Best Secure Email Gateway Software - Page 6

How Many Secure Email Gateway Software Products Does G2 Track?

Total Products under this Category: 97

Category Stats (Nov 2026)

  • Average Rating: 4.48/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Microsoft Exchange (+0.16%) - Among all products in this category, Microsoft Exchange recorded the largest rating increase compared to last month

Last updated: November 01, 2026

How Does G2 Rank Secure Email Gateway Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 3,600+ Authentic Reviews
  • 97+ 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 Secure Email Gateway Software

G2 Grid® for Secure Email Gateway Software plotting products by satisfaction and market presence

Highlighted products: Proofpoint Core Email Protection, Paubox, Microsoft Exchange, Mimecast Advanced Email Security, Sophos Email, LibraCyber Email Security, Cloudflare One (SASE), and FortiMail.

Underlying data: [Grid® JSON](https://www.g2.com/categories/secure-email-gateway/grids.json?focus%5B%5D=proofpoint-core-email-protection&focus%5B%5D=paubox&focus%5B%5D=microsoft-microsoft-exchange&focus%5B%5D=mimecast-advanced-email-security&focus%5B%5D=sophos-email&focus%5B%5D=libracyber-email-security&focus%5B%5D=cloudflare-one-sase&focus%5B%5D=fortimail)

modusGate Email Security

A Powerful, On-Premise Email Security Gateway modusGate is a multi-layer anti-spam email filtering gateway harnessing 2 decades of experience. It incorporates state of the art AI through a real-time machine learning engine to effectively identify threats by reputation and advanced statistical models. We integrate layered scanning with Bitdefender and Avira Anti-Virus, providing leading defense against phishing and malware threats. The Protection You Need from Advanced Threats A multiple VBSpam+ award winner, modusGate offers affordable Anti-Spam, Anti-Malware, Targeted Phishing Protection and even our own directQuarantine Outlook Plugin. Its Artificial Intelligence Engine and real-time threat analysis catches over 99.5% of malicious emails with a 0% false positive rate (according to VBSpam tests), while also protecting you from look-alike domains and other popular methods of attack. Microsoft Email Security Solution for Outlook directQuarantine is a Microsoft Outlook plugin Vircom designed to give end-users total visibility and control over their quarantined messages and relieve IT administrators from day-to-day quarantine management. With directQuarantine users can view quarantined messages live, release false positives instantly, and sort and search emails with Outlook’s powerful search capabilities. DirectQuarantine supports MS Outlook 2016, 2013, 2010 and 2007. Reported spam is continually implemented into our algorithms providing updated protection.

Who Is the Company Behind modusGate Email Security?

  • Seller: Vircom
  • Year Founded: 1994
  • HQ Location: Kirkland, CA
  • LinkedIn® Page: www.linkedin.com
    44 employees on LinkedIn®

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OptMsg

Who Is the Company Behind OptMsg?

  • Seller: OptMsg
  • Year Founded: 2023
  • HQ Location: Bloomfield Hills, US
  • LinkedIn® Page: www.linkedin.com
    2 employees on LinkedIn®

Safely Open

Safely Open files, emails and web sites you don't trust

Who Is the Company Behind Safely Open?

Sealit

Sealit protects confidential information. Our password-less Zero Trust encryption allows you to secure all sensitive communication with your team and clients with just one click. Sealit seamlessly integrates with Outlook, Gmail, and your file systems, allowing you to continue working the way you do. Recipients simply use their biometrics to access messages, ensuring that only desired recipients can access confidential information. Sealit is here to protect your most important asset - your data.

Average Rating: 4.9/5.0

Total Reviews: 10

How Do G2 Users Rate Sealit?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.8/10)

Who Is the Company Behind Sealit?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Sealit?

SecuDoc

SecuDoc is secure email and file transfer software that protects against data breaches through encrypted communication channels. The platform includes an Outlook Add-in that enables sending secure emails and attachments directly from the email client, with installation completed in under an hour. The software supports file transfers and integrates with Office 365 for centralized management. SecuDoc Insights enhances data loss prevention by identifying sensitive information in outgoing emails, while AI-powered risk detection flags potential security threats. The platform allows electronic signing of documents such as contracts and agreements. Accessible through an Outlook Add-in or web-based application, SecuDoc maintains compliance with ISO 27001 and NEN 7510 standards. The software addresses email-based data breaches and enables file transfers far beyond standard email limitations.

