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Fortra's Clearswift Secure Email Gateway vs Microsoft Exchange Online Protection (EOP) 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:
 

Categories and Ranking

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
Microsoft Exchange Online P...
Ranking in Email Security
9th
Average Rating
8.2
Reviews Sentiment
6.6
Number of Reviews
42
Ranking in other categories
Anti-Malware Tools (14th)
 

Mindshare comparison

As of September 2026, in the Email Security category, the mindshare of Fortra's Clearswift Secure Email Gateway is 1.2%, up from 0.9% compared to the previous year. The mindshare of Microsoft Exchange Online Protection (EOP) is 2.9%, down from 5.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security Mindshare Distribution
ProductMindshare (%)
Microsoft Exchange Online Protection (EOP)2.9%
Fortra's Clearswift Secure Email Gateway1.2%
Other95.9%
Email Security
 

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.
NancyHartman - PeerSpot reviewer
Business Process Manager/ Educational Technologist at a educational organization with 1,001-5,000 employees
Layered email security has protected sensitive research and still flags phishing in real time
The valuable features of Microsoft Exchange Online Protection (EOP) include providing an additional layer of protection, as it builds on the basic Exchange level of security that allows us to get our work done. Another feature I appreciate is the ability to question things, as our Exchange server allows us to identify in real-time if an email is a phishing email or spam email. It really helps us identify risks, especially through our external exchanges via email or through our cloud-based platforms. Our Exchange system blocks any embedded AI from all our applications and products, so we cannot use embedded AI in our daily work from our official laptops because we have secure information. The system is quite locked down.

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."
"Ability to create your own content-filtering policies with relative ease."
"Go for it! I think it's an excellent product with great technical support."
"A stable solution."
"Microsoft EOP's most valuable feature is a shared mailbox."
"What I like most about Microsoft Exchange Online Protection is its integration with Windows, so we have one central view for all alerts and incidents."
"The initial setup was easy. The configuration process is very straightforward."
"It is useful for local users and our company because we use Microsoft 365."
"We use the solution to receive emails. We do not use the calendar function as our clients are slow adaptors to the latest features."
"We like the holding facility that is available for potentially suspicious URLs, which allows a real-time review to be performed before the email reaches a user's inbox."
"The most valuable feature of Microsoft Exchange Online Protection is the accidental release of information protection capabilities, and additionally, the solution is easy to use."
"With Microsoft Exchange Online Protection, if malware is attached to a mailer, it's very easy to go into the incident alert and find out what's happening with that identity and the mail."
 

Cons

"FTP server and TRUST Manager functionality."
"Malware needs improvement."
"I am not satisfied with Clearswift because of the lack of customer support."
"The reporting needs a little bit of improvement."
"We have experienced issues while migrating from on-prem to the cloud. The tool needs to improve its stability."
"Microsoft 365 Defender and EOP policies are stable with the proper license. However, with the basic policy, it's hard to say it's stable due to configuration limitations."
"I am somewhat happy with technical support from Microsoft. Sometimes it takes a while to get through to the right person or team."
"I would like to get reports about vulnerable connections from our clients with information about domains, public IPs, etc. That would be highly useful."
"It wasn't easy or intuitive enough for me to start using it. So, the reason was that the solution changed."
"It would be helpful for customers if Plan 1 features were included with EOP."
"It doesn't protect against everything. We do need protection for, for example, endpoints."
 

Pricing and Cost Advice

Information not available
"It is a low-price solution."
"The product's pricing is competitive for the US market."
"Microsoft Exchange Online Protection's pricing is a little bit more because its price has recently increased."
"The price of Microsoft Exchange Online Protection is reasonable."
"The solution is expensive but is backed by Microsoft's reputation."
"The pricing for the solution depends on what you are trying to achieve with the use of the product, but I know that it is not a cheaply priced product. Yearly payments have to be made towards the licensing fees of the solution."
"The product is bundled with Microsoft 365."
"It's a high price."
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Top Industries

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

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business23
Midsize Enterprise6
Large Enterprise13
 

Questions from the Community

Ask a question
Earn 20 points
What needs improvement with Microsoft Exchange Online Protection?
From an end-user point of view, I am quite happy with Microsoft Exchange Online Protection (EOP) because my favorite feature is the ease with which I can identify if an email is a phishing email or...
What is your primary use case for Microsoft Exchange Online Protection?
Microsoft Exchange Online Protection (EOP) serves as the main use case for my company because, as a research company, we require a very high level of security. We use multiple authentication method...
What advice do you have for others considering Microsoft Exchange Online Protection?
My experience with Microsoft Exchange Online Protection (EOP) is from an end-user perspective, and I do not have admin management experience. I am not familiar with the Advanced Threat Protection f...
 

Also Known As

No data available
Microsoft EOP, MS Exchange Online Protection
 

Overview

Find out what your peers are saying about Fortra's Clearswift Secure Email Gateway vs. Microsoft Exchange Online Protection (EOP) and other solutions. Updated: September 2026.
912,517 professionals have used our research since 2012.