We performed a comparison between Mimecast Email Security and Tessian Guardian based on real PeerSpot user reviews.
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Mimecast Email Security is ranked 5th in Secure Email Gateway (SEG) with 23 reviews while Tessian Guardian is ranked 33rd in Data Loss Prevention (DLP). Mimecast Email Security is rated 7.8, while Tessian Guardian is rated 0.0. The top reviewer of Mimecast Email Security writes "It gives clients peace of mind and helps them educate their users about threats". On the other hand, Mimecast Email Security is most compared with Microsoft Defender for Office 365, Microsoft Exchange Online Protection (EOP), Abnormal Security, Check Point Harmony Email & Collaboration and Cisco Secure Email, whereas Tessian Guardian is most compared with Microsoft Purview Data Loss Prevention.
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