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  3. Mimecast Advanced Email Security
Logo of Mimecast Advanced Email Security

Mimecast Advanced Email Security

byMimecast
in Email Security
4.5

Overview

Product Information on Mimecast Advanced Email Security

Updated 13th October 2025

What is Mimecast Advanced Email Security?

Mimecast Advanced Email Security is a software designed to protect organizations from email-based threats by providing threat detection, spam filtering, and advanced malware protection. The software leverages multiple detection engines to identify threats such as phishing, spear-phishing, impersonation attempts, and malicious attachments. Mimecast Advanced Email Security also includes data leak prevention and content control features, allowing organizations to reduce risks associated with confidential data loss and unauthorized sharing of sensitive information via email. The software integrates with existing email platforms and provides administrators with tools for policy management, reporting, and incident response. By addressing email-borne risks, the software helps organizations maintain the integrity and security of their email communications and supports compliance with security standards.

Mimecast Advanced Email Security Pricing

Mimecast Advanced Email Security software uses a subscription-based pricing model structured around the number of users, with various tiers providing different security features. The software’s cost varies depending on the selected feature set and organization size, and typically requires contact for specific pricing details tailored to business needs.

Overall experience with Mimecast Advanced Email Security

It Associate
<50M USD, Banking
FAVORABLE

“Mimecast Provides Strong Network Protection, And Works Great”

4.0
Jan 23, 2026
We use Mimecast to protect our environment from potential email attacks, but it also works great when it comes to stopping spam emails getting into our network. It adds a very strong layer of protection to our overall network.We also use it to check website links sent via email as it can tell us if there's any risks behind opening the link.
DIRECTOR OF IT
50M - 250M USD, Banking
CRITICAL

“Solid protection, but everyday use feels sluggish”

3.0
Nov 11, 2025
Delivery was competent, but the rollout was harder than expected. Many of the configuration choices seemed based on the consultant's preference rather than a recommended baseline for our size and risk profile.

About Company

Company Description

Updated 25th July 2024

Since 2003, Mimecast has stopped bad things from happening to good organizations by enabling them to work protected. We empower over 40,000 customers to mitigate risk and manage complexities across a threat landscape driven by malicious cyberattacks, human error, and technology fallibility. Our advanced solutions provide proactive threat detection, brand protection, awareness training, and data retention capabilities evolving workplaces need today. Mimecast transforms email and collaboration security into the eyes and ears of organizations worldwide.

Company Details

Updated 26th February 2025
Company type
Private
Year Founded
2003
Head office location
Broadgate, United Kingdom
Number of employees
1001 - 5000
Website
https://www.mimecast.com/

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Key Insights

A Snapshot of What Matters - Based on Validated User Reviews

User Sentiment About Mimecast Advanced Email Security
Reviewer Insights for: Mimecast Advanced Email Security
Deciding Factors: Mimecast Advanced Email Security Vs. Market Average
Performance of Mimecast Advanced Email Security Across Market Features

Mimecast Advanced Email Security Likes & Dislikes

Like

It's very easy to use and manage. You can add email domains to be trusted and whitelisted so that trusted emails can get through. It can also block credit card numbers from being sent and received, which is especially helpful in a financial environment.

Like

I value the CrowdStrike integration for streamlined investigations, Outlook reporting for quick user escalation, and effective impersonation protection against look-alike senders.

Like

The DLP integration via attachment management and The content examination PII filters for Credit cards and SSN have worked very well for us. The awareness training videos and phishing tests are great features as well.

Dislike

The software is great, though sometimes the web filters work a little too well and will block legitimate emails. Luckily these can be released easily from the admin portal so it's not a major issue overall.

Dislike

Admin UI feels slow, and mailbox remediation can be inconsistentsometimes immediate, sometimes requiring retries. Rules are complex, and even relaxed policies over-capture with little explanation why.

Dislike

The feature request process could use some improvement. The deployment schedule for the awareness training videos for new users could use some more granular options for deployment.

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Peer Discussions

Mimecast Advanced Email Security Reviews and Ratings

4.5

(612 Ratings)

Rating Distribution

5 Star
54%
4 Star
38%
3 Star
7%
2 Star
1%
1 Star
0%
Why ratings and reviews count differ?

Customer Experience

Evaluation & Contracting

4.5

Integration & Deployment

4.4

Service & Support

4.4

Product Capabilities

4.6

Filter Reviews
Sort By:
Most helpful
Last 12 Months
Star Rating
Reviewer Type
Reviewer's Company Size
Reviewer's Industry
Reviewer's Region
Reviewer's Job Function
  • It Associate
    <50M USD
    Banking
    Review Source

    Mimecast Provides Strong Network Protection, And Works Great

    4.0
    Jan 23, 2026
    We use Mimecast to protect our environment from potential email attacks, but it also works great when it comes to stopping spam emails getting into our network. It adds a very strong layer of protection to our overall network.We also use it to check website links sent via email as it can tell us if there's any risks behind opening the link.
  • SYSTEM ADMINISTRATOR
    50M-1B USD
    IT Services
    Review Source

    Mimecast Offers Strong Configuration and Security Features for Organization Needs

    5.0
    Oct 31, 2025
    Mimecast has been very helpful to our organization with its constantly improving algorithms and robust configuration options. Once you understand how the policies work and are applied, configuring the product to meet your needs becomes second nature. The support team is amazing as well any time we need a second set of eyes on our configuration.
  • Product Manager
    50M-1B USD
    Construction
    Review Source

    Mimecast Maintains Workflow While Strengthening Organizational Email Security Measures

    5.0
    Feb 4, 2026
    Overall, my experience with Mimecast has been largely positive. It provides strong protection against spam, phishing and other data attacks which improves emails safety so our data is always safe. It has been a dependable tool for strengthening our email security posture.
  • FRONT-END WEB DEVELOPPER
    50M-1B USD
    IT Services
    Review Source

    Software Detects and Eliminates Ransomware, Phishing and Email Compromise Threats

    4.0
    Oct 9, 2025
    The software is reliable in detecting and eliminating all kinds of email threats. Deployment and setting up process of the software is easy. The product also integrates well with various security management systems and can be easily customised to meet specific user needs. Mimecast Advanced Email Security has provides us with both inbound and outbound protection against ransomware, phishing and business email compromise. Real-time anti-spam capabilities make the product a standout amongst its competitors. Use of the software has enabled us to prevent data loss and ensure anti malware signature detection.
  • IT MANAGER
    50M-1B USD
    Consumer Goods
    Review Source

    Email Filtering Capabilities But Potential User Resistance Without Clear IT Communication

    4.0
    Dec 4, 2025
    Mimecast seems to integrate well with Outlook, and Outlook Web, which are our two main email interfaces. It appears to do a pretty good job at filtering or capturing incoming emails, and we've set it up so that it works as a relay between 3rd party applications and our email tenant.
...
Showing Result 1-5 of 618

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