Best Vade for Microsoft 365 Alternatives ranked by AI · updated Aug 2026

Vade for Microsoft 365 is a cloud-based email security service that protects Microsoft 365 mailboxes from phishing, malware, spam, and business email compromise. It combines machine-learning detection with post-delivery remediation and user-focused threat reporting for organizations and managed service providers.

Developer: Vade, a Hornetsecurity company Price: N/A 🎯 vadesecure.com/en/dedicated-email-security-for-o365

🔒 Email Security Cloud Security Anti-Phishing Microsoft 365

Top 6 Vade for Microsoft 365 alternatives

Microsoft Defender for Office 365

Microsoft

💡 Pick it for the deepest Microsoft 365 integration and advanced investigation without adding a separate security vendor.

Microsoft Defender for Office 365 is a cloud email security service for Microsoft 365 organizations. It adds anti-spam, anti-malware, phishing protection, Safe...

Pros

Deep integration with Exchange Online, Outlook, and Microsoft 365 administration
Includes strong phishing investigation and automated response features
Usually more cost-effective for organizations already licensed for Microsoft 365

Cons

Less suitable for organizations not using Microsoft 365
Administration is more complex than dedicated gateway filters
Some advanced protections require higher-priced plans

From $2/user/mo

Alternatives to Microsoft Defender... → Visit site

Mimecast Email Security

💡 Choose it when you need email security plus continuity, archiving, and support for mixed mail environments.

Mimecast Email Security offers email protection against advanced threats, spam, and data leaks, with continuity features for email availability.

Pros

Robust threat protection
Email continuity features

Cons

Complex setup process for some users

Contact for pricing

Alternatives to Mimecast Email Sec... →

Proofpoint Essentials

Proofpoint

💡 Pick it for strong SMB-focused phishing and impersonation protection with optional continuity and archiving.

Proofpoint Essentials is a cloud email-security service for small and midsize businesses and their service providers. It provides spam, malware, phishing, impersonation,...

Pros

Offers stronger phishing and impersonation protection than basic gateways
Includes business continuity and archiving options on eligible plans
Backed by Proofpoint's broader threat-intelligence ecosystem

Cons

Typically costs more than simpler hosted spam-filtering services
Plan structure can make feature comparisons difficult
Advanced administration may be excessive for very small teams

Quote-based

Alternatives to Proofpoint Essenti... → Visit site

Check Point Harmony Email & Collaboration

Check Point Software Technologies

💡 Choose it for API-based deployment and protection across Microsoft 365, Google Workspace, and collaboration apps.

Check Point Harmony Email & Collaboration protects Microsoft 365 and other cloud collaboration environments from phishing, malware, account takeover, and malicious file...

Pros

Covers email and collaboration applications beyond the mail gateway
Strong sandboxing and threat-intelligence capabilities
Can remediate threats after delivery

Cons

Product packaging and licensing can be difficult to compare
Some integrations and workflows require Check Point expertise
May provide more platform breadth than smaller teams need

N/A

Alternatives to Check Point Harmon... → Visit site

Barracuda Email Protection

Barracuda Networks

💡 Pick it when Microsoft 365 email protection, backup, archiving, and awareness are needed from one vendor.

Barracuda Email Protection is a cloud service for filtering spam, malware, phishing, and impersonation threats in business email. It also provides email...

Pros

Combines gateway filtering with continuity and archiving options
Supports Microsoft 365, Google Workspace, and other mail environments
Provides approachable administration for many SMB and mid-market teams

Cons

Advanced features are split across product packages
Threat investigation is less unified than Microsoft-native protection
Pricing generally requires a reseller or sales quote

Quote-based

Alternatives to Barracuda Email Pr... → Visit site

Sophos Email

Sophos

💡 Choose it if your organization already uses Sophos and wants centralized email and endpoint security management.

Sophos Email is a cloud-managed email security service for businesses using Microsoft 365, Google Workspace, or hosted mail infrastructure. It provides anti-spam,...