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Fortinet FortiMail vs Trend Micro Email Security comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Jan 12, 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
7.4
Users found Microsoft Defender for Office 365 cost-effective, citing improved protection, time efficiency, and savings in security management.
Sentiment score
7.6
Fortinet FortiMail enhances security, reduces costs, and improves email efficiency, offering immediate ROI and quick implementation.
Sentiment score
7.6
Entities reported substantial ROI from Trend Micro Email Security, highlighting cost savings, enhanced protection, and improved security posture.
It has also decreased our time to detection and response by about 15 to 20 percent.
It offers cost savings compared to Cisco, which was very expensive.
 

Customer Service

Sentiment score
6.9
Microsoft Defender for Office 365 offers knowledgeable support, though escalation delays and outdated documentation can affect resolution speed.
Sentiment score
6.6
FortiMail support is highly rated for swift, knowledgeable assistance, though response times vary between standard and elite support tiers.
Sentiment score
7.6
Trend Micro Email Security support is praised for responsiveness and expertise, though response times vary by region.
Customer service and support have been fantastic.
I have direct communication with Kenyan system engineers and local support in Ethiopia, enabling good support.
Fortinet's technical support offers high-quality support.
Clients are generally very satisfied with the various types of support available.
 

Scalability Issues

Sentiment score
8.1
Microsoft Defender for Office 365 is scalable, adaptable, and integrates seamlessly, supporting medium to large enterprises efficiently.
Sentiment score
7.4
Fortinet FortiMail is highly scalable, efficiently accommodating different organization sizes and handling increased email traffic effectively.
Sentiment score
7.8
Trend Micro Email Security is a scalable cloud-based solution ideal for medium to enterprise-sized businesses with strong user flexibility.
 

Stability Issues

Sentiment score
7.8
Microsoft Defender for Office 365 is highly rated for stability, featuring strong performance and rare minor network issues.
Sentiment score
8.4
Fortinet FortiMail is praised for stability and reliability, managing complex environments with minimal issues and consistent performance.
Sentiment score
8.0
Trend Micro Email Security is highly reliable, stable, easy to manage, and performs well with minimal reported issues.
This stability is consistent across Fortinet products, including FortiGate firewall.
 

Room For Improvement

Microsoft Defender for Office 365 requires improvements in antivirus, scalability, integration, interface, threat intelligence, and licensing transparency.
Fortinet FortiMail needs improvements in management interface, pricing, integration, spam filtering, encryption, usability, and documentation for better user experience.
Trend Micro Email Security needs stronger phishing detection, better integration, improved interface, and cost efficiency for enhanced user experience.
The main area for improvement is simplifying the implementation and rollout process.
I would reduce the cost.
Providing comprehensive documentation on how to deploy and configure would improve the solution.
The area that could use some improvement in Fortinet FortiMail is the integration process.
The company also needs to work on pricing because it is quite costly compared to other products.
 

Setup Cost

Microsoft Defender for Office 365 pricing varies; often costly for SMBs but competitive for enterprises, with added licensing complexities.
Fortinet FortiMail offers competitive pricing based on capacity, with mixed opinions on cost-effectiveness and potential additional fees.
Trend Micro Email Security is costly but offers great enterprise value, with pricing around $6,000 annually for 300 users.
Money-wise, it is a part of the Office 365 suite, making it slightly more expensive compared to Trend Micro.
For environments with 4,000 to 5,000 users, it can be between 6 to 8 dollars.
 

Valuable Features

Microsoft Defender for Office 365 provides comprehensive email protection with seamless Microsoft integration, enhancing threat management and data security.
Fortinet FortiMail is praised for its robust security features, user-friendly interface, and cost-effective email threat protection.
Trend Micro Email Security provides comprehensive protection with advanced features, easy management, and seamless integration for reliable email security.
It ranks the threats and allows us to prioritize those hitting us the hardest, such as email threats.
Microsoft Defender for Office 365 is now part of a centralized tenant for my entire group.
Its threat detection capabilities have been beneficial.
The most valuable features are Fortinet FortiMail's ability to protect from advanced features of email-based attacks, including protection against ransomware and malware attacks.
The product is quite strong, and that is one reason most clients are replacing their existing email security solutions with it.
 

