Mimecast Secure Messaging

COMPANY: Mimecast

As a global leader in email management services, Mimecast offers easy-to-use (and deploy) solutions for email encryption and secure messaging, ensuring email encryption becomes the standard within your organization for all communication containing sensitive information.

Overall Score


Overall Score


Mimecast Secure Messaging Review

Review date: February 18th 2019

Snapshot: Provides email security and email encryption functionality for businesses.

What is Mimecast Secure Messaging?

Mimecast is one of the leading email security vendors. They offer an email encryption service which secures messages to stop accidental and deliberate data leaks. Their encryption platform is delivered via a secure web portal which recipients must log onto, in order to access email content, as this is more accessible and streamlined than other encryption options such as Public Key Infrastructure or Transport Layer Security. It offers businesses protection and controls over their email and attachments.

For: Mimecast customers or enterprises looking for secure web portal based email encryption.

Not For: SMBs or customers looking for advanced auditing and reporting around where encrypted email are opened and shared.


  • Encrypted emails are stored in a secure cloud platform
  • The platform is easy to use for email senders, with a range of controls they can use within outlook to manage encrypted emails in line with defined policies
  • Range of admin policies available such as settings to block administrators from viewing information within encrypted emails
  • Simple to access encrypted emails via a secure web portal, eliminating the need for more complex encryption methods
  • Configurable controls such as read receipts, forwarding and printing restrictions, and access revocation

Expert Insight:

Mimecast offer a simple to use email encryption service. The secure web portal means it’s easy for end users to open encrypted emails without compromising on security. There is also a good amount of configurable controls, meaning that the level of security can be customised to each specific need within your organisation. For example, if a confidential email is mistakenly sent to the wrong person, even with the access to read it, access to that email can be revoked even after sending. There are also controls to stop the data being forwarded or printed. There are read receipts given, but there is less of a focus on auditing to gain more insights into where emails are being shared than competitors like Virtru offer.

Mimecast encryption is not offered as a standalone product but comes as part of Mimecast’s Information Archiving and Secure messaging subscriptions, with varying degrees of features and controls on offer. This makes it a good choice for Mimecast customers who are looking for email encryption to add to their existing security products. Mimecast offers strong encryption with a range of end user controls. It’s a good solution to consider for email encryption, especially for existing Mimecast customers.

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Mimecast Vendor Overview

Mimecast specialize in cloud-based email management for Microsoft Exchange and Microsoft Office 365, including security, archiving, and continuity services to protect business mail.

Employees on LinkedIn 1341
Glassdoor Rating (123 reviews)
Founded 2003
Revenue $100 to $500 million (USD) per year
Headquarters London, UK
Support Team Location(s) UK, US, South Africa

Mimecast Secure Messaging Service Overview

Knowledge Base https://community.mimecast.com/community/knowledge-base
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Mimecast Secure Messaging Features

This product is not vendor verified and data might not be 100% accurate.

Mimecast Secure Messaging Features

Feature Description
Secure Web Portal Intuitive message access via a secure web portal, enabling recipients to have a consistent experience on any device and to receive messages without needing to know anything about access keys or encryption methods.
Customisable Policies End users can set expiration dates, read receipts, forwarding/printing restrictions and revoke access after email sent
Ease of Use for End Users All end user controls operate from within Outlook
Auditing and Access Reports Read receipts and reports available
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Score Breakdown

Encryption Methods
Customizable Policy
Ease of Use for End Users
Auditing and Reporting

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