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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

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
Proofpoint Email Protection
Ranking in Email Security
1st
Average Rating
8.4
Reviews Sentiment
6.7
Number of Reviews
111
Ranking in other categories
Advanced Threat Protection (ATP) (2nd), Digital Risk Protection (3rd), Office 365 Protection (1st), Secure Email Gateway (SEG) (1st)
 

Mindshare comparison

As of October 2026, in the Email Security category, the mindshare of Fortra's Clearswift Secure Email Gateway is 1.3%, up from 0.9% compared to the previous year. The mindshare of Proofpoint Email Protection is 5.9%, down from 7.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security Mindshare Distribution
ProductMindshare (%)
Proofpoint Email Protection5.9%
Fortra's Clearswift Secure Email Gateway1.3%
Other92.8%
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.
Siva_Prasad - PeerSpot reviewer
Senior Consultant at a tech vendor with 10,001+ employees
Email defenses have reduced phishing incidents and protect sensitive data across our enterprise
As things are evolving and threats develop in unpredictable ways, Proofpoint must adopt AI solutions and agentic solutions more aggressively and provide them to customers as part of service offerings. Inbuilt AI solutions would add more value and make Proofpoint a more premium choice for customers. With the help of AI solutions, agentic AI, and generative AI capabilities, the product would be more efficient than it currently is. Filtering false positives is highly challenging because it is impossible for humans to identify which emails are genuine and which are spam. Proofpoint should focus more on this area with back-end agents or other tools. Proofpoint should decide which emails are genuine and which are spam so it is not a challenge for end users. When receiving an email, end users should not have to determine whether to respond or not. Proofpoint should not release such spam emails and should strictly block such spam and spoof emails based on connection IPs. Currently, false positives occur in the product, and while this occurs in every product, it is an area where Proofpoint can focus on improving and reducing false positives. One email is enough for an end user to be deceived and lose money, so addressing this area is critical.

Quotes from Members

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

Pros

"A stable solution."
"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."
"It's one of the top products out there."
"Proofpoint Email Protection is a good product, and its most beneficial feature is the Threat Response Auto-Pull. I also like that it's an integrated email security solution."
"Overall, using Proofpoint Email Protection has positively impacted our security posture, and we are using multiple products in Proofpoint, including DLP and email protection, and the real-time experience has us very satisfied."
"A lot of automation is present, and the quarantining of malicious emails and these processes are good and really help us in the investigation as well as the remediation part."
"Proofpoint Email Protection helped create a safe environment by blocking and preventing Active Directory harvesting attacks, imposter attacks, backscattering, spam, and malicious attacks."
"The most valuable feature of Proofpoint Email Protection is the TAP Dashboard. It provides more detailed information that can be used for forensic analysis. This is an advantage that other email security providers, such as Cisco, IronPort, or Microsoft do not offer in their dashboards."
"Proofpoint Email Protection has positively impacted our organization as it has been deployed for more than five years, serving as a good SEG that protects our staff members before email hits their inboxes and filters out junk or spam, allowing users to spend significantly more time on real work rather than going through unnecessary emails."
"Proofpoint Email Protection has increased the efficiency of the organization, as before a single end user might be receiving fifteen, twenty, or thirty spam emails in a week, but with Proofpoint Email Protection, they have decreased by approximately eighty percent, so users are receiving many fewer spam emails and do not have to go through all the spam emails just to verify if they are legitimate or not."
 

Cons

"I am not satisfied with Clearswift because of the lack of customer support."
"Malware needs improvement."
"FTP server and TRUST Manager functionality."
"There are a couple of pain points regarding uploading false negatives and other related issues."
"I think Proofpoint Email Protection could be slightly more intuitive."
"The only limitation we have with Proofpoint Email Protection is when we implement it with Google Workspace."
"You only receive one model in Proofpoint Email Protection and the other ones you have to purchase at a high price. There should be more available with the solution and additional models should be less expensive."
"The scalability can be improved, and the solution can be optimized."
"The licensing cost of Proofpoint Email Protection is a lot higher than other solutions, such as Barracuda."
"Sometimes it detects false positives."
"Proofpoint Email Protection could improve by allowing more customization of the reports, such as exceptions and black-and-white lists."
 

Pricing and Cost Advice

Information not available
"I rate the product price a seven on a scale of one to ten, where one is low price and ten is high price."
"The licensing cost of Proofpoint Email Protection is a lot higher than other solutions, such as Barracuda."
"Proofpoint Email Protection is a reasonably priced product, which means that it is neither too low nor too high in terms of price."
"Pricing has recently been increased and the cost is a downside"
"Annually, it costs us about $92,000. This is pretty much what it costs us. There is no additional cost."
"The licensing model for Proofpoint Email Protection is simple. It's based on the number of users. Price-wise, Proofpoint Email Protection is a five out of ten because it's a pretty expensive solution."
"The solution charges per user per month to use it. There are not any additional fees in addition to the standard living fees."
"Proofpoint is fairly expensive."
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Top Industries

By visitors reading reviews
Construction Company
12%
Financial Services Firm
11%
Retailer
10%
Comms Service Provider
8%
Financial Services Firm
13%
Outsourcing Company
10%
Manufacturing Company
10%
Comms Service Provider
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business30
Midsize Enterprise25
Large Enterprise62
 

Questions from the Community

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Earn 20 points
What needs improvement with Proofpoint Email Protection?
To improve Proofpoint Email Protection, I suggest breaking down the URL into one versus three different GUIs. Regarding Proofpoint Email Protection's AI capabilities, I think its governance and sec...
What is your primary use case for Proofpoint Email Protection?
My main use case for Proofpoint Email Protection includes phishing emails, spam, URL isolation, and training. I utilize the email protect portal to ensure that none of our employees in any of the b...
 

Also Known As

No data available
Proofpoint Enterprise Protection, Proofpoint Digital Protection
 

Overview

 

Sample Customers

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: September 2026.
915,533 professionals have used our research since 2012.