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Fortra's Clearswift Secure Email Gateway vs GateScanner by Sasa Software comparison

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Comparison Buyer's Guide

Executive Summary

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
GateScanner by Sasa Software
Ranking in Email Security
25th
Average Rating
10.0
Reviews Sentiment
7.3
Number of Reviews
1
Ranking in other categories
No ranking in other categories
 

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 GateScanner by Sasa Software is 0.3%, up from 0.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security Mindshare Distribution
ProductMindshare (%)
GateScanner by Sasa Software0.3%
Fortra's Clearswift Secure Email Gateway1.2%
Other98.5%
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.
Uday Nagpure  - PeerSpot reviewer
Program Manager at Zensar Technologies
Initial setup has required learning but file sanitization now protects all internal exchanges
The best features GateScanner by Sasa Software offers include multiple options, but Deep CDR is one of my favorites as it is the most used feature in the organization and it sanitizes files before they reach the users. The second feature I value is the secure file transfer, which works for both internal and external exchanges. The third feature is policy-based scanning, which lets us apply different policies on different types of users, files, and transfers. This helps us set rules and implement policies on different kinds of users. Policy-based scanning is important for our organization as it helps us apply a filter, enabling us to apply the type of user, file, or transfer, ensuring that if we are highlighting something or making it clear that this element is more important to scan, then it highlights it and ensures that it is scanned properly. This is why it is useful.

Quotes from Members

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

Pros

"Ability to create your own content-filtering policies with relative ease."
"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."
"GateScanner by Sasa Software has positively impacted our organization by reducing the need for manual file inspection and avoiding custom security controls on every file transfer, saving us around 78% of the manual time we were spending on file inspection and custom security controls."
 

Cons

"I am not satisfied with Clearswift because of the lack of customer support."
"FTP server and TRUST Manager functionality."
"Malware needs improvement."
"GateScanner by Sasa Software is a great solution, but if I had to suggest an improvement, the initial configuration could be easier for teams that are new to CDRs."
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Top Industries

By visitors reading reviews
Financial Services Firm
11%
Construction Company
11%
Comms Service Provider
9%
Retailer
9%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
No data available
 

Questions from the Community

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What is your experience regarding pricing and costs for GateScanner by Sasa Software?
The metering and billing experience is excellent. I did not face any challenges, as we are using a pay-as-you-go model, which ensures we are paying only for what we are using, not more than that. T...
What needs improvement with GateScanner by Sasa Software?
GateScanner by Sasa Software is a great solution, but if I had to suggest an improvement, the initial configuration could be easier for teams that are new to CDRs. The company could also provide be...
What is your primary use case for GateScanner by Sasa Software?
Our main use case for GateScanner by Sasa Software is as a file gateway for inspecting and sanitizing files that are coming into the organization and moving through the organization. Our main objec...
 

Overview

 

Sample Customers

Information Not Available
Israel and Singapore governments, Teva Pharmaceuticals, Zim shipping, Emerson, Motorola, Societe Generale bank, Nobel Energy
Find out what your peers are saying about Proofpoint, Microsoft, Check Point Software Technologies and others in Email Security. Updated: August 2026.
912,753 professionals have used our research since 2012.