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Cisco Secure Email vs Fortra's Clearswift Secure Email Gateway comparison

 

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
5th
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
62
Ranking in other categories
Cisco Security Portfolio (6th)
Fortra's Clearswift Secure ...
Ranking in Email Security
41st
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 October 2025, in the Email Security category, the mindshare of Cisco Secure Email is 5.6%, down from 7.8% compared to the previous year. The mindshare of Fortra's Clearswift Secure Email Gateway is 1.0%, up from 0.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security Market Share Distribution
ProductMarket Share (%)
Cisco Secure Email5.6%
Fortra's Clearswift Secure Email Gateway1.0%
Other93.4%
Email Security
 

Featured Reviews

Kostas Karidas - PeerSpot reviewer
Helps prevent security breaches but fails to improve in the area of AI
I have not noticed any impressive advanced threat protection mechanisms in the tool. I don't know if there are any AI features in the product. I don't know if there is any other technology embedded in the solution. Cisco Secure Email successfully mitigated potential email threats. My company has seen plenty of scenarios where Cisco Secure Email successfully mitigated potential email threats, spam emails, and fraudulent domains. The product is good for dealing with spam emails, and it can take care of more than 100 spam emails per day. A huge number of spam emails are monitored with the help of Cisco Secure Email. I would not recommend the product to other businesses because you need to have some kind of expertise in configuring and knowing a bit about the tool's GUI. The tool also lacks in the area of AI mechanics. If I would like to have an overview and review another solution, I would go for another product other than Cisco Secure Email. I can definitely suggest others to look at the product and review it, but I would also recommend that they compare it with the other solutions in the market. I wouldn't prioritize Cisco Secure Email over other tools. Either the support partner of the product or I take care of the tool's maintenance phase by looking into the configurations and doing some fine-tuning. I rate the tool a seven to eight out of ten.
PC
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

"The system provides our service desk with the means to troubleshoot email delivery issues with ease."
"The malicious URL scanning, as well as the anti-malware features, have been really useful for us in our environment."
"The most valuable feature is the different content filters we are using, such as DKIM."
"The technical support from Cisco is perfect."
"It provides good IT assistance."
"The security features are valuable."
"There were detailed logs available. That was a seriously good feature... It turns out these were actually spoof emails that came into our environment. I got to know about them from the log system."
"We rely heavily on antivirus protection, email content filtering, and authentication mechanisms to ensure compliance with email security. Regarding phishing attempts, while phishing protection features are crucial, we also emphasize user education as a critical defence. The intelligence services Cisco provides, such as the Cisco Intelligence Center, play a significant role in analyzing and validating threats, including phishing attempts, in our email security practices."
"Ability to create your own content-filtering policies with relative ease."
"A stable solution."
 

Cons

"I would like more functionality and how to use it for Level 2 type staff. The biggest issue is it needs to be easier to use and navigate."
"The product's GUI for the dashboard needs improvement."
"The discontinuation of physical hardware solutions is a significant area for improvement in Cisco Email Security Appliance. This decision has posed challenges as virtual appliances are now the only option, which may not be suitable for all industries. The uncertainty regarding the future of the hardware aspect of the solution is a notable concern."
"We have occasionally had hardware problems because we are using an appliance-based solution, but that might change. We may consider going to virtual systems."
"We didn't get any malware, but a few phishing emails, maybe one or two, slipped in."
"The configuration UI should be made more intuitive. Currently, it takes a while to understand how to do the basic configurations."
"My opinion on the licensing of this solution is that it is a mess that needs sorting out. I am not particularly bothered by pricing as I administer it and make recommendations for people to buy or not to buy."
"Scalability has certain shortcomings and needs to be improved because there are service providers who provide better scalability.v"
"Malware needs improvement."
"FTP server and TRUST Manager functionality."
 

Pricing and Cost Advice

"It is a relatively expensive option compared to other alternatives."
"I rate the product price as six on a scale of one to ten, where one means it is a very expensive tool."
"It is an expensive product. I rate its pricing an eight or nine."
"Licensing costs depend on how many users there are. It could range between $5 and $7 per month, per user."
"Compared to Cisco's on-prem service, the cost is the same, but you don't have to pay for the hardware and you don't have to maintain the system, as far as upgrades and hardware failures are concerned. It is cheaper to operate on their cloud service than it is to operate with their on-prem service."
"I would rate the pricing a ten out of ten, where one is cheap, and ten is expensive."
"I don't have the insights into it, but compared to different products, it seems to have a medium level of pricing."
"The product's price falls on the higher side when compared to the other products on the market."
Information not available
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Top Industries

By visitors reading reviews
Computer Software Company
19%
Financial Services Firm
9%
Manufacturing Company
8%
Government
6%
Computer Software Company
16%
Government
10%
Comms Service Provider
10%
Financial Services Firm
10%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business22
Midsize Enterprise18
Large Enterprise25
No data available
 

Questions from the Community

What do you like most about Cisco Secure Email?
Cisco Secure Email is a budget-friendly solution.
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 user interface of the Email Security Gateway ( /products/security-gateway-reviews ) should be improved. It would be beneficial to have the functionality of the Email Threat Defense integrated i...
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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 2025.
870,697 professionals have used our research since 2012.