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Fortra's Clearswift Secure Email Gateway vs IceWarp comparison

 

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 ...
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
0
Ranking in other categories
Email Security (39th)
IceWarp
Average Rating
8.4
Reviews Sentiment
7.0
Number of Reviews
17
Ranking in other categories
Email Applications (8th)
 

Mindshare comparison

While both are Messaging and Collaboration solutions, they serve different purposes. Fortra's Clearswift Secure Email Gateway is designed for Email Security and holds a mindshare of 1.0%, up 0.7% compared to last year.
IceWarp, on the other hand, focuses on Email Applications, holds 5.1% mindshare, down 5.7% since last year.
Email Security Market Share Distribution
ProductMarket Share (%)
Fortra's Clearswift Secure Email Gateway1.0%
Microsoft Defender for Office 3659.6%
Proofpoint Email Protection7.9%
Other81.5%
Email Security
Email Applications Market Share Distribution
ProductMarket Share (%)
IceWarp5.1%
Google Workspace16.0%
Microsoft Exchange Online11.1%
Other67.8%
Email Applications
 

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.
AvinashLotke - PeerSpot reviewer
Delivery Head at Team Computers
Useful for collaboration and storage but improvement is needed in API integration
The solution has traditional SSL integration, SAML, and Federation Services. In its latest version, it added SAML integration. However, it needs to work on API integration, especially for dashboards or integration with SAP for log and data system management. It doesn't yet have the kind of API that Google and Microsoft provide for synchronizing users with Active Directory. I think IceWarp needs to improve in a few areas. They have two types of admin consoles - a web-based one and a remote one. I'd like to see these combined into a single web-based admin console. The log reading and information system also needs improvement. The current way of showing incoming and outgoing logs isn't very clear. For new users, it's hard to understand these logs, especially compared to Office 365 and other systems with easier-to-read logs. They should also add an export option to get all logs with a single click whenever we need them.

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."
"Ability to create your own content-filtering policies with relative ease."
"It has great communication capabilities for team chatting and web conferences."
"Its price is the most valuable. It is definitely one of the lowest price solutions."
"The product is used very extensively in my company since we have around 1,500 users using it. Also, there is no requirement for any administrators to manage the product by the people who own the solution."
"The groupware module is the most valuable feature."
"The solution has a very good log-in to the UI when compared to other solutions."
"IceWarp has multiple applications that are easy to use for many people."
"The most valuable feature of IceWarp is the chat rooms and file-sharing, they are useful. It is convenient that everything is in one place. You can easily share and collaborate documents, making the program's unity a significant advantage."
"The solution's voice services work well for our company."
 

Cons

"Malware needs improvement."
"FTP server and TRUST Manager functionality."
"I would like to have a trial for mobile applications and more documentation similar to Google Drive with mobile applications."
"It is difficult to disable user rights on the console so some users accidentally delete their documents or user details."
"The exchange compatibility mode is rather limited. Their technical support can also be better. They only provide online support, and there should be some option for escalating."
"With multiple databases for VOIP, chat and web IMAP, maintenance is cumbersome."
"The solution needs improvements in security, particularly regarding document management."
"The solution should improve the mailing list feature. Google has a similar feature where you can automate sending files to different people in a sequence, but that feature is no longer available in the current version of IceWarp. Other features may also have been removed in the current version."
"Support should be improved. Most of the time, the queries are not resolved within the SLA."
"The solution has traditional SSL integration, SAML, and Federation Services. In its latest version, it added SAML integration. However, it needs to work on API integration, especially for dashboards or integration with SAP for log and data system management. It doesn't yet have the kind of API that Google and Microsoft provide for synchronizing users with Active Directory."
 

Pricing and Cost Advice

Information not available
"The solution is priced well."
"Price-wise, it's a cheaper solution, without a doubt. Price is the reason we are still using the tool."
"Pricing and licensing is very competitive and in some cases, cheap."
"Costs far less than other solutions."
"The solution is inexpensive which is its main benefit."
"I would rate the pricing and eight out of ten."
"The license is based on the number of users."
"It is definitely one of the lowest price solutions."
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Top Industries

By visitors reading reviews
Computer Software Company
12%
Comms Service Provider
10%
Financial Services Firm
10%
Educational Organization
8%
Computer Software Company
18%
Comms Service Provider
11%
Manufacturing Company
11%
Retailer
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business12
Midsize Enterprise4
Large Enterprise5
 

Questions from the Community

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What is your experience regarding pricing and costs for IceWarp?
IceWarp was very cost-effective, offering services at a significantly lower cost than Google, which was appealing for our organization.
What needs improvement with IceWarp?
The solution needs improvements in security, particularly regarding document management. Users currently have the rights to delete smart documents, which poses a challenge for administrators. A mor...
 

Overview

 

Sample Customers

Information Not Available
Marriott, Toyota, Sony, Wendy's, Canon
Find out what your peers are saying about Microsoft, Proofpoint, Check Point Software Technologies and others in Email Security. Updated: January 2026.
881,082 professionals have used our research since 2012.