Barracuda Email Protection alternatives

At a glance

We list 11 other email security tools as alternatives to Barracuda Email Protection: Abnormal AI, dmarcian, EasyDMARC, Ironscales, Material Security, Mimecast, PowerDMARC, Proofpoint, Red Sift, Sublime Security and Valimail.
dmarcian, PowerDMARC, Sublime Security and Valimail have a free plan.
EasyDMARC, Ironscales, Mimecast and Proofpoint work with Slack, as Barracuda Email Protection does.
Abnormal AI, Material Security and Valimail work with Microsoft 365, as Barracuda Email Protection does.

From each tool's own website and from published reviews. Each tool's page says when its facts were checked.

11 alternatives

Listed alphabetically. A tool is ranked by its reviews once it has 3.

Abnormal AI
Behavioral AI security platform for email, identity, and AI security.
No reviews yet
Choose it over Barracuda Email Protection for: integration with Okta, Microsoft Sentinel or Splunk Enterprise Security.
Integrations shared with Barracuda Email Protection
Microsoft 365, Google Workspace
Main features
Inbound email security, Account takeover protection, AI security mailbox
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dmarcian
Gives internet domain owners control over their email domains with DMARC.
No reviews yet
No checked fact sets it apart from Barracuda Email Protection yet.
Free plan
Yes
Paid plans from
Basic, $24 per month, billed monthly (as of November 14, 2026)
Free trial
30 days
Main features
Alert Central, Detail Viewer, Source Viewer
Security and compliance
SSO
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EasyDMARC
An all-in-one DMARC platform that helps secure communications and stay compliant.
No reviews yet
Choose it over Barracuda Email Protection for: integration with Splunk, Cloudflare or Mailchimp.
Paid plans from
DMARC Plus, $35.99 per month, billed annually (as of November 14, 2026)
Free trial
Yes
Integrations shared with Barracuda Email Protection
Slack
Main features
DMARC monitoring, Managed SPF, DNS management
Security and compliance
SSO
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Ironscales
AI email security that stops phishing and business email compromise.
No reviews yet
Choose it over Barracuda Email Protection for: integration with Microsoft Sentinel, Okta or Splunk.
Free trial
Yes
Platforms
Microsoft 365, Google Workspace, Microsoft Teams
Integrations shared with Barracuda Email Protection
Slack
Main features
Red Teaming Agent, Phishing SOC Agent, Phishing simulation
Security and compliance
GDPR, SSO
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Material Security
Phishing protection, account takeover prevention, and email DLP for Google Workspace and Microsoft 365.
No reviews yet
No checked fact sets it apart from Barracuda Email Protection yet.
Paid plans from
Essentials, $4 per user per month, billed annually, plus a fee based on Shared Drive size (as of November 14, 2026)
Free trial
Yes
Integrations shared with Barracuda Email Protection
Microsoft 365, Google Workspace
Main features
Email security, OAuth security, Account takeover containment
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Mimecast
Mimecast is a cybersecurity and governance platform.
No reviews yet
Choose it over Barracuda Email Protection for: integration with SharePoint or OneDrive.
Plans
Core: Custom, Pro: Custom, Max: Custom (as of November 14, 2026)
Platforms
Mac, Windows, Linux
Integrations shared with Barracuda Email Protection
Slack
Main features
Email and collaboration security, AI security, Data protection
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PowerDMARC
A complete DMARC service for email authentication, deliverability, reputation, and DNS compliance.
No reviews yet
Choose it over Barracuda Email Protection for: integration with Splunk, Microsoft Sentinel or ConnectWise.
Free plan
Yes
Paid plans from
Basic, $8 per month, from $8 for 50,000 emails per month, up to $250 (as of November 14, 2026)
Free trial
15 days
Integrations shared with Barracuda Email Protection
None in common
Main features
Hosted DMARC, DMARC AI Agent, MCP Server
Security and compliance
SOC 2, ISO 27001, GDPR, SSO
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Proofpoint
Agentic security for people, data, and AI, with intent-based protection for every person and AI agent.
No reviews yet
Choose it over Barracuda Email Protection for: integration with Claude.
Integrations shared with Barracuda Email Protection
Slack, Microsoft Teams
Main features
Intent-based threat detection, Account takeover protection, Email fraud defense
Security and compliance
SSO
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Red Sift
Red Sift helps security and IT teams embrace protocols like DMARC, SPF, DKIM and TLS.
No reviews yet
No checked fact sets it apart from Barracuda Email Protection yet.
Free trial
14 days
Main features
DMARC automation, DNS Guardian, Dynamic SPF
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Sublime Security
Agentic email security tailored to your organization.
No reviews yet
Choose it over Barracuda Email Protection for: integration with GitHub.
Free plan
Yes
Integrations shared with Barracuda Email Protection
None in common
Main features
Adaptive detection engine, Autonomous Security Analyst, Autonomous Detection Engineer
Security and compliance
SSO
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Valimail
Automated DMARC, DKIM, and SPF email authentication to stop phishing and spoofing.
No reviews yet
No checked fact sets it apart from Barracuda Email Protection yet.
Free plan
Yes
Plans
Enforce: Custom, Amplify: Custom (as of November 14, 2026)
Integrations shared with Barracuda Email Protection
Microsoft 365, Google Workspace
Main features
Domain monitoring, DMARC enforcement, Instant SPF
Security and compliance
SOC 2, GDPR, HIPAA
Compare with Barracuda Email Protection
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People who moved on from Barracuda Email Protection

From reviews of other tools that say they used Barracuda Email Protection before.

No reviewer has said they switched from Barracuda Email Protection yet.

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At a glance

We list 11 other email security tools as alternatives to Barracuda Email Protection: Abnormal AI, dmarcian, EasyDMARC, Ironscales, Material Security, Mimecast, PowerDMARC, Proofpoint, Red Sift, Sublime Security and Valimail.

dmarcian, PowerDMARC, Sublime Security and Valimail have a free plan.

EasyDMARC, Ironscales, Mimecast and Proofpoint work with Slack, as Barracuda Email Protection does.

Abnormal AI, Material Security and Valimail work with Microsoft 365, as Barracuda Email Protection does.

From each tool's own website and from published reviews. Each tool's page says when its facts were checked.