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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
4th
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
58th
Average Rating
9.0
Reviews Sentiment
7.9
Number of Reviews
1
Ranking in other categories
Fraud Detection and Prevention (55th)
 

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 Heimdal Email Security is 0.5%, 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 Email4.5%
Heimdal Email Security0.5%
Other95.0%
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

"The system provides our service desk with the means to troubleshoot email delivery issues with ease."
"Apart from the improvement needed to the filters, it was all good."
"I love the Advanced Malware Protection feature. It works very well... The appliance has more security such as SDF, DKIM, DMARC, and encryption."
"It's flexible. There are a lot of rules and policies that can be easily applied for certain employees or certain mailboxes."
"The solution works well."
"This is a great product with wonderful support."
"The reasons I chose Cisco Secure Email Gateway are the interface is - it's easy to use - and the support is great."
"Even though it's not perfect, it has the IMS engine, Intelligent Multi-Scan engine, and it does a good job, right out-of-the-box, of blocking the vast majority of things that should be blocked."
"It is stable and reliable."
 

Cons

"The UI is definitely one area of improvement because it doesn't match other interfaces and the navigation can be a little clunky."
"We have Microsoft and we have the E5 licenses, they have more EDR responses on certain emails. That's something that Cisco ESA on the cloud doesn't have. They don't do anything about MITRE attacks. They only detect if there is a malicious email or a threat and they remove it."
"The primary areas for improvement are the pricing and the complexity of deployment."
"It is not user-friendly, and it is quite complicated. So, it should be more user-friendly."
"More than a few steps are required to apply rules and these are not essentially intuitive."
"They can do it better with web links, with the URLs."
"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."
"Cisco Email Secure's pricing needs to be less. We have vendors who provide cheaper solutions with the same features."
"The solution could be less expensive."
 

Pricing and Cost Advice

"The license was not per user, the license model was per feature. You could choose anti-virus, anti-spam, etc. It was feature-based and charged yearly."
"It is expensive. I would rate it 2 out of 10, where 1 is the most expensive and 10 is the cheapest."
"The solution is expensive."
"The licensing was all transferred."
"I would rate the pricing a ten out of ten, where one is cheap, and ten is expensive."
"The pricing is good."
"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 not that costly. We pay for the solution through a contractor and pay an annual fee."
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Top Industries

By visitors reading reviews
Financial Services Firm
11%
Outsourcing Company
10%
Manufacturing Company
9%
Comms Service Provider
7%
Construction Company
20%
Manufacturing Company
9%
Government
7%
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 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
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: August 2026.
913,806 professionals have used our research since 2012.