Categories and Ranking

Microsoft Defender for Offi...
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Ranking in Email Security
1st
Average Rating
8.2
Reviews Sentiment
7.1
Number of Reviews
48
Ranking in other categories
Advanced Threat Protection (ATP) (1st), Microsoft Security Suite (11th)
Fortinet FortiMail
Ranking in Email Security
6th
Average Rating
8.6
Reviews Sentiment
7.0
Number of Reviews
63
Ranking in other categories
No ranking in other categories
Trend Micro Email Security
Ranking in Email Security
8th
Average Rating
8.0
Reviews Sentiment
7.2
Number of Reviews
27
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of April 2025, in the Email Security category, the mindshare of Microsoft Defender for Office 365 is 13.1%, down from 19.0% compared to the previous year. The mindshare of Fortinet FortiMail is 5.1%, down from 5.8% compared to the previous year. The mindshare of Trend Micro Email Security is 2.7%, down from 3.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security
 

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.
Nigus Machin Amare - PeerSpot reviewer
Offers advanced protection from email-based attacks and consistently blocks spam
The most valuable features are Fortinet FortiMail ( /products/fortinet-fortimail-reviews )'s ability to protect from advanced features of email-based attacks, including protection against ransomware and malware attacks. It is especially effective in blocking spam through standards like wrong source IP for email-based attacks. Its high scalability and stability, especially for financial institutions, are noteworthy.
Nadeem Syed - PeerSpot reviewer
Offers comprehensive security, easy integration, and good support
It integrated easily. About 99% of the time, we do not face any challenges in integrating any product of Trend Micro with the existing network. It is usually compatible with all kinds of networks. They have recently added AI to all Trend Micro products. It makes life a little bit easier by catching viruses, providing solutions, and helping out whenever you are stuck somewhere. It is one of the very good features they have right now. For example, one of our clients experienced a network attack and became confused about resolving the issues. The AI was helpful by suggesting initial steps to solve the problem.
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Top Industries

By visitors reading reviews
Computer Software Company
16%
Financial Services Firm
9%
Manufacturing Company
8%
Government
6%
Educational Organization
49%
Computer Software Company
8%
Financial Services Firm
5%
Government
4%
Computer Software Company
17%
Financial Services Firm
11%
Comms Service Provider
7%
Manufacturing Company
6%
 

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?
I don't have detailed specifics on pricing, setup cost, or licensing.
What needs improvement with Microsoft Defender for Office 365?
I am generally satisfied with how it currently is. If I could improve anything, I would reduce the cost.
What is your experience regarding pricing and costs for Fortinet FortiMail?
The pricing of Fortinet FortiMail is cheaper compared to Cisco, which was quite expensive.
What needs improvement with Fortinet FortiMail?
The area that could use some improvement in Fortinet FortiMail is the integration process. I would like the integrati...
What do you like most about Trend Micro Email Security?
The tool provides a strong defense against attacks. It is also easy to use. Trend Micro Email Security's integration ...
What needs improvement with Trend Micro Email Security?
There is room for improvement in mobile device management. The company also needs to work on pricing because it is qu...
What advice do you have for others considering Trend Micro Email Security?
I would definitely recommend it. Trend Micro is better than any of its competitors. I would rate it a nine out of ten...
 

Also Known As

MS Defender for Office 365
FortiMail
No data available
 

Overview

 

Sample Customers

Microsoft Defender for Office 365 is trusted by companies such as Ithaca College.
Magromer Cueros y Pieles S.A.
MedImpact Healthcare Systems, Air21, Azra Solutions, CBOSS, De Montfort University, Depaeuw, DHR Health, Fukui University Hospital
Find out what your peers are saying about Fortinet FortiMail vs. Trend Micro Email Security and other solutions. Updated: March 2025.
842,767 professionals have used our research since 2012.