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Fortinet FortiMail vs Sophos Email comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Dec 3, 2024

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
8.7
Sophos Email delivers significant ROI by improving efficiency, reducing costs, and enhancing security, particularly benefiting government contracts.
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Microsoft Defender for Office 365 offers knowledgeable support, though escalation delays and outdated documentation can affect resolution speed.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
6.4
Sophos Email's customer support receives mixed reviews, praised for basic help but criticized for delays with complex issues.
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.
When I reported a problem with our firewall, they acted promptly and delivered another piece of equipment.
 

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
7.3
Sophos Email is highly scalable, supporting diverse user numbers, but faces challenges with licensing costs and technical enhancements.
 

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
8.1
Sophos Email is a highly stable and reliable tool crucial for daily operations, rated 7-10 by users.
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.
Sophos Email needs better security, user interface, support, cloud integration, email filtering, setup, compatibility, and reporting features.
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.
 

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.
Sophos Email pricing is seen as affordable and cost-effective, especially for large deployments, with mixed feedback on costs and discounts.
Money-wise, it is a part of the Office 365 suite, making it slightly more expensive compared to Trend Micro.
Sophos Email pricing is a bit high, especially since I purchase through a partner, and they sell it at a higher price since they also seek to make a profit.
 

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.
Sophos Email offers comprehensive email security with advanced features, AI integration, and user-friendly management for efficient threat protection.
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 spam reduction feature in Sophos Email provides comfort when using it.
 

Categories and Ranking

Microsoft Defender for Offi...
Sponsored
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
Sophos Email
Ranking in Email Security
10th
Average Rating
8.2
Reviews Sentiment
7.1
Number of Reviews
31
Ranking in other categories
Office 365 Protection (2nd)
 

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 Sophos Email is 2.3%, down from 2.7% 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.
NaveedAli - PeerSpot reviewer
Provides good identity proxy features, but sandboxing and spam control features could be improved
Sophos gives you a feature set to manage your on-premises firewall on the cloud. I just integrated my on-premises firewall into the cloud, and I can manage the tool through the cloud as well if needed. I recommend using Sophos Email as a proxy. For email gateways, I advise choosing mature products with rich feature sets, like Trend Micro or CrowdStrike. The solution's integration with other tools is very simple. I easily integrated Sophos Email with my Active Directory. My organization needs a WAF with a limited feature set, which we use through Sophos. Purchasing additional WAF will be costly, but I get sandboxing and WAF features free of cost with Sophos, which is included in the license. Overall, I rate the solution a seven out of ten.
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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
14%
Manufacturing Company
11%
Comms Service Provider
7%
Healthcare 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 Sophos Email?
The solution's identity proxy feature is very good and reliable.
What is your experience regarding pricing and costs for Sophos Email?
Sophos Email pricing is a bit high, especially since I purchase through a partner, and they sell it at a higher price...
What needs improvement with Sophos Email?
Email installation could be more user-friendly so that it can be done without involving the partner. If made more use...
 

Also Known As

MS Defender for Office 365
FortiMail
Sophos Email Security
 

Overview

 

Sample Customers

Microsoft Defender for Office 365 is trusted by companies such as Ithaca College.
Magromer Cueros y Pieles S.A.
Del Monte Foods, Terra Verde, spicerhaart, RIVERLITE, Dataprise, SureBridge, Reed's School, Sayfol International School
Find out what your peers are saying about Fortinet FortiMail vs. Sophos Email and other solutions. Updated: March 2025.
845,406 professionals have used our research since 2012.