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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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Customer Rating Review Scorebased on 5287 reference ratings
4.7/5.0 (5287)
  • Market Leader 2025 2025
    Fall 2025Market LeaderEmail Security Software
  • Market Leader 2024 2024
    Fall 2024Market LeaderSecurity Awareness Training Software

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229Testimonials

  • “Mimecast removes capex costs, reduces opex costs and saves on resources. So, it’s a technology solution as much as it is a business solution.”

228 more testimonialscurrently locked

220 Case Studies

  • Mimecast Email Security is Money in the Bank for Financial Services Group

219 more case studiescurrently locked

34 Customer Videos

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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.