guidance in setting up and explaining all of the features.[Read review](https://www.g2.com/products/phish-protection-by-duocircle/reviews/phish-protection-by-duocircle-review-5167812) Year Founded 2014 HQ Location San Diego, CA Company Website https://www.duocircle.com/ Twitter @duocirclellc LinkedIn® Page https://www.linkedin.com/company/duocircle/about ### [VIPRE Integrated Email Security](https://www.g2.com/products/vipre-integrated-email-security/reviews) [By VIPRE Security](https://www.g2.com/sellers/vipre-security) [ (39)4.4 out of 5 ](https://www.g2.com/products/vipre-integrated-email-security/reviews#reviews "Read VIPRE Integrated Email Security Reviews") Product Description Todays zero-day threats, polymorphic malware and weaponized attachments demand a sophisticated multi-layered approach to keep businesses safe. VIPRE Email Security and suite of add-on solutions, del **Users:** IT Manager · **Industries:** Information Technology and Services · **Market Segment:** 49% Mid-Market, 44% Small-Business ![Verified User in Automotive](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Automotive") AA Removes the headache of having to manage on-prem spam filter.[Read review](https://www.g2.com/products/vipre-integrated-email-security/reviews/vipre-integrated-email-security-review-4878575) RW You can call support and get a real person. Whether or not they know what they are talking about that is the question! It's a mixed bag as always.[Read review](https://www.g2.com/products/vipre-integrated-email-security/reviews/vipre-integrated-email-security-review-4881235) Year Founded 1994 HQ Location Clearwater, FL Company Website https://www.VIPRE.com Twitter @VIPRESecurity LinkedIn® Page https://www.linkedin.com/company/11052300/ [![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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