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Cisco Secure Email vs Heimdal Email Security 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

Cisco Secure Email
Ranking in Email Security
5th
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
63
Ranking in other categories
Cisco Security Portfolio (6th)
Heimdal Email Security
Ranking in Email Security
54th
Average Rating
9.0
Reviews Sentiment
7.9
Number of Reviews
1
Ranking in other categories
Fraud Detection and Prevention (54th)
 

Mindshare comparison

As of November 2026, in the Email Security category, the mindshare of Cisco Secure Email is 4.7%, down from 5.1% compared to the previous year. The mindshare of Heimdal Email Security is 0.6%, up from 0.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security Mindshare Distribution
ProductMindshare (%)
Cisco Secure Email4.7%
Heimdal Email Security0.6%
Other94.7%
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.
Melvin Ong - PeerSpot reviewer
Country Manager at PT Symcaw Solutions Indonesia
Straightforward to set up, reliable, and offers good functionality
We primarily use the solution for email security and general email management.  It's improved our productivity.  The solution works well overall. The functionality is very good.  The setup process is easy.  It is stable and reliable. It's scalable.  I don't have any specific areas that need…

Quotes from Members

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

Pros

"It does a great job of preventing spam, malware, and ransomware. I can only go by what people have told me and what I've seen, but I have not seen spam in a year and a half to two years in my own company mailbox. And there are not a lot of catches where it's catching something that should have gotten through, either."
"The most significant enhancement we've gained is in terms of security through the upgrade we received."
"The tool comes with AI features. It is good for clients who already use Cisco products due to integration."
"The tool has a DLP solution which we can implement. Its database is updated regularly."
"We chose Cisco Iron Port as it delivers strong email security protection and our company needed it to protect the company's email systems from spam, email viruses, .exe files, unwanted email from unwanted sender etc."
"The product's initial setup phase was easy."
"Overall, the ease of migration to Cisco's cloud email security from the on-prem solution was a positive experience."
"It provides good IT assistance."
"It is stable and reliable."
 

Cons

"The hardware is not up to the mark. Two to three times a year we have complete downtime."
"The Forged Email Detection feature needs improvement, particularly with domain. The sensors are not that good and the rules sets are unclear."
"Scalability has certain shortcomings and needs to be improved because there are service providers who provide better scalability.v"
"The pricing needs to be reconsidered or enhanced."
"The tool's pricing can be improved."
"We have been struggling in the last month with Cisco encryption and with the S/MIME encryption. I don't know if it is an issue on our side or if these features of the solution are not working very well."
"The user interface needs some improvement to become more user-friendly. The graphics could be better. It's designed more for a technical user rather than a business user."
"The interface is dated. It has looked pretty much the same for 15 years or so. It would be helpful to be able to do everything from one spot. The centralized quarantine and reporting are completely separate from policy administration."
"The solution could be less expensive."
 

Pricing and Cost Advice

"The licensing is a mess and needs sorting out. I am not really concerned about the pricing because I only make recommendations, not buying decisions."
"It is a relatively expensive option compared to other alternatives."
"The licensing was all transferred."
"In my previous organization, avoiding four instances of CryptoLocker within an estimated six month period is approximately $600,000 in lost time and effort. Our five year cost was about a million dollars, and the four outages that we had equated to 65 percent of that five year cost."
"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."
"You're going to get what you pay for. If you're not willing to pay the price of Cisco, you're not going to get a product that's as good as Cisco. I don't think Cisco is overpriced, because for the last two years I've been comparing it to Microsoft and Cisco has been cheaper and given us more features."
"It is not that costly. We pay for the solution through a contractor and pay an annual fee."
Information not available
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Top Industries

By visitors reading reviews
Financial Services Firm
11%
Manufacturing Company
11%
Outsourcing Company
10%
Comms Service Provider
7%
Construction Company
20%
Manufacturing Company
11%
Energy/Utilities Company
9%
Comms Service Provider
7%
 

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 ...
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
MailSentry
 

Overview

 

Sample Customers

SUNY Old Westbury, CoxHealth, City of Fullerton, Indra
Brother, Symbion, CPH West
Find out what your peers are saying about Proofpoint, Microsoft, Check Point Software Technologies and others in Email Security. Updated: October 2026.
921,714 professionals have used our research since 2012.