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Check Point Harmony Email & Collaboration vs Mimecast Email Security comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Apr 20, 2025

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

ROI

Sentiment score
7.2
Microsoft Defender for Office 365 enhances email protection, reduces costs, and increases productivity, offering invaluable data security.
Sentiment score
7.9
Check Point Harmony Email enhances security, boosts ROI by 60%, reduces breaches, improves productivity, and decreases operational concerns.
Sentiment score
6.8
Mimecast Email Security prevents breaches and blocks phishing, significantly enhancing business security despite challenges in quantifying its ROI.
It has also decreased our time to detection and response by about 15 to 20 percent.
Overall, cost of owning and operating our system goes down.
It's hard to quantify the return on investment we've seen from Microsoft Defender for Office 365.
The time saved during investigations is significant due to the neat dashboard that organizes everything related to alerts.
There has been a 70% decrease in phishing emails and data breaches since implementing Check Point Harmony Email Security.
I have seen a return on investment, as I can share relevant metrics like money saved, time saved, and fewer employees needed, all of them.
There is definitely a return on investment when using Mimecast, as it blocks phishing emails, reducing the risk of significant financial losses.
 

Customer Service

Sentiment score
7.0
Microsoft Defender for Office 365 offers reliable support, praised for responsiveness, despite some challenges with clarity and third-party resolutions.
Sentiment score
7.2
Check Point Harmony's support is variedly received; praised for options and professionalism, yet slower than competitors, especially in Spanish.
Sentiment score
5.9
Mimecast Email Security support is responsive but often redirects to unclear articles; mixed reviews on speed and flexibility.
Over the past two years, there have been no critical problems.
we opened tickets, and they typically resolve them quickly.
Customer service and support have been fantastic.
We opted for the 24/7 premium support, which is very responsive and quick whenever we have configuration challenges or other inquiries.
Customer support is of high quality.
Support issues exist with the Check Point company itself, not necessarily the product.
Support personnel are hesitant to engage in remote sessions, preferring to share documentation via email.
Mimecast technical support is generally quite good.
 

Scalability Issues

Sentiment score
8.2
Microsoft Defender for Office 365 scales seamlessly across configurations, supporting thousands of users with effortless integration and optimal performance.
Sentiment score
8.0
<p>Check Point Harmony Email &amp; Collaboration is praised for seamless scalability, excellent ratings, and integration with Office 365.</p>
Sentiment score
7.5
Mimecast Email Security is scalable, adaptable, and allows easy license adjustments but may face occasional feature challenges.
We have never faced scalability problems, and Microsoft manages it effectively.
Microsoft Defender for Office 365 scales transparently for us, as we grew from 1,000 users to 3,000 users, and we didn't notice much difference.
I would rate the scalability of Check Point Harmony Email and Collaboration as nine out of ten, indicating high scalability.
Scalability is limited, being only integrated with Microsoft Office 365 and G Suite at present.
 

Stability Issues

Sentiment score
7.7
Microsoft Defender for Office 365 is highly reliable, offering stable performance, quick issue resolution, and high user satisfaction ratings.
Sentiment score
8.0
<p>Check Point Harmony Email &amp; Collaboration is praised for its stability, reliability, and seamless cloud-based upgrades, despite minor issues.</p>
Sentiment score
7.7
Mimecast Email Security is praised for stability and integration, with rare downtimes, few bugs, and high user satisfaction.
The solution is stable, as we have been using it for the past two years.
I would assess the stability and reliability of Microsoft Defender for Office 365 as very stable, with barely any issues.
Overall, the stability and reliability of Microsoft Defender for Office 365 are good.
 

