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Cisco Secure Email vs Trellix Collaboration Security 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)
Trellix Collaboration Security
Ranking in Email Security
18th
Average Rating
8.6
Reviews Sentiment
7.0
Number of Reviews
15
Ranking in other categories
Instant Communications Security and Compliance (4th), Secure Email Gateway (SEG) (8th)
 Mindshare comparison
As of November 2025, in the Email Security category, the mindshare of Cisco Secure Email is 5.5%, down from 7.6% compared to the previous year. The mindshare of Trellix Collaboration Security is 1.9%, down from 2.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security Market Share Distribution
ProductMarket Share (%)
Cisco Secure Email5.5%
Trellix Collaboration Security1.9%
Other92.6%
Email Security
 Featured Reviews
BD
Chief Information Security Officer at Abcl
Threat intelligence with fast attack detection enables comprehensive email protection
In some cases, detection is missed, leading to false positives where genuine emails are flagged as spam. This could result in users not opening genuine emails. We have highlighted this to Cisco because sometimes phishing or marketing campaigns, which are genuine, are incorrectly flagged as spam. The solution should better analyze the actual content rather than only focusing on the email header or origin.
SA
Senior Team Leader at BMB
Email protection solidifies threat coverage and fulfills customer needs
The entire system is stable and delivers what the customer needs. Trellix Collaboration Security is valued for being a stable and comprehensive solution that fulfills customer needs. Despite not being able to use it for complete on-premises email security, it is effective for sandboxing and new threat coverage, working as a standalone solution without needing to integrate with other systems.
Quotes from Members
We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 Pros
"It has an intuitive, clear graphical interface where you can deploy your policies and understand the overall flow. There are a lot of things that you cannot handle on the graphic interface, like message filters. For this, you need to go to a lower level where you have more power, like command line interface. So, this solution has the best of both worlds. There are not a lot of bells and whistles. It is more practical with access to most features that you can configure."
"My favorite feature of Cisco Secure Email is the threat intelligence capabilities, particularly its integration with Cisco Talos."
"Because we scan products, and there is a lot of critical data, security is very important in these cases."
"It blocks bulk marketing messages, graymail, spam, and provides advanced malware protection."
"Cisco Secure Email is part of Cisco's extensive efforts and investments in technology, especially in the realm of cyber security. The product is one among many security solutions offered by Cisco."
"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."
"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."
"We like the in-built features, like the email filtering based on the IP and domain. Cisco has its own blacklisted domains and IPs, which is very good. This filters around 70 percent of emails from spam, and we are seeing fewer false positives with this."
"We have had very good results from the use of FireEye Email Security. We are very comfortable with this technology, but I don't know if it's necessary to move into the cloud, we will check other technologies and study them. Additionally, the solution has good integration."
"I like FireEye's filtering, spam digests, and its advanced threat review of email flow. It also has a broad range of riskware rules you can deploy."
"What I find most valuable with the solution is that it can integrate with cloud solutions, such as Google and Microsoft. Additionally, the solution is easy to use."
"The initial setup is simple."
"The auto-remediation feature is valuable."
"Before installing, consider potential challenges with system performance, especially when integrating multiple tools, which could slow down performance."
"FireEye Email Security helps us prevent spam and phishing emails and all other business-compromised email attacks."
"FireEye is good for malware depicting and security."
 Cons
"The user interface needs massive improvement. While the device works fine and it's not complicated to write policies, renaming menu items and showing policy flow in conjunction with the application could help."
"I would rate the stability a six out of ten. We had multiple issues with the stability."
"In some cases, detection is missed, leading to false positives where genuine emails are flagged as spam."
"The solution needs to improve its advanced phishing filters. It is very good at filtering things which have bad reputations. However, when phishing or malicious emails are new or coming from a legitimate source, we don't feel that the solution is working."
"The graphical user interface is not user-friendly like other vendors. I find it very difficult at times to find some options on the UI."
"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 initial setup was complex because I have two sites with physical clusters."
"Many smaller businesses opt for more cost-effective solutions, such as Gmail or Hotmail accounts, instead of investing in Cisco Secure Email, given its higher cost."
"The reporting aspect of the solution needs improvement."
"The solution is not easy to set up. However, we have employees that have the knowledge that can do the difficult implementation. It would be better if the process was easier."
"There is a need for improved integration with totally different products, such as a rapid server."
"I would like to see this solution become more flexible."
"The custom tailoring is limited."
"I would like the solution to be able to automatically quarantine the malicious emails before getting to the user's mailbox and continue with regular email operations. This could result in the user clicking the email before the purge operation is completed."
"Sometimes, integration can be challenging, impacting its stability, which is why I rate it a five out of ten."
"In general, our company should make the tool more robust to protect our systems."
 Pricing and Cost Advice
"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."
"I rate the product price as six on a scale of one to ten, where one means it is a very expensive tool."
"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's adapted to the market. It's similar to other vendors. We at least don't have many problems regarding that because Cisco is adaptable on that side. When we present the solutions to the customers, we tend to achieve the goals that the customer has in terms of the budget for such implementations."
"Cisco Secure Email is more expensive than other products. I rate it a five out of ten. There are no additional costs. You only need to pay the subscription amounts."
"Pricing depends on your environment and which model you want to buy."
"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."
"At times, we feel the pricing is a bit too high, but then, there is also room for discounts. We enjoy a lot of discounts, and that is why we are still with them. There are no costs in addition to the standard licensing fees."
"I rate the product price as nine out of ten, where ten is the most expensive, and one is the cheapest. There is no need to pay any extra charges apart from the licensing costs."
"The cost is very high."
"The licensing is on a yearly basis."
"The solution requires a license to be purchased for every user."
report
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 Top Industries
By visitors reading reviews
Computer Software Company
19%
Financial Services Firm
9%
Manufacturing Company
8%
Government
5%
Manufacturing Company
18%
Comms Service Provider
11%
Computer Software Company
10%
Government
7%
 Company Size
By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business22
Midsize Enterprise18
Large Enterprise25
By reviewers
Company SizeCount
Small Business6
Midsize Enterprise4
Large Enterprise5
 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...
What do you like most about FireEye Email Security?
One of the valuable features of the product stems from the fact that it is easy to implement the tool in our environment.
What needs improvement with FireEye Email Security?
I would like to see the addition of email digital protection features, such as anti-spam and antivirus, not just sandboxing, in the on-premises solution.
What is your primary use case for FireEye Email Security?
I have worked on Email Security ( /categories/email-security ) both on-premises and in the cloud, Web Security, and also on MDR, which is called HX endpoint security for Trellix Collaboration Secur...
 Also Known As
Cisco Email Security, IronPort, Cisco Email Security, ESA, Email Security Appliances
FireEye Email Security
 Overview
 Sample Customers
SUNY Old Westbury, CoxHealth, City of Fullerton, Indra
Northshore Utility District, Luz Technologies, Air Academy Federal Credit Union, Bank Gutmann, Bank of Thailand, Penn State Health Milton S. Hershey Medical Center, State of Missouri, City and County of San Francisco, Denver Public Schools, Vodafone, Go Auto, Stater Bros. Market
Find out what your peers are saying about Cisco Secure Email vs. Trellix Collaboration Security and other solutions. Updated: November 2025.
875,455 professionals have used our research since 2012.