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Darktrace vs Fortra's Clearswift Secure Email Gateway comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Sep 21, 2025

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

Darktrace
Ranking in Email Security
8th
Average Rating
8.2
Reviews Sentiment
7.2
Number of Reviews
82
Ranking in other categories
Intrusion Detection and Prevention Software (IDPS) (2nd), Network Traffic Analysis (NTA) (1st), Network Detection and Response (NDR) (1st), Extended Detection and Response (XDR) (6th), Cloud Security Posture Management (CSPM) (14th), Cloud-Native Application Protection Platforms (CNAPP) (10th), Attack Surface Management (ASM) (4th), AI-Powered Cybersecurity Platforms (2nd)
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 Darktrace is 2.6%, up from 2.4% 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 (%)
Darktrace2.6%
Fortra's Clearswift Secure Email Gateway1.0%
Other96.4%
Email Security
 

Featured Reviews

Malebo Lethoba Group - PeerSpot reviewer
Have found the AI analyst and detection functions highly valuable for network operations while managing complexity in initial setup
The functions I find most valuable in Darktrace are the AI analyst as well as the detection.The autonomous response capabilities of Darktrace are not crucial for me because it doesn't work in a network where there are no core switches. In a modern network, the autonomous response doesn't work, especially when sitting in a shared data center.If I'm running a traditional network where I am not in a shared data center with a layer two dedicated for my resources, then it can work for me. However, if I am in a data center where I don't have layer two, it becomes an issue because the autonomous response is reliant on sending spoofed TCP resets to my core switch to block traffic, which is a major issue.
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

"I particularly like Antigena and the analytics around the real-time monitoring of our network. I also like its reporting because it has got a seven-day reporting period within the system. Every time you run the reports, it gives you the data about the previous seven days. I like that because it is in real-time. I enjoy reading those reports and getting a very clear and decisive idea of what's happening on my network on a real-time basis. I like the actual real-time monitoring of spoofing and things like that. I also like the user monitoring as well as the network logging capabilities."
"It provides a comprehensive, detailed view of network activity and whatever is happening inside it."
"The most valuable feature has been the behavioral analytics that allows us to monitor all the traffic."
"The most valuable feature is that it gives us visibility of rogue traffic that is on the network."
"We have found the product to be stable and issue-free."
"Darktrace is extremely stable."
"A simple, powerful AI solution that just does all the work for you when you turn it on."
"It is a stable solution."
"A stable solution."
"Ability to create your own content-filtering policies with relative ease."
 

Cons

"I did not use the AI features because they should make it more user-friendly which would be a benefit. Additionally, the solution could integrate with more SIEM or SOAR tools."
"Its documentation is not up to the mark. At times, I have a lot of trouble finding a solution. Even when I posted questions on the community chats, it took a lot of time for me to get answers. That's something that can be improved. Darktrace can focus on creating a more interactive community. If there are more people from Darktrace to focus on community chats, it would be better."
"The solution would benefit from automation. Currently, you have to know what you are searching for."
"The Darktrace Mobile app needs improvement as it's currently limited in functionality, and the learning AI takes a while to adapt to new devices, flagging new users as threats for up to a month before recognizing them as regular network users."
"There is a high ratio of false positive information."
"The management user interface needs improvement."
"The pricing is costly in USD, and they charge based on device counts."
"I'd love them to see maybe covering the cloud a bit more."
"FTP server and TRUST Manager functionality."
"Malware needs improvement."
 

Pricing and Cost Advice

"The cost of the solution can be reduced to make it more appealing to customers."
"The pricing is subscription-based and it is high."
"It's an expensive solution."
"It is a very expensive product."
"The pricing is expensive. It costs over $100,000 a year."
"This solution is expensive."
"We've budgeted about 50,000 Kuwaiti dinars for the solution. That is a yearly operating cost."
"Darktrace is expensive. You can pay for the license yearly."
Information not available
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Top Industries

By visitors reading reviews
Computer Software Company
12%
Manufacturing Company
9%
Financial Services Firm
8%
Comms Service Provider
7%
Computer Software Company
15%
Government
12%
Comms Service Provider
10%
Financial Services Firm
10%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business44
Midsize Enterprise19
Large Enterprise29
No data available
 

Questions from the Community

How does Crowdstrike Falcon compare with Darktrace?
Both of these products perform similarly and have many outstanding attributes. CrowdStrike Falcon offers an amazing user interface that makes setup easy and seamless. CrowdStrike Falcon offers a cl...
Which is better - SentinelOne or Darktrace?
Which solution is better depends on which is more suitable specifically for your company. Darktrace, for example, is meant for smaller to medium-sized businesses. It is also a good option for organ...
What do you like most about Darktrace?
A very useful feature in Darktrace for real-time threat analysis is the packet inspection that analyzes the packet traffic in real time.
Ask a question
Earn 20 points
 

Overview

 

Sample Customers

Irwin Mitchell, Open Energi, Wellcome Trust, FirstGroup plc, Virgin Trains, Drax, QUI! Group, DNK, CreaCard, Macrosynergy, Sisley, William Hill plc, Toyota Canada, Royal British Legion, Vitol, Allianz, KKR, AIRBUS, dpd, Billabong, Mclaren Group.
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Find out what your peers are saying about Darktrace vs. Fortra's Clearswift Secure Email Gateway and other solutions. Updated: September 2025.
869,202 professionals have used our research since 2012.