Room For Improvement

Microsoft Defender for Office 365 needs enhanced virus protection, compatibility, UI, integration, reporting, and cost transparency to improve user experience.
Check Point Harmony needs improvements in flexibility, performance, phishing protection, integration, and analytics to enhance user experience and security.
Mimecast Email Security struggles with detection, user interface, support, costs, configurations, and database reliance, affecting overall user satisfaction.
The main area for improvement is simplifying the implementation and rollout process.
Microsoft could improve by offering recommendations for domain spoofing attacks, especially scenarios where DNS records like SPF, DKIM, and DMARC are not properly published.
There is a different console for different things; I just want one consolidated console.
Updates based on AI and reduced administrative overhead by adding or bulk adding new users, along with graphical enhancements to the GUI, would also be beneficial.
Enhancing reporting capabilities with customizable and advanced analytics features would greatly improve our ability to detect trends and proactively address emerging threats.
Check Point should integrate with features available in Barracuda - like more advanced threat management.
A lot of emails were missed despite being known samples.
 

Setup Cost

Enterprise users find Microsoft Defender for Office 365 pricing complex but valuable due to integration with Office 365 features.
<p>Check Point Harmony Email &amp; Collaboration is competitively priced, especially for enterprises, offering flexibility and comprehensive security features.</p>
Mimecast Email Security is seen as costly, though features and updates justify the price; competitors offer cheaper alternatives.
We've likely saved 30% of costs.
Money-wise, it is a part of the Office 365 suite, making it slightly more expensive compared to Trend Micro.
Microsoft is quite affordable with a lot of features available for any size organization.
Pricing is a bit expensive, but it is worth it considering the features that Check Point provides.
I consider the pricing to be a bit expensive, similar to other solutions.
The pricing is lower compared to what I used before.
The pricing is higher for Mimecast, particularly for the Indian market, where it is considered expensive.
 

Valuable Features

Microsoft Defender for Office 365 offers comprehensive security with real-time updates and automated threat response, enhancing multi-platform enterprise safety.
Check Point Harmony Email offers API integration, threat prevention, and AI security to protect and enhance email communications.
Mimecast Email Security excels in threat protection, spam filtering, and user-friendliness, with strong Microsoft 365 integration and technical support.
It ranks the threats and allows us to prioritize those hitting us the hardest, such as email threats.
It provides end-to-end visibility on email threats such as phishing, extending beyond Exchange Online Protection.
The value of the DLP feature is significant to us because we have internal data, sometimes sensitive, and the users may not always be aware of security and privacy, which might lead them to send out information mistakenly to external parties.
The most valuable feature is spam detection and phishing site prevention, which Microsoft couldn't catch, yet Check Point does.
Check Point Harmony Email and Collaboration offers online support and has tight integration with Microsoft.
The protection and scanning of emails are also appreciated, as they secure everything in the email spectrum.
A distinct advantage of Mimecast is its ability to block phishing and impostor attacks, which are significant threats currently.
One of the most useful features is the threat remediation module, which can be used to remove malicious emails that may have been delivered or manually remove them.
 

Categories and Ranking

Microsoft Defender for Offi...
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Average Rating
8.4
Reviews Sentiment
7.1
Number of Reviews
52
Ranking in other categories
Email Archiving (1st), Email Security (1st), Advanced Threat Protection (ATP) (2nd), Microsoft Security Suite (10th), Secure Email Gateway (SEG) (1st)
Check Point Harmony Email &...
Average Rating
8.8
Reviews Sentiment
7.4
Number of Reviews
65
Ranking in other categories
Email Security (5th), Data Loss Prevention (DLP) (5th), Cloud Workload Protection Platforms (CWPP) (9th)
Mimecast Email Security
Average Rating
8.0
Reviews Sentiment
6.2
Number of Reviews
30
Ranking in other categories
Office 365 Protection (4th), Secure Email Gateway (SEG) (4th)
 

Mindshare comparison

Email Security
Secure Email Gateway (SEG)
 

