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Mimecast Advanced Email Security Reviews & Insights

Score8.6 out of 10

196 Reviews and Ratings

Who buys & uses Mimecast Advanced Email Security

Insights from Mimecast Advanced Email Security

Synthesised from 54 verified reviews.


Synthesised from 54 reviews | Last Published April 23, 2026


This product overview synthesizes 54 recent reviews of Mimecast Advanced Email Security, focusing on overall satisfaction, competitive alternatives, and integrations with other software. Mimecast Advanced Email Security is primarily praised for its robust security features against email-borne threats. A significant portion of users, 24%, specifically highlight its impersonation protection capabilities, while 22% value its URL/link protection. Attachment protection is also a frequently cited benefit, noted by 20% of reviewers. The platform also provides effective spam and phishing protection, mentioned by 19% and 17% of reviewers respectively. Beyond security, 13% of users appreciate the reporting and analytics features, finding value in the detailed tracking and dashboards. Ease of use is another strength, with 11% noting the user-friendly interface and easy integration with other services. While Mimecast integrates with commonly used software like Microsoft 365 (mentioned by 19% of reviewers), alternatives like Proofpoint Email Protection are frequently evaluated alongside it (15% of reviewers). Other competing products mentioned include Microsoft Defender for Office 365, Barracuda Email Security Gateway, and Abnormal Security. The reviews suggest that while Mimecast offers a comprehensive suite of email security features, buyers should carefully evaluate it against alternatives to ensure the best fit for their specific needs.


  • Strong impersonation protection (24% of reviewers)
  • Effective URL/link protection (22% of reviewers)
  • Robust attachment protection (20% of reviewers)
  • Valuable reporting and analytics features (13% of reviewers)
  • User-friendly interface and easy integration (11% of reviewers)
  • Several alternatives are frequently evaluated, suggesting potential gaps or areas for improvement compared to competitors like Proofpoint (15% of reviewers)
  • Integration with Microsoft 365, while present (19% of reviewers), might require further consideration based on specific environment needs
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