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Fortra's Clearswift Secure Email Gateway vs Trend Micro Email Security [EOL] 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

Fortra's Clearswift Secure ...
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
0
Ranking in other categories
Email Security (31st)
Trend Micro Email Security ...
Average Rating
8.2
Reviews Sentiment
6.7
Number of Reviews
47
Ranking in other categories
No ranking in other categories
 

Featured Reviews

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.
AsadAli - PeerSpot reviewer
Soc Team Lead at Super Secure
Centralized protection has transformed email security and incident investigations by reducing false positives and improving behavioral threat detection
The challenges include the challenge of finalizing a product that has all the security features or capabilities that are usually required. For example, if there is an EDR platform that's just monitoring IDS signatures, it won't be as beneficial as one with behavioral monitoring and other critical aspects required according to the best practices of the industry. Additionally, if there is a product that can provide a centralized view Trend Vision One does, it really grabs the customer's interest because customers usually don't have to buy separate EDR, XDR, or SIEM solutions or a console for their SOC analyst or email security team. These challenges consist of managing multiple teams and products. Trend Micro Email Security comes in and solves these problems.Trend Micro Email Security is generally a bit more difficult to implement compared to the rest of the solutions such as network security modules or EDR modules, which are much easier. Trend Micro Email Security has some complexities in implementation, but there aren't any significant shortcomings that require Trend Micro to improve.

Quotes from Members

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

Pros

"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."
"Trend Micro is better than any of its competitors."
"Trend Micro Email Security has a feature for secure protection of OneDrive, Google Drive, and CloudApp security."
"From an email security standpoint, the best features are that it is very convenient to configure new rules onto it and it gives very good insight on what has entered my system and what the email security solution has taken action upon."
"The initial setup is not overly complex."
"Trend Micro Email Security [EOL] has positively impacted my organization as the digital user experience is good."
"The interface is really good."
"Trend Micro Email Security [EOL] has impacted my organization positively, and after implementing it, we noticed certain things which were missing, especially with the virtual analyzer, such as sandboxing and email continuity, then more on the plain text verifications and large emails."
"The product is quite strong, and that is one reason most clients are replacing their existing email security solutions with it."
 

Cons

"I am not satisfied with Clearswift because of the lack of customer support."
"Malware needs improvement."
"FTP server and TRUST Manager functionality."
"The customer support for Trend Micro Email Security [EOL] is the most lagging point that I am currently experiencing."
"One improvement for Trend Micro Email Security would be addressing services that sometimes stop during updates from the internet."
"While they are good, not 100% of email is protected just yet."
"The product must provide better customization features."
"Trend Micro Email Security is generally a bit more difficult to implement compared to the rest of the solutions such as network security modules or EDR modules, which are much easier."
"I think customer support for Trend Micro Email Security [EOL] should be improved at some level."
"In terms of email security, I would not rate Trend Micro as an expert solution."
"For improvement, the report part needs much improvement. It is a bit complex for some users."
 

Pricing and Cost Advice

Information not available
"The price is more accessible compared to some other solutions, like FortiMail. It offers excellent value for the price."
"The cost is about $6,000 for 300 users for one year."
"The solution is inexpensive so we recommend it to small to mid-sized businesses."
"The price of Trend Micro Email Security is annual. There are no additional fees."
"It's a VPN solution. Trend Micro is reasonably priced."
"Price-wise, it is a cheap solution. I rate the solution's pricing a one on a scale of one to ten, where ten is expensive. Annual payments are made for the licensing."
"I rate the product price a six on a scale of one to ten, where one is low price and ten is high price."
"The solution's pricing is very optimum, given its quality, features, and stability."
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Top Industries

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

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business31
Midsize Enterprise12
Large Enterprise12
 

Questions from the Community

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What needs improvement with Trend Micro Email Security?
Trend Micro Email Security reduces noise from false positives by deploying the solution in staging mode or learning mode to learn all traffic and compare it with signatures in the database. Sometim...
What advice do you have for others considering Trend Micro Email Security?
I am using Trend Vision One sensors. I am using the cyber risk exposure management, CREM capability. CREM is a solution called Splunk, which I use with XDR, Trend Micro, along with different securi...
What is your primary use case for Trend Micro Email Security?
I work with Trend Micro Email Security as a customer, and I also worked with an integrator. I use Trend Micro Email Security to secure all access for all endpoints, for example, for enterprise or f...
 

Overview

 

Sample Customers

Information Not Available
MedImpact Healthcare Systems, Air21, Azra Solutions, CBOSS, De Montfort University, Depaeuw, DHR Health, Fukui University Hospital
Find out what your peers are saying about Proofpoint, Microsoft, Check Point Software Technologies and others in Email Security. Updated: August 2026.
913,806 professionals have used our research since 2012.