Featured Reviews

Tolu Omolaja - PeerSpot reviewer
Great URL scanning and attachment scanning, but I would like more proactive threat analysis
The two main features that prove most beneficial for us are URL scanning and attachment scanning. URL scanning involves an automatic scan of links and emails. When a user clicks on a link within an email, the system promptly checks the link's safety. If the link is deemed safe, access is granted automatically. However, if it is flagged as unsafe, we receive feedback and notification to caution us about the potentially harmful link. At this point, we are presented with the option to proceed or return. I have personally witnessed the system identify a few unsafe links, making this the primary advantage of using the solution. The second crucial aspect is the scanning of attachments. When an email containing an attachment arrives, we receive a notification of the new email, along with information that the attachment is being scanned for threats. This additional layer of security provides peace of mind for our organization. While Microsoft Defender for Office 365 offers numerous features, these two stand out as particularly impressive and valuable to us.
Nasseer Qureshi - PeerSpot reviewer
Email security effectively detects a wide range of threats and improves productivity
Since we have been using Check Point Harmony Email & Collaboration for a year, we haven't encountered significant challenges. However, it would be beneficial if it could support other email security services beyond Microsoft and Google. Integration with other platforms would enhance its appeal since the features are commendable. While the analytics are commendable, they don't provide deep dive insights. They show the overall counts of malware, phishing, and business compromise emails, but there isn't a robust ability to dive deeper into those categories to see specifics. Analytics should allow us to explore which users received malware emails the most or trends among departments. Currently, we have to sift through manually, which is not ideal. A more profound analytical capability would elevate the tool to become the complete email security solution for any user.
ShaheenKapery - PeerSpot reviewer
Provides valuable security features and has a straightforward setup process
The initial setup process is straightforward and takes a weekend at most. A .com domain can take up to forty-eight hours, while a local domain takes about four to eight hours because it has to propagate through the international DNS records. It is a cloud-only solution. If you're managing email security on-premises, you use your bandwidth to download emails, including spam, and then use your servers to clean it up. For example, say a third of your email is spam; this consumes significant bandwidth and resources. However, if you use Mimecast, they filter the emails on their servers before delivering them to you. It can be a major selling point in regions with expensive bandwidth, such as Africa. You can save bandwidth and improve overall efficiency by offloading the spam filtering to Mimecast.
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Top Industries

By visitors reading reviews
Computer Software Company
16%
Financial Services Firm
9%
Manufacturing Company
8%
Government
6%
Computer Software Company
20%
Financial Services Firm
9%
Manufacturing Company
7%
Healthcare Company
5%
Computer Software Company
15%
Financial Services Firm
8%
Manufacturing Company
7%
Comms Service Provider
5%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

What do you like most about Microsoft Defender for Office 365?
Threat Explorer is an invaluable tool for me, and it plays a crucial role in helping me discern the origins of variou...
What is your experience regarding pricing and costs for Microsoft Defender for Office 365?
Microsoft is quite affordable with a lot of features available for any size organization.
What needs improvement with Microsoft Defender for Office 365?
Microsoft could improve by offering recommendations for domain spoofing attacks, especially scenarios where DNS recor...
What is your experience regarding pricing and costs for Check Point Harmony Email & Office?
Pricing is a bit expensive, but it is worth it considering the features that Check Point provides.
What is your primary use case for Check Point Harmony Email & Office?
The main use case for Check Point Harmony ( /products/avaya-workforce-engagement-reviews ) Email &amp; Collaboration ...
What do you like most about Check Point Harmony Email & Office?
The product offers good and easy integration capabilities with other products.
What do you like most about Mimecast Email Security with Targeted Threat Protection?
The interface of this solution is very easy to navigate and user-friendly. There is no delivery in email and other co...
What is your experience regarding pricing and costs for Mimecast Email Security with Targeted Threat Protection?
The pricing is higher for Mimecast, particularly for the Indian market, where it is considered expensive.
What needs improvement with Mimecast Email Security with Targeted Threat Protection?
There is nothing that notably stands out in need of improvement at present.
 

Also Known As

MS Defender for Office 365
Check Point CloudGuard, Check Point CloudGuard SaaS , Check Point Harmony Email & Office
Mimecast Email Security with Targeted Threat Protection
 

Overview

 

Sample Customers

Microsoft Defender for Office 365 is trusted by companies such as Ithaca College.
Helvetia, Denham Capital, Daymark Solutions, Neopharm Group
Azizi Developments, Affinity Credit Union, Aftercare, Al Abbar Group
Find out what your peers are saying about Check Point Harmony Email & Collaboration vs. Mimecast Email Security and other solutions. Updated: January 2024.
856,873 professionals have used our research since 2012.