Best Email Security Products in 2026

Learn about Proofpoint's email security solutions that protect organizations against threats such as email fraud, phishing, spam, bulk email, and viruses.

Key Proofpoint Email Security and Protection features:

Advanced Threat Protection Threat Intelligence URL and Attachment Defense Data Loss Prevention (DLP)

Scan Azure and AWS resources against 621 policy rules. Auto-remediate findings, track compliance frameworks, integrate via API.

Try for free freemium €99.0 / Monthly

Symantec Email Security.cloud provides always-on, inbound and outbound email security against malware, targeted attacks, and advanced threats.

Key Symantec Email Security.cloud features:

Comprehensive Threat Protection Data Loss Prevention (DLP) Ease of Management Cloud-Based Service

We're on a mission to spread DMARC across the globe to make email and the internet safer for all.

Key dmarcian features:

Domain Overview Detail Viewer Source Viewer

paid Free Trial

Barracuda Essentials offers advanced Office 365 security features including email scanning, archiving, backup & recovery, and real-time phishing defense.

Key Barracuda Email Protection features:

Comprehensive Protection Cloud-Based Solution AI and Machine Learning Data Loss Prevention

Barracuda's Email Security Gateway is a powerful antivirus filter specifically designed to identify and eliminate email-borne threats, stopping hazards before they reach the network.

Key Barracuda Email Security Gateway features:

Comprehensive Threat Protection Cloud and On-Premise Options Advanced Filtering Technology Easy Scalability

Cloud Native DMARC.

Key EasyDMARC features:

AI-powered DMARC Report Analyser DMARC, SPF, DKIM cloud management solutions Email source reputation monitoring

Open Source freemium $35.99 / Monthly (2 domains, 100K emails, 3 month data history, 1 user)

Cisco Email Security protects against ransomware, business email compromise, spoofing, and phishing.

Key Cisco Email Security features:

Advanced Threat Protection Cloud and On-Premises Deployment Data Loss Prevention (DLP) Integration with Cisco Security Ecosystem

Cryoserver is an all-in-one email archiving solution that empowers you to preserve your email in a tamper-evident archive, making you transform your data into a useful archive for everyday use.

Key Cryoserver features:

Compliance Storage Optimization Search Capabilities Security

Use this program to "Unspam" your mailbox(es).

Key SpamAssassin features:

Open Source Highly Customizable Robust Community Support Effective Spam Detection

Open Source

The UniFi® Security Gateway extends the UniFi Enterprise System to provide cost-effective, reliable routing and advanced security for your network.

Key Security Gateway features:

Comprehensive Management Performance Security Features Scalability

MailStore Home - A 100% free single-private-user desktop solution.

Key MailStore features:

Cost Compatibility Search Functionality Easy Backup and Restore

A free tool to increase your email's deliverability.

Key Monitor and Implement DMARC features:

Increased Email Security Improved Email Deliverability Brand Protection Visibility and Reporting

Area 1 identifies and prevents advanced socially engineered attacks before they impact your enterprise.

Key Area 1 Security features:

Comprehensive Threat Detection Proactive Defense Mechanism Email Security High Accuracy