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Mimecast blocks malware, spam and zero-day attacks.


Enterprise organizations that need strong, reliable protection from spam with an integrated archiving solution.

Who are Mimecast?

Mimecast is one of the largest global email cyber security vendors. They have a large suite of cloud based security applications to protect organizations from email and web based security threats. Their Email Security product is aimed at enterprise level customers. It utilizes multiple detection engines to provide protection from phishing, malware, spam and zero day attacks. This platform is a Secure Email Gateway, meaning it blocks potentially dangerous emails before they enter your network.

Mimecast Features:

  • Impersonation Protection blocks phishing attempts and spam
  • Popular email service, with high levels of customer satisfaction
  • High – level threat protection features including attachment sandboxing and URL protection
  • Large threat database monitoring billions of emails ensures that threat protection is up to date
  • Robust spam filtering, with guaranteed 99% spam rate detection
  • Comprehensive real time reports over your email network, including all inbound and outbound traffic
  • Self-service tools for end users, such as allowing them to block senders
  • Fully featured but easy to administer service, offering a web based dashboard from which all policies are managed
  • Email Continuity available if the email network goes down, with 100% service availability SLA
  • Includes an Email Archiving option, as well as secure messaging and large file sending

Expert Insight

Mimecast offers a market leading Email Security platform. This platform works as a secure gateway, meaning that it blocks threats before they enter an email network. This is a very robust service, which offers a range of advanced features that will help businesses to secure themselves against email threats. This is platform offers strong protection against malware, spam and zero-day attacks. It offers real time malware defence and attachment sandboxing. Spam filtering is strong, with Mimecast offering an SLA on 99% of spam blocked. Mimecast offers a range of logs to give you real time visibility over your email network. With this platform administrators have fine-grade control over all levels of email security. End users also get controls to block senders, helping to reduce the burden on IT. Email Archiving, and Continuity and Large File Sending can be purchased as add-ons.

This platform is very popular among customers, with high levels of customer satisfaction and retention. The service is expensive and so is more suitable for larger enterprises who need the strongest level of email protection. However, the adage of ‘you get what you pay for’ rings true with Mimecast Email Security, as it is one of the strongest, fully featured email security platforms available. Organizations with a big security budget, looking for the strongest protection they can get, should consider this service.

Email Security Guide for Business

Download a comprehensive guide to Email Security for Business. Discover the different email security technologies, how they work and what the best option is for your organization.

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Profile: Mimecast

Email Security Gateway
Boston, MA, US
Cloud, MX Record Redirection
Starting Price:
S1 = $4.00 user / month, M3R = $6.65 user / month, M3RA = $9.00 user / month
Suitable For:

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User Reviews

Quality & Project Manager


MSP, 100-250 employees

Used the product for: 2+ years

Oct 10, 2019


"Not the cheapest, but easily the best I've used"

What did you like best when using this solution?

It does exactly what you think it will do and want it to do - stop email based threats and junk. Onboarding is great too, a phased approach where Mimecast check what you've done to ensure all is well before you move on to the next stage.

What did you dislike about using this solution?

The admin console could be easier to navigate, however once you're used to where things live it's fine.

Describe your over overall experience with Mimecast. Did you find this product solved your business needs?

Yes, it stopped unwanted email, without too many false positives.

Network Support Specialist

Existing Customer

Legal, 100-250 employees

Used the product for: 2+ years

May 9, 2019


"Excellent Service All Round"

What did you like best when using this solution?

This platform has great functionality for end users, helping them to do a lot themselves that previously we would need to do for them. It's extremely easy to use and monitor email traffic. It's a very fast service and the archiving is extremely useful. We have barely recieved any spam since implementing this service.

What did you dislike about using this solution?

The system is feature rich and is complex to learn, but all platforms are and this is well worth it.

Describe your over overall experience with Mimecast. Did you find this product solved your business needs?

Mimecast is a great solution. It's helped us with email security, archiving and compliance. It does a great job of keeping spam out and it's easy to manage once you learn everything. The end user Outlook plugin is very helpful and easy for end users to use.