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Darktrace vs Fortra's Clearswift Secure Email Gateway comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Jun 3, 2026

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
10th
Average Rating
8.2
Reviews Sentiment
7.1
Number of Reviews
84
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) (11th), Cloud-Native Application Protection Platforms (CNAPP) (10th), Attack Surface Management (ASM) (4th), AI-Powered Cybersecurity Platforms (4th), AI Observability (7th)
Fortra's Clearswift Secure ...
Ranking in Email Security
31st
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 September 2026, in the Email Security category, the mindshare of Darktrace is 1.8%, down from 2.8% compared to the previous year. The mindshare of Fortra's Clearswift Secure Email Gateway is 1.2%, up from 0.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security Mindshare Distribution
ProductMindshare (%)
Darktrace1.8%
Fortra's Clearswift Secure Email Gateway1.2%
Other97.0%
Email Security
 

Featured Reviews

Pasan Jayarathna - PeerSpot reviewer
Network Security Engineer at Cyberwell Solution
Monitoring has improved data loss detection and now spots abnormal internal file transfers quickly
In my understanding, the best feature Darktrace offers is the identification of copying files, which acts as a DLP, and it is a main concern for companies because users sometimes copy data outside without knowing, especially those without a technical background. When I mention the DLP-like feature and file copying detection, the alerts have been very timely, as we get an alert within a couple of minutes, which is excellent. Even if some developers are working after hours and copying files, our SOC team detects this, and most of the time they call us so we can identify the users. The alerts are quite accurate and proactive.
PC
Systems Administrator at a financial services firm with 1,001-5,000 employees
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

"This solution is both scalable and stable."
"Darktrace has helped our organization be secure from network spam and attacks."
"The NDR is good in their solution and they have NTG for email."
"This is something that is really easy to implement in an organization, gives us good visibility about what is happening in our networks and on the system, and we like the transparency available within our infrastructure now."
"The Antigena feature is most valuable. Once it learns your environment, Antigena can step in and block a denial of service attack, a ransomware attack, or just about anything that doesn't belong in the environment. It can detect any type of attack that hits the environment because it understands what normal looks like for the network. It is very useful for an autonomous response."
"I am impressed with the product's ability to give insights into network traffic."
"Because of unsupervised machine learning, its detection capability is quite good."
"It is a very simple product to use."
"We use a few features for web proxy, and another feature is the email content filter and malware for our internal policy in the email content."
"A stable solution."
"Go for it! I think it's an excellent product with great technical support."
"Ability to create your own content-filtering policies with relative ease."
 

Cons

"It would be good if they can include some endpoint protection for remote workers."
"This product needs more in terms of prevention. The detection capabilities work well but once a threat has been detected, Darktrace should work to prevent it from doing anything malicious."
"Darktrace could improve by being more user-friendly."
"I would like to see a feature where the tool ingests information from an anti-malware product that is present at the endpoint."
"Darktrace is a closed technology, meaning we know very little about how it works, including the architecture, which is significant. As a result, when we implement the system and find we're getting many false positives, we have minimal insight into why it's happening and what we can do to fix it. We don't know how the solution is configured, the criteria for threats to be determined, or the product's inner workings. We understand that they have to ensure privacy and their copyright, but we want to see some documentation or public research into the security Darktrace provides."
"There is a high ratio of false positive information."
"It's quite expensive to have."
"If asked to rate Darktrace support on a scale from zero to ten where ten is the best, I would give them five points."
"FTP server and TRUST Manager functionality."
"Malware needs improvement."
"I am not satisfied with Clearswift because of the lack of customer support."
 

Pricing and Cost Advice

"The tool's pricing is costly."
"The pricing is very flexible for Darktrace. Sometimes, a customer does not have the appropriate budget, but Darktrace can handle that. They offer monthly payments, so the customer can acquire the solution very easily."
"When it comes to large installations, it can be expensive, but for small accounts it's fine."
"The product is expensive."
"The pricing is expensive. It costs over $100,000 a year."
"The pricing is quite high, estimated at around $350,000 per year."
"The cost is moderate."
"It is pretty expensive, but it is worth it. Its licensing is yearly."
Information not available
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Top Industries

By visitors reading reviews
Manufacturing Company
10%
Financial Services Firm
9%
Comms Service Provider
8%
Computer Software Company
7%
Financial Services Firm
11%
Construction Company
11%
Retailer
10%
Comms Service Provider
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business44
Midsize Enterprise20
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 is your experience regarding pricing and costs for Darktrace?
Concerning pricing for the product, I would say it is somewhat expensive.
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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 2026.
913,683 professionals have used our research since 2012.