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Fortinet FortiMail vs Fortra's Clearswift Secure Email Gateway comparison

 

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:
 

Categories and Ranking

Fortinet FortiMail
Ranking in Email Security
6th
Average Rating
8.6
Reviews Sentiment
6.9
Number of Reviews
65
Ranking in other categories
No ranking in other categories
Fortra's Clearswift Secure ...
Ranking in Email Security
41st
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
0
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of October 2025, in the Email Security category, the mindshare of Fortinet FortiMail is 4.0%, down from 5.8% compared to the previous year. The mindshare of Fortra's Clearswift Secure Email Gateway is 1.0%, up from 0.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security Market Share Distribution
ProductMarket Share (%)
Fortinet FortiMail4.0%
Fortra's Clearswift Secure Email Gateway1.0%
Other95.0%
Email Security
 

Featured Reviews

MOHAN SUKUMAR - PeerSpot reviewer
Secure email management improves through advanced filtering and dynamic virus scanning
Fortinet FortiMail offers capabilities like settings for mail delivery, mail filtering, spam controls, and email bursting prevention. It also allows for email forwarding, dynamic filtering, and scanning based on virus signatures. I can set varying levels of security. The tool is flexible and provides essential features for mail security and management.
PC
Stable, but malware needs improvement and customer support is poor
They need to improve the malware in the product. I am not satisfied with Clearswift because of the lack of customer support. The support is poor, the supplier takes a lot of time and it's expensive. We have some issues here when I contact the supplier, it takes a lot of time for them to get back to us but there's no solution. I am now looking at Symantec as a possible alternative.

Quotes from Members

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

Pros

"FortiMail possesses notable strengths, and one key feature is its store-and-forward concept."
"This excellent email gateway minimizes spam, inspects suspicious emails and isolates infected attachments with little administrative effort."
"The biggest implementation my team has done for Fortinet FortiMail was for more than five thousand people, and the most valuable feature was its anti-spam feature."
"It actually filters the compromised emails when on a network layer itself."
"The most valuable features of this solution are anti-spam, sender reputation, and antivirus."
"The most valuable features are the endpoint defense features, it is very secure."
"Troubleshooting is very simple because you can see where the email was not delivered and why it would be considered as spam."
"Fortinet FortiMail has a lot of valuable features. It works great. It also has an antivirus feature. Support for Fortinet FortiMail was also great when my team wanted to block some geographic IPs, but couldn't figure out how to do it. The support team provided clear communication on how to resolve that issue. Another valuable feature of Fortinet FortiMail is SPAM filtering which tells you how many spammy emails you've received. Based on my current use cases, I'm happy with Fortinet FortiMail."
"A stable solution."
"Ability to create your own content-filtering policies with relative ease."
 

Cons

"Fortinet FortiMail's technical support team has shortcomings and needs improvement."
"The only drawback to this solution is that the firmware is frequently updated, and each update results in downtime."
"It is not easy to install."
"I would like the integration to be easier."
"There are features that other solutions have that this one is lacking, such as reporting options. I hope in future releases they advance their features list."
"I don't know if it is possible, but I would like to see Artificial Intelligence and machine learning introduced."
"Sometimes, the tool flags legitimate incoming traffic as spam."
"Online support sometimes takes up to a week to get back to you."
"Malware needs improvement."
"FTP server and TRUST Manager functionality."
 

Pricing and Cost Advice

"The licensing model for this solution is better because it is based on the box and not the number of users."
"The fees for Fortinet FortiMail can be complicated. However, overall the pricing is fair."
"Pricing is based on initial license purchase and use volume."
"We paid approximately $30,000 for the solution. It is less expensive than some other solutions. We have one license that carries all the features that we wanted."
"Fortinet FortiMail has an annual license agreement."
"Price-wise, you get what you pay for in Fortinet FortiMail. Apart from the licensing costs, no additional expenses are attached to the solution's pricing."
"There is a license required for this solution."
"Price-wise, the solution is not far from Microsoft ATP. So, it is affordable."
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Top Industries

By visitors reading reviews
Computer Software Company
13%
Financial Services Firm
9%
Manufacturing Company
7%
Comms Service Provider
6%
Computer Software Company
16%
Government
10%
Comms Service Provider
10%
Financial Services Firm
10%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business31
Midsize Enterprise22
Large Enterprise14
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for Fortinet FortiMail?
Fortinet FortiMail is considered overpriced by Indian rupee standards. My organization is not profit-making, and academic pricing is required, but it may not be available for security products like...
What needs improvement with Fortinet FortiMail?
It can be somewhat difficult to prepare precise or very deep rules to improve security, though the product is very good.
Ask a question
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Also Known As

FortiMail
No data available
 

Overview

 

Sample Customers

Magromer Cueros y Pieles S.A.
Information Not Available
Find out what your peers are saying about Fortinet FortiMail vs. Fortra's Clearswift Secure Email Gateway and other solutions. Updated: September 2025.
869,832 professionals have used our research since 2012.