Who Is the Company Behind SecuDoc?

  • Seller: SecuDoc
  • Year Founded: 2018
  • HQ Location: Arnhem, NL
  • LinkedIn® Page: www.linkedin.com
    5 employees on LinkedIn®

Secure Email

Cloud Maven, Inc's 𝗦𝗲𝗰𝘂𝗿𝗲 𝗘𝗺𝗮𝗶𝗹 brings encrypted email right into Salesforce helping healthcare and compliance-sensitive teams safely send, receive and track sensitive communications from within their CRM. Powered by 𝗣𝗮𝘂𝗯𝗼𝘅, the app provides a native Salesforce experience that combines email encryption, automation and audit tracking. Designed for organizations that manage PHI, PII and regulated communications, Secure Email simplifies secure messaging while maintaining HIPAA compliant email workflows and broader email compliance requirements. 𝗖𝗿𝗲𝗮𝘁𝗲 𝗮𝗻𝗱 𝗦𝗲𝗻𝗱 𝗘𝗻𝗰𝗿𝘆𝗽𝘁𝗲𝗱 𝗘𝗺𝗮𝗶𝗹 𝗗𝗶𝗿𝗲𝗰𝘁𝗹𝘆 𝗳𝗿𝗼𝗺 𝗦𝗮𝗹𝗲𝘀𝗳𝗼𝗿𝗰𝗲 Secure Email allows users to create, send and track secure emails from their Salesforce records, without switching to external portals or disconnected tools.   • Send secure emails and attachments directly from Salesforce   • Maintain complete conversation threads on Salesforce records   • Use dynamic email templates to facilitate faster communication   • Send secure emails to multiple recipients at once   • Supports both encrypted and standard email delivery options The platform makes email encryption feel like regular email for both senders and recipients. 𝗪𝗮𝘆𝘀 𝘁𝗼 𝗦𝗲𝗻𝗱 𝗦𝗲𝗰𝘂𝗿𝗲 𝗘𝗺𝗮𝗶𝗹𝘀 Depending on the recipient’s security needs, Secure Email offers several delivery options: – 𝘿𝙞𝙧𝙚𝙘𝙩–𝙩𝙤–𝙄𝙣𝙗𝙤𝙭 𝘿𝙚𝙡𝙞𝙫𝙚𝙧𝙮   • Encrypted in transit via TLS 1.2+   • Recipient can read, reply directly from their inbox   • No portal logins required for most users - 𝙎𝙚𝙘𝙪𝙧𝙚 𝙋𝙤𝙧𝙩𝙖𝙡 𝘿𝙚𝙡𝙞𝙫𝙚𝙧𝙮 For extremely sensitive communications, Secure Email allows for secure portal access through:   • AES-256 encryption of data at rest   • Multi-Factor Authentication (MFA)   • Secure link-based message access   • Protected viewing and reply workflows This flexibility helps organizations balance usability with the level of security required for protected data. 𝗕𝘂𝗶𝗹𝘁-𝗶𝗻 𝗘𝗺𝗮𝗶𝗹 𝗖𝗼𝗺𝗽𝗹𝗶𝗮𝗻𝗰𝗲 𝗮𝗻𝗱 𝗔𝘂𝗱𝗶𝘁 𝗧𝗿𝗮𝗰𝗸𝗶𝗻𝗴 Secure Email helps organizations maintain strong email security and compliance visibility directly inside Salesforce.   • Real-time delivery and open tracking   • Full audit trail of secure email activity   • Automated logging of sends, deliveries, and encryption events   • Centralized reporting and compliance monitoring   • Delivery status and engagement dashboards Unlike traditional email encryption software, all activity remains connected to Salesforce records for easier auditing and operational visibility. 𝗛𝗜𝗣𝗔𝗔-𝗖𝗼𝗺𝗽𝗹𝗶𝗮𝗻𝘁 𝗘𝗺𝗮𝗶𝗹 𝗳𝗼𝗿 𝗛𝗲𝗮𝗹𝘁𝗵𝗰𝗮𝗿𝗲 𝗧𝗲𝗮𝗺𝘀 Secure Email is purpose-built for healthcare organizations and regulated industries that require HIPAA-compliant email communication. It includes:   • HITRUST CSF Certification   • HIPAA Seal of Compliance   • Secure Handling of PHI and sensitive documents   • Automated encryption workflows   • Secure communication between patients and providers For organizations evaluating the most secure email solutions for healthcare, Secure Email combines enterprise-grade protection with everyday usability 𝗦𝗮𝗹𝗲𝘀𝗳𝗼𝗿𝗰𝗲-𝗡𝗮𝘁𝗶𝘃𝗲 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 Secure Email works natively with Salesforce Flow, Apex, Process Builder and Platform Events, allowing users to automate workflows for sending secured emails. Use Cases for automation include:   • Secure notifications for lab results or uploaded documents   • Automated secure follow-ups   • Bulk encrypted email sending   • Workflow-triggered communications   • Escalation routing for unopened messages Since the platform is 100% Salesforce-native, teams can automate secure communication without introducing external systems or fragmented workflows. 𝗪𝗵𝘆 𝗧𝗲𝗮𝗺𝘀 𝗖𝗵𝗼𝗼𝘀𝗲 𝗦𝗲𝗰𝘂𝗿𝗲 𝗘𝗺𝗮𝗶𝗹 Companies choose Secure Email because they want to:   • Improve email security without increasing complexity   • Replace separate encrypted email portals   • Keep all email correspondence in Salesforce   • Strengthen email compliance processes   • Provide recipients with a good user experience   • Reduce administrative costs associated with secure messaging Secure Email helps businesses simplify encrypted email communication while maintaining the security, compliance, and visibility modern organizations require.

