Best Intelligent Email Protection Software for Small Business - Page 2

How Many Intelligent Email Protection Software Products Does G2 Track?

Total Products under this Category: 56

Category Stats (Nov 2026)

  • Average Rating: 4.45/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Darktrace / EMAIL (+0.19%) - Among all products in this category, Darktrace / EMAIL recorded the largest rating increase compared to last month

Last updated: November 02, 2026

How Does G2 Rank Intelligent Email Protection Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 3,900+ Authentic Reviews
  • 56+ 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 Intelligent Email Protection Software

G2 Grid® for Intelligent Email Protection Software plotting products by satisfaction and market presence

Highlighted products: Barracuda Email Protection, Check Point Email Security, Mimecast Advanced Email Security, Hornetsecurity 365 Total Protection, LibraCyber Email Security, IRONSCALES, Microsoft Defender for Office 365, and Varonis Interceptor.

Underlying data: [Grid® JSON](https://www.g2.com/categories/intelligent-email-protection/grids.json?focus%5B%5D=barracuda-barracuda-email-protection&focus%5B%5D=check-point-email-security&focus%5B%5D=mimecast-advanced-email-security&focus%5B%5D=hornetsecurity-365-total-protection&focus%5B%5D=libracyber-email-security&focus%5B%5D=ironscales&focus%5B%5D=microsoft-microsoft-defender-for-office-365&focus%5B%5D=varonis-interceptor&segment=small-business)

Virtru Email Encryption

Secure data directly from your inbox with Virtru. Users can easily encrypt emails and attachments with just one click, protecting sensitive data such as personally identifiable information (PII), intellectual property, and other regulated information. Seamlessly integrating with platforms like Gmail and Microsoft Outlook, Virtru empowers organizations to meet compliance requirements for HIPAA, GDPR, CJIS, CMMC 2.0, ITAR and other data privacy regulations, without disrupting existing workflows. Virtru provides full control over email content even after it’s been sent. Users can set expiration dates, revoke access, and track where emails are shared, ensuring total visibility and control over sensitive information. With granular access control and audit trails, Virtru simplifies data protection for enterprises and small businesses alike. Ideal for industries such as healthcare, financial services, government, and education, Virtru empowers your teams to confidently share sensitive information without sacrificing security.

Average Rating: 4.4/5.0

Total Reviews: 434

How Do G2 Users Rate Virtru Email Encryption?

  • Has the product been a good partner in doing business?: 8.9/10 (Category avg: 9.3/10)
  • Activity Monitoring: 9.2/10 (Category avg: 8.9/10)
  • Intelligence Reporting: 8.9/10 (Category avg: 8.9/10)
  • Policy Enforcement: 9.3/10 (Category avg: 8.8/10)

Who Is the Company Behind Virtru Email Encryption?

  • Seller: Virtru
  • Company Website:
  • Year Founded: 2012
  • HQ Location: Washington, DC
  • LinkedIn® Page: www.linkedin.com
    266 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Office Manager, Administrative Assistant
  • Top Industries: Hospital & Health Care, Health, Wellness and Fitness
  • Company Size: 45% Medium, 38% Small

What Do G2 Reviewers Say About Virtru Email Encryption?

AI-generated summary from verified user reviews

Pros
  • Users find Virtru Email Encryption extremely easy to use, appreciating its simple setup and seamless integration into their workflow.
  • Users appreciate the security and ease of use of Virtru Email Encryption, ensuring confidential communications effortlessly.
  • Users find Virtru Email Encryption incredibly easy to use, ensuring smooth communication and confidentiality without hassle.
  • Users praise Virtru Email Encryption for its ease of use, making secure emailing simple and efficient.
  • Users appreciate the secure communication of Virtru Email Encryption, ensuring confidentiality and ease of use for sensitive information.
Cons
  • Users face email issues with Virtru, such as difficulties changing sender email and messages not sending after encryption.
  • Users experience email encryption issues with Virtru, including message delivery failures and attachment size limitations.
  • Users face access issues with Virtru, often needing to reactivate or navigate complex steps for email access.
  • Users face encryption issues with Virtru, experiencing message delivery problems and challenges with client accessibility.
  • Users express frustration over access limitations, finding it difficult to switch accounts and use the app seamlessly.

What Are Recent G2 Reviews of Virtru Email Encryption?

