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Fortra's Clearswift Secure Email Gateway vs Proofpoint Email Protection 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

Microsoft Defender for Offi...
Sponsored
Ranking in Email Security
1st
Average Rating
8.4
Reviews Sentiment
7.0
Number of Reviews
52
Ranking in other categories
Email Archiving (1st), Advanced Threat Protection (ATP) (2nd), Microsoft Security Suite (10th), Secure Email Gateway (SEG) (1st)
Fortra's Clearswift Secure ...
Ranking in Email Security
40th
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
0
Ranking in other categories
No ranking in other categories
Proofpoint Email Protection
Ranking in Email Security
2nd
Average Rating
8.4
Reviews Sentiment
7.1
Number of Reviews
52
Ranking in other categories
Security Awareness Training (2nd), Digital Risk Protection (3rd), Office 365 Protection (2nd), Secure Email Gateway (SEG) (3rd)
 

Mindshare comparison

As of June 2025, in the Email Security category, the mindshare of Microsoft Defender for Office 365 is 12.6%, down from 17.6% compared to the previous year. The mindshare of Fortra's Clearswift Secure Email Gateway is 0.8%, up from 0.5% compared to the previous year. The mindshare of Proofpoint Email Protection is 8.2%, down from 11.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security
 

Featured Reviews

Tolu Omolaja - PeerSpot reviewer
Great URL scanning and attachment scanning, but I would like more proactive threat analysis
The two main features that prove most beneficial for us are URL scanning and attachment scanning. URL scanning involves an automatic scan of links and emails. When a user clicks on a link within an email, the system promptly checks the link's safety. If the link is deemed safe, access is granted automatically. However, if it is flagged as unsafe, we receive feedback and notification to caution us about the potentially harmful link. At this point, we are presented with the option to proceed or return. I have personally witnessed the system identify a few unsafe links, making this the primary advantage of using the solution. The second crucial aspect is the scanning of attachments. When an email containing an attachment arrives, we receive a notification of the new email, along with information that the attachment is being scanned for threats. This additional layer of security provides peace of mind for our organization. While Microsoft Defender for Office 365 offers numerous features, these two stand out as particularly impressive and valuable to us.
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.
AhmedRamadan - PeerSpot reviewer
Optimize email security with effective sandboxing and auto Pull for quarantine
Proofpoint is used as an email security gateway for big enterprises, primarily for their on-premises servers. Many customers also use it alongside Office 365 Proofpoint offers a complete solution for email security with features like DLP, email archiving, and encryption. The most valuable…

Quotes from Members

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

Pros

"At the moment we are satisfied with this product. It's a stable, scalable, and resilient solution for us."
"The email protection is excellent, especially in terms of anti-phishing policies."
"It gives us visibility into threats and, for endpoints, it helps us to prioritize threats. We used to have a lack of visibility, but now our time to detect and respond has decreased."
"The most valuable feature of Microsoft Defender for Office 365 is its spam filter."
"The product is not resource-intensive."
"The technical support is good and quick to resolve issues."
"The initial setup is straightforward. You just add the license, click it, and then you can set up the rules. It is quite simple."
"The basic features are okay and I'm satisfied with the Defender."
"Ability to create your own content-filtering policies with relative ease."
"A stable solution."
"The solution scales well."
"From a business perspective, the solution was very helpful as it speeded our business flow and increased email delivery."
"The most valuable feature of Proofpoint Email Protection is the blocking capabilities, it blocks a lot of potential threats."
"The Tap and Trap features. They are the best features."
"The most valuable features of Proofpoint Email Protection are the performance from being on the cloud."
"I would recommend Proofpoint Email Protection to others because it is useful, simple to use, and provides whatever is required."
"The most valuable feature is the ability to remove bad messages that were delivered, prior to being classified as unwanted."
"The archive feature is valuable."
 