Who Is the Company Behind Secure Email?

  • Seller: Cloud Maven
  • Year Founded: 2015
  • HQ Location: 2450 Atlanta Highway, Suite 1303, Cumming, GA 30040, USA
  • LinkedIn® Page: www.linkedin.com
    24 employees on LinkedIn®

Secure Exchanges

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?

SecureMessage

SecureMessage is a self-hosted email gateway designed to safeguard sensitive communications and ensure robust security for organizations. It provides advanced protection against threats like phishing, malware, and unauthorized access, making it essential for businesses prioritizing data privacy. By integrating seamlessly with platforms such as Microsoft 365, SecureMessage enhances email security without compromising usability or performance. Its customizable features allow organizations to tailor the solution to their needs, ensuring compliance with industry regulations and internal policies. With SecureMessage, businesses maintain control over their email systems, protect confidential information, and foster trust in communications. Whether for small businesses or large enterprises, SecureMessage offers a scalable, efficient way to secure email communications in today’s complex digital landscape.

Who Is the Company Behind SecureMessage?

SendGuard for Outlook

SendGuard for Outlook is an email data protection solution that detects and warns users of potential email threats before emails are sent out. It is used as a risk and compliance solution for outbound emails.

Who Is the Company Behind SendGuard for Outlook?

  • Seller: Standss
  • Year Founded: 1995
  • HQ Location: Suva, FJ
  • LinkedIn® Page: www.linkedin.com
    14 employees on LinkedIn®

SeppMail

Who Is the Company Behind SeppMail?

  • Seller: SeppMail
  • Year Founded: 2015
  • HQ Location: Brunnthal, DE
  • LinkedIn® Page: www.linkedin.com
    15 employees on LinkedIn®

SonicWall Hosted Email Security

Email is the most common threat vector used by cyber criminals. Deploy the cloud-based service that protects your organization from advanced email threats such as targeted phishing attacks, ransomware, business email compromise (BEC) and email fraud. SonicWall solution reduces administrative overhead through easy deployment, management and reporting.

Who Is the Company Behind SonicWall Hosted Email Security?

  • Seller: SonicWall
  • Year Founded: 1991
  • HQ Location: Milpitas, CA
  • LinkedIn® Page: www.linkedin.com
    1,968 employees on LinkedIn®

SpamHero

SpamHero is a professional spam filtering accuracy while lowering the cost to domain and business owners.

Average Rating: 4.8/5.0

Total Reviews: 2

How Do G2 Users Rate SpamHero?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.8/10)

Who Is the Company Behind SpamHero?

  • Seller: Spamhero
  • Year Founded: 2009
  • HQ Location: Henderson, US
  • LinkedIn® Page: www.linkedin.com
    2 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Medium, 50% Small

What Are Recent G2 Reviews of SpamHero?

What Are G2 Users Discussing About SpamHero?

Lauren Worth
LW
Researched and written by Lauren Worth
Updated October 3, 2024