What Are G2 Users Discussing About Virtru Email Encryption?

IronVest InboxGuard

IronVest InboxGuard, previously "Retruster", is the only AI-powered anti-phishing solution that delivers security training both contextually and in real-time on actual phishing emails that your organization might receive. We layer our solution with an immersive security training program that offers consistently updated, relevant, and highly engaging content that is specifically designed to change employee behavior and promote a strong security culture throughout your enterprise.

Average Rating: 4.8/5.0

Total Reviews: 24

How Do G2 Users Rate IronVest InboxGuard?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 9.3/10)
  • Activity Monitoring: 9.6/10 (Category avg: 8.9/10)
  • Intelligence Reporting: 8.8/10 (Category avg: 8.9/10)
  • Policy Enforcement: 8.1/10 (Category avg: 8.8/10)

Who Is the Company Behind IronVest InboxGuard?

Who Uses This Product?

  • Company Size: 67% Small, 29% Medium

What Are Recent G2 Reviews of IronVest InboxGuard?

What Are G2 Users Discussing About IronVest InboxGuard?

Email Security For Office 365

Constant Edge's Email Security for Office 365 is a comprehensive solution designed to protect organizations using Microsoft's cloud email platform from advanced email threats. By integrating seamlessly with Office 365, it offers multi-layered security measures to safeguard users against phishing, malware, and other malicious activities. Key Features and Functionality: - Multi-layered Email Security: Employs enterprise-grade protection at both the email gateway and inbox levels, utilizing machine learning algorithms to detect and block threats. - Secure Email Encryption: Automatically encrypts sensitive email data to prevent unauthorized access during transmission. - Advanced Threat Protection: Provides targeted defense against malicious URLs and attachments through industry-leading sandboxing technologies. - Email Archiving: Securely stores all internal and external communications for up to 10 years, facilitating quick and easy searches to meet legal compliance requirements. - Automated Incident Response: Enables automatic responses to employee-reported emails, with single-click rapid remediation capabilities for administrators. - Advanced Threat Assessment: Detects and removes email threats up to 90 days after delivery, protecting against dormant threats in user inboxes. Primary Value and User Solutions: This solution addresses the critical need for robust email security within Office 365 environments by providing: - Enhanced Protection: Safeguards users from sophisticated email threats, reducing the risk of data breaches and financial loss. - Regulatory Compliance: Ensures organizations meet legal and industry standards through secure email archiving and encryption. - Operational Continuity: Maintains uninterrupted email access and functionality, even during potential outages or attacks. - Simplified Management: Offers easy deployment and management, allowing IT teams to efficiently oversee email security without extensive training. By implementing Constant Edge's Email Security for Office 365, organizations can significantly enhance their email security posture, ensuring the safety and integrity of their communications.

Average Rating: 4.4/5.0

Total Reviews: 29

How Do G2 Users Rate Email Security For Office 365?

  • Has the product been a good partner in doing business?: 8.0/10 (Category avg: 9.3/10)
  • Activity Monitoring: 9.3/10 (Category avg: 8.9/10)
  • Intelligence Reporting: 8.2/10 (Category avg: 8.9/10)
  • Policy Enforcement: 9.0/10 (Category avg: 8.8/10)

Who Is the Company Behind Email Security For Office 365?

Who Uses This Product?

  • Top Industries: Information Technology and Services
  • Company Size: 52% Small, 34% Medium

What Do G2 Reviewers Say About Email Security For Office 365?

AI-generated summary from verified user reviews

Pros
  • Users value the alerts for phishing risks that enhance email safety and provide crucial guidance.
  • Users find cost efficiency appealing with Email Security for Office 365, especially when paired with a business premium.
  • Users find the ease of use of Email Security For Office 365 beneficial for identifying phishing threats effectively.
  • Users value the phishing protection that intelligently classifies emails and educates on identifying threats effectively.
Cons
  • Users find the difficult training required for Email Security For Office 365 to be a challenge before managing it effectively.
  • Users experience email classification issues, with some messages not flagged and others misclassified by the system.
  • Users experience poor detection as emails are sometimes misclassified or bypass security without being flagged.

What Are Recent G2 Reviews of Email Security For Office 365?

Lauren Worth
LW
Researched and written by Lauren Worth
Updated