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Fortra's Clearswift Secure Email Gateway vs IceWarp 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 ...
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
0
Ranking in other categories
Email Security (31st)
IceWarp
Average Rating
8.4
Reviews Sentiment
7.0
Number of Reviews
17
Ranking in other categories
Email Applications (11th)
 

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 1.4%, up 1.0% compared to last year.
IceWarp, on the other hand, focuses on Email Applications, holds 4.7% mindshare, down 5.2% since last year.
Email Security Mindshare Distribution
ProductMindshare (%)
Fortra's Clearswift Secure Email Gateway1.4%
Proofpoint Email Protection5.9%
Microsoft Defender for Office 3655.0%
Other87.7%
Email Security
Email Applications Mindshare Distribution
ProductMindshare (%)
IceWarp4.7%
Google Workspace17.7%
Amazon WorkMail11.1%
Other66.5%
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

"Go for it! I think it's an excellent product with great technical support."
"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."
"Ability to create your own content-filtering policies with relative ease."
"An effective, functional, very good tool for controlling resources at a low cost."
"If you have a small to medium business and you require a professional collaboration server that focuses on the main services of emails and calendar scheduling, I recommend IceWarp."
"The TeamChat feature has been really good for our email management. It lets us collaborate, share files, and invite guests like Google Spaces or Microsoft Teams. I like the two-factor authentication for security. However, they need to improve their document collaboration tools, as their Word, Excel, and PowerPoint features are basic compared to Microsoft and Google."
"As the license of our company is very affordable per year and per user, and considering the almost-zero administration needs, I would say that the cost is returned in the first three months, compared to other solutions."
"IceWarp offers very extended cross-platform communication solutions."
"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 is easy to manage and includes features such as smart documents and the archiving of user data."
"With all of the features that are available for the users included with the license, it is reasonably priced."
 

Cons

"Malware needs improvement."
"I am not satisfied with Clearswift because of the lack of customer support."
"FTP server and TRUST Manager functionality."
"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."
"The solution needs improvements in security, particularly regarding document management."
"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."
"There are some feature improvements possible the way we use it as a hosting provider, but for most we currently have workarounds."
"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."
"Support should be improved. Most of the time, the queries are not resolved within the SLA."
"I would like to have a trial for mobile applications and more documentation similar to Google Drive with mobile applications."
 

Pricing and Cost Advice

Information not available
"Our licensing is on a yearly basis. There were no additional costs."
"Costs far less than other solutions."
"Pricing and licensing is very competitive and in some cases, cheap."
"I don't see any challenges for the Indian market. For example, 1 GB is available for around 399 INR, and 2 GB for 499 INR. They offer a range of plans, from basic to professional and enterprise, with multiple features. IceWarp's aggressive pricing is competitive compared to other market solutions like Zoho and Microsoft. One significant advantage is that IceWarp does not impose user capping like Google and Microsoft, which allows for substantial cost savings and flexibility in user conversion."
"Price-wise, it's a cheaper solution, without a doubt. Price is the reason we are still using the tool."
"The license is based on the number of users."
"The solution is inexpensive which is its main benefit."
"There are various licensing plans available based on geographic zone."
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Top Industries

By visitors reading reviews
Construction Company
12%
Retailer
11%
Financial Services Firm
11%
Comms Service Provider
8%
Comms Service Provider
14%
Manufacturing Company
14%
Outsourcing Company
11%
Financial Services Firm
8%
 

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

Ask a question
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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...
What is your primary use case for IceWarp?
We managed approximately one thousand user accounts with IceWarp for company communications. We utilized features such as smart attachments and document solutions. Our setup was primarily on-premis...
 

Overview

 

Sample Customers

Information Not Available
Marriott, Toyota, Sony, Wendy's, Canon
Find out what your peers are saying about Proofpoint, Microsoft, Check Point Software Technologies and others in Email Security. Updated: October 2026.
920,574 professionals have used our research since 2012.