Best Email Security Software by type
G2 scores products inside each subcategory, against the products they actually compete with. Below are the three highest-scoring products in each type, in the same order as the navigation.
| Rank | Products | Rating | Reviews |
|---|---|---|---|
| 1 | 
Proofpoint Core Email...
Proofpoint Collaboration Security tackles multichannel, multistage attacks with 99.999% detection accuracy. It identifies and remediates advanced... |
4.6/5
|
629 49 in last year |
| 2 | 
Paubox
Paubox is a HIPAA compliant email security platform designed for healthcare organizations. It provides outbound email encryption and AI-powered... |
4.9/5
|
659 236 in last year |
| 3 | 
Microsoft Exchange Server 2019
Microsoft Exchange is a comprehensive email and calendaring solution designed to enhance business communication and collaboration. It offers a... |
4.5/5
|
83 19 in last year |
Showing top 3 of 89 Secure Email Gateway Software products
| Rank | Products | Rating | Reviews |
|---|---|---|---|
| 1 | 
Barracuda Email Protection
Barracuda Email Protection helps organizations of all sizes and industries defend against increasingly sophisticated, frequent, and targeted... |
4.5/5
|
164 143 in last year |
| 2 | 
Acronis Cyber Protect Cloud
Acronis delivers the world’s most complete cyber resilience platform, combining backup, disaster recovery, cybersecurity, RMM, and business... |
4.7/5
|
1,462 267 in last year |
| 3 | 
Adaptive Security
Adaptive is the human security platform for the AI era. AI has fundamentally changed the threat landscape. Deepfakes make social engineering... |
4.9/5
|
136 107 in last year |
Showing top 3 of 104 Cloud Email Security Solutions products
| Rank | Products | Rating | Reviews |
|---|---|---|---|
| 1 |
Proofpoint Core Email...
Proofpoint Collaboration Security tackles multichannel, multistage attacks with 99.999% detection accuracy. It identifies and remediates advanced... |
4.6/5
|
629 49 in last year |
| 2 | 
Check Point Email Security
Check Point Harmony Email & Collaboration, protects enterprise data by preventing targeted attacks on SaaS applications and cloud-based email. |
4.6/5
|
534 31 in last year |
| 3 | 
Microsoft Defender for...
Microsoft Defender for Office 365 is a comprehensive security solution designed to protect organizations from advanced threats targeting email and... |
4.5/5
|
298 13 in last year |
Showing top 3 of 121 Email Anti-spam Software products
| Rank | Products | Rating | Reviews |
|---|---|---|---|
| 1 | 
Proton Mail For Business
Proton Mail for Business is a secure email and calendar solution tailored specifically for small and medium-sized businesses (SMBs). This platform... |
4.6/5
|
495 365 in last year |
| 2 |
Paubox
Paubox is a HIPAA compliant email security platform designed for healthcare organizations. It provides outbound email encryption and AI-powered... |
4.9/5
|
659 236 in last year |
| 3 | 
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... |
4.4/5
|
437 66 in last year |
Showing top 3 of 93 Email Encryption Software products
| Rank | Products | Rating | Reviews |
|---|---|---|---|
| 1 |
Barracuda Email Protection
Barracuda Email Protection helps organizations of all sizes and industries defend against increasingly sophisticated, frequent, and targeted... |
4.5/5
|
164 143 in last year |
| 2 |
Proofpoint Core Email...
Proofpoint Collaboration Security tackles multichannel, multistage attacks with 99.999% detection accuracy. It identifies and remediates advanced... |
4.6/5
|
629 49 in last year |
| 3 |
Check Point Email Security
Check Point Harmony Email & Collaboration, protects enterprise data by preventing targeted attacks on SaaS applications and cloud-based email. |
4.6/5
|
534 31 in last year |
Showing top 3 of 55 Intelligent Email Protection Software products
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Published: 2026-08-25