Cons

"We need to be able to whitelist data at the backend."
"Microsoft should provide more documentation for users so they can self-educate. I would like to see more documentation for advanced security features."
"Specifically, within Microsoft Defender for Office 365, I want it to improve the DLP capabilities."
"There needs to be an improvement in integrating the product to work across multiple operating systems, and to have better support for non-Microsoft file types."
"We still see many false positives from time to time with Microsoft Defender for Office 365, so it would be good if we can reduce those false positives and provide better workflows for our end users, as sometimes they may not know what to do when they encounter a false positive."
"About eight months ago, we started to measure the quantity of phishing and spam that we have been receiving, and it has been increasing a lot. That means that protection for our email is not as good as we were expecting."
"They have moved features from one console to another. Things have been moved around in the interface and it takes me time to find where certain features are."
"The visibility for the weaknesses in the system and unauthorized access can be improved."
"FTP server and TRUST Manager functionality."
"Malware needs improvement."
"Phishing detection could improve further to match some of the capabilities offered by competitors."
"The solution could lower its price."
"The reporting section could be enhanced. I like some reports but if they could allow us to create custom reports with more flexibility it would enhance the reports more."
"The solution should add post-sales training."
"Proofpoint has a lot of false alarms."
"The scalability can be improved, and the solution can be optimized."
"Integration and filtering out who you want and don't want to have integrated ID could be improved."
"The product's deployment is complex and requires technical knowledge."
 

Pricing and Cost Advice

"The solution could be better by simplifying the business model of their licensing. It was hard to figure out how to get the licensing done for the environment, initially."
"For large enterprise organizations, they can definitely afford it, but for small and medium organizations, they might struggle to cover the expenses."
"The product is expensive."
"From the pricing point of view, like any other product in the market, there is scope for negotiation."
"Microsoft Defender for Office 365 is an add-on to the Office license. Many customers are purchasing this solution."
"It is much more expensive than using another solution because we have had to include some options and upgrade our license."
"Microsoft Defender for Office 365 comes with Microsoft Windows. It is free with the operating system."
"I was working in the government and it was too expensive for us to use our Microsoft products."
Information not available
"The solution uses a licensing model that is reasonable compared to other products."
"Clients pay for an annual subscription of Proofpoint Email Protection. Every client always finds it expensive."
"I rate the product price a seven on a scale of one to ten, where one is low price and ten is high price."
"They are competitively priced, but I have been forced to get quotes for other solutions now because they haven't been responding to requests to do the work that we would like them to do."
"The tool's pricing depends on the customer's preference, offering options for an annual license or a monthly subscription. The cost varies based on factors such as the number of users and specific requirements. Overall, the pricing is competitive."
"Customers pay around $90,000 yearly for a 1,000-user organization, with the subscription license being the main expense, apart from implementation fees."
"Proofpoint is fairly expensive."
"It is expensive."
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Top Industries

By visitors reading reviews
Computer Software Company
16%
Financial Services Firm
8%
Manufacturing Company
8%
Government
6%
Computer Software Company
24%
Financial Services Firm
16%
Government
10%
Comms Service Provider
7%
Computer Software Company
14%
Educational Organization
13%
Financial Services Firm
10%
Manufacturing Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

What do you like most about Microsoft Defender for Office 365?
Threat Explorer is an invaluable tool for me, and it plays a crucial role in helping me discern the origins of variou...
What is your experience regarding pricing and costs for Microsoft Defender for Office 365?
Microsoft is quite affordable with a lot of features available for any size organization.
What needs improvement with Microsoft Defender for Office 365?
Microsoft could improve by offering recommendations for domain spoofing attacks, especially scenarios where DNS recor...
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What is your experience regarding pricing and costs for Proofpoint Email Protection?
In terms of pricing, it is okay compared to others. I would say it is normal. Additional costs do come in, but it enh...
What needs improvement with Proofpoint Email Protection?
It became very expensive due to the nature of local circumstances, and I may advise Proofpoint to adjust marketing so...
 

Also Known As

MS Defender for Office 365
No data available
Proofpoint Enterprise Protection, Cofense PhishMe, Proofpoint Digital Protection
 

Overview

 

Sample Customers

Microsoft Defender for Office 365 is trusted by companies such as Ithaca College.
Information Not Available
Blocket, University of Waterloo, Lincoln Memorial University, WellSpan Health, U-Haul, Carestream Health, Westinghouse
Find out what your peers are saying about Fortra's Clearswift Secure Email Gateway vs. Proofpoint Email Protection and other solutions. Updated: June 2025.
859,579 professionals have used our research since 2012.