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Kaspersky Security for Mail Server vs Trellix Email Security comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jan 18, 2026

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

Kaspersky Security for Mail...
Ranking in Email Security
28th
Average Rating
7.6
Reviews Sentiment
6.8
Number of Reviews
8
Ranking in other categories
Secure Email Gateway (SEG) (10th)
Trellix Email Security
Ranking in Email Security
15th
Average Rating
8.8
Reviews Sentiment
6.2
Number of Reviews
13
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of August 2026, in the Email Security category, the mindshare of Kaspersky Security for Mail Server is 0.8%, up from 0.6% compared to the previous year. The mindshare of Trellix Email Security is 0.4%, up from 0.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security Mindshare Distribution
ProductMindshare (%)
Trellix Email Security0.4%
Kaspersky Security for Mail Server0.8%
Other98.8%
Email Security
 

Featured Reviews

KamranBhatti - PeerSpot reviewer
Network Engineer at a computer software company with 11-50 employees
Provides reliable real-time email protection and offers competitive pricing features
Regarding Kaspersky Security for Mail Server, I have not compared with other solutions, but I will compare and provide feedback. It is a reliable and fast security solution, and I can say it blocks better than other competitor software. Kaspersky Security for Mail Server has support for Windows and Linux, but regarding improvement, I have to dig deep and will have to do research on that. I have not checked into much detail about what can be better in Kaspersky Security for Mail Server. I have checked in general. If given some time, I can check and compare with other solutions. Regarding Kaspersky Security for Mail Server, I have found this is quite a good solution. It has a good response and good detection capability. I have not checked other products, so I cannot give any detailed or specific feedback regarding that. From what I have checked from Kaspersky mail security, it is satisfactory.
Anastasia Wairimu - PeerSpot reviewer
Team Manager at Ford
Gateway filtering has protected our organization and provides complete email threat prevention
In my opinion, the best features Trellix Email Security offers include its use for malware analysis as well as the enterprise-wide email quarantine system. My experience with the malware analysis and quarantine features is that they are easy to manage and they have been very effective because we have been able to quarantine any suspicious emails or prevent any attempt before it affects our systems. It is also very user-friendly and has a simple interface. Policies and rules are easy to create and they work with very little downtime or operational impact. Email delivery issues are easy to investigate and troubleshoot. Trellix Email Security has positively impacted my organization as it is user-friendly and does a good job detecting malicious attachments in email, providing complete email protection against all users and working well to stop advanced threats. The price is relatively the same as other competitors.

Quotes from Members

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

Pros

"The most valuable features are the anti-phishing and anti-spam capabilities."
"We have achieved cost savings of up to thirty percent by using