Best Email Security Products in 2026

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)

Security guard management software with iPhone and Android guard apps and flat, published monthly prices.

Key GuardChek features:

Scheduling GPS Clock-In Guard Tour Incident Reports

Visit website paid $449 / Monthly (Starter, up to 25 guards, flat, no per-guard fees) Sponsored

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

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)

All of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool.

Key MxToolBox features:

Ease of Use Comprehensive Tools Speed Free Tier

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

Stop hackers from sending emails from your domain. .

Key PowerDMARC features:

Email Authentication Suite MCP Server Integration Email Deliverability AI Threat Intelligence

freemium $8 / Monthly

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

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

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

A new DMARC monitoring service to help protect your brand from email scammers.

Key DMARC Digests features:

Improved Email Security Comprehensive Insights Automated Reporting Ease of Use

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

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

Key SpamAssassin features:

Open Source Highly Customizable Robust Community Support Effective Spam Detection

Open Source

DMARCLY helps stop email spoofing, phishing, spam, business email compromise, ransomware, and improves email deliverability.

Key DMARCLY features:

Easy Setup Comprehensive Reporting Timely Alerts Customization Options