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Mimecast

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Read 229 Mimecast reviews and testimonials from customers, explore 220 case studies and customer success stories, and watch 34 customer videos to see why companies chose Mimecast as their Email Security Software

Mimecast delivers cloud-based email management for Microsoft Exchange, including archiving, continuity and security. By unifying disparate and fragmented email environments into one holistic solution that is always available from the cloud, Mimecast minimizes risk and reduces cost and complexity, while providing total end-to-end control of email. Founded in the United Kingdom in 2003, Mimecast serves more than 7,000 customers and 1.7 million users worldwide and has offices in Europe, North America, Africa and the Channel Islands.

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  • 229 Testimonials View
  • 220 Case Studies View
  • 34 Customer Videos View
Customer Rating Review Score based on 5650 reference ratings
4.7/5.0 (5650)
  • Fall 2025 Market Leader Security Awareness Training Software
  • Fall 2025 Market Leader Email Security Software

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229Testimonials

  • “We have a new level of insight into what threat actors are trying to take advantage of, and how they’re trying to circumvent security practices already in place. Mimecast provides …

  • "The email archive feature was a key reason why we chose Mimecast over other suppliers. Capturing and storing internal, inbound and outgoing emails provides a comprehensive back-up and supports business …

  • “A cookie-cutter approach wouldn’t work. Our users have a wide range of roles and computer literacy levels.”

228 more testimonials currently locked

220 Case Studies

  • Mimecast Email Security Banishes Spam for Macmillan Cancer Support

  • Rockwell Diamonds “dramatically” cuts viruses and spam with Mimecast

  • Moving Crowe Clark Whitehill to a Cloud-Based Archiving Solution

219 more case studies currently locked

34 Customer Videos

  • First Fidelity Bank Strengthens Community Protection with Full Suite of Mimecast Solutions
  • Large US Banking Organization Chooses Mimecast Web Security
  • Snowflake - Customer Success Story (Mario Duarte - VP of Security)
33 more videos currently locked

Additional Mimecast Information & Resources

Read Mimecast Reviews, Testimonials & Customer References from 229 real Mimecast customers.

Browse Mimecast Case Studies, Customer Success Stories, & Customer References from 220 businesses that use Mimecast.

Watch Mimecast Customer Videos to learn why 34 businesses chose Mimecast.