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Cisco Secure Email vs Fortra's Clearswift Secure Email Gateway 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

Cisco Secure Email
Ranking in Email Security
4th
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
63
Ranking in other categories
Cisco Security Portfolio (6th)
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
 

Mindshare comparison

As of September 2026, in the Email Security category, the mindshare of Cisco Secure Email is 4.5%, down from 5.3% compared to the previous year. The mindshare of Fortra's Clearswift Secure Email Gateway is 1.2%, up from 0.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security Mindshare Distribution
ProductMindshare (%)
Cisco Secure Email4.5%
Fortra's Clearswift Secure Email Gateway1.2%
Other94.3%
Email Security
 

Featured Reviews

KS
Technical Associate Network Security at Valuepoint Systems
Email security has protected financial data and provides clear tracking for every branch message
The areas of Cisco Secure Email that could be improved or enhanced are the slowness in the console. I don't think it was a database error or something, but we feel some slowness in configuring DLP and other content filters compared to other consoles. It may have been due to on-premises, but it was much noisy at some times while configuring DLP. When we tried to configure a DLP policy, the console became much slower. In that case, we cannot see what had happened in the mail which was blocked at that time. It may take nearly an hour to get back to normal while configuring policies. That is the major issue in the product.
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.

Quotes from Members

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

Pros

"It is doing its work. It is doing what it was actually designed to do. It has ensured we don't have business email compromises, and it has also ensured that our brand Galaxy is unique all year round."
"It saves a lot of time wasting, for example, phishing attacks distract a user's attention and forged emails waste a lot of time, and this solution helps protect user data."
"The filtering is definitely better at catching both spam and malicious messages, and there's a lot of extremely granular ability for setting up rules. You can do it the way you want to. The Microsoft solution tends to be pretty limited in how it allows some of that to be done."
"The Cisco Email Security Appliance has enabled us to reduce spam by at least 30% compared to our previous solution."
"It sends us reports, where we can see if there have been attacks, e.g. DDoS. If so, we can switch to a clean IP."
"The solution works well."
"It's flexible. There are a lot of rules and policies that can be easily applied for certain employees or certain mailboxes."
"Cisco Secure Email is a budget-friendly solution."
"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."
"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."
 

Cons

"One of the things that Cisco could improve on with IronPort is the support. Cisco doesn't really have enough engineers who have full, hands-on knowledge of IronPort. Knowledge of it is not something you can find easily compared to other security appliances."
"Better dashboards and more interactive overviews would be nice, but the current functionality is sufficient."
"They can do it better with web links, with the URLs. They have a technology called Outbreak but it doesn't work as well as we would like."
"That's why I wouldn't give it anywhere near a perfect score, because the artificial intelligence just isn't there yet."
"I have some frustrations with the user experience in the interface, specifically with regard to making a list of people for whom I want to allow email access."
"The configuration UI should be made more intuitive. Currently, it takes a while to understand how to do the basic configurations."
"Typically, in a phishing email, they try to use a name everybody's going to recognize, like the CEO's name or the CFO's name... With this appliance, the way it's designed at the moment, for us to really stop that with any level of confidence, we have to build a dictionary of all the names of the people we want it to check, and all the ways they could be spelled. My name would be in there as Phillip Collins, Phillip D. Collins, Phillip Dean Collins, Phil Collins, Phil D. Collins. There could be eight or 10 variations of my name that we'd have to put in the dictionary. There's no artificial intelligence to say "Phil Collins" could be all these other things, and to stop phishing from coming through in that way."
"Scalability has certain shortcomings and needs to be improved because there are service providers who provide better scalability.v"
"I am not satisfied with Clearswift because of the lack of customer support."
"Malware needs improvement."
"FTP server and TRUST Manager functionality."
 

Pricing and Cost Advice

"The solution is expensive."
"The pricing for the Cisco Email Security Appliance involves recurring costs for licenses based on the contracted time frame, such as one year, three years, or five years. Renewals are required after the license expires."
"The licensing was all transferred."
"It is a super big router that costs a few hundred thousand dollars."
"It is expensive. I would rate it 2 out of 10, where 1 is the most expensive and 10 is the cheapest."
"I would rate the pricing a ten out of ten, where one is cheap, and ten is expensive."
"Licensing costs depend on how many users there are. It could range between $5 and $7 per month, per user."
"It is a relatively expensive option compared to other alternatives."
Information not available
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Top Industries

By visitors reading reviews
Financial Services Firm
11%
Outsourcing Company
9%
Manufacturing Company
9%
Comms Service Provider
7%
Financial Services Firm
11%
Construction Company
11%
Comms Service Provider
9%
Retailer
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business22
Midsize Enterprise18
Large Enterprise27
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for Cisco Secure Email?
The pricing structure is good as it is user-based or email client-based, which is positive for clients.
What needs improvement with Cisco Secure Email?
The areas of Cisco Secure Email that could be improved or enhanced are the slowness in the console. I don't think it was a database error or something, but we feel some slowness in configuring DLP ...
What is your primary use case for Cisco Secure Email?
We are using Cisco Secure Email to monitor the outgoing and incoming mail traffic in our financial institute. We have nearly 900 branches all over India. We have an on-premises mail server in which...
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Also Known As

Cisco Email Security, IronPort, Cisco Email Security, ESA, Email Security Appliances
No data available
 

Overview

 

Sample Customers

SUNY Old Westbury, CoxHealth, City of Fullerton, Indra
Information Not Available
Find out what your peers are saying about Cisco Secure Email vs. Fortra's Clearswift Secure Email Gateway and other solutions. Updated: September 2026.
912,565 professionals have used our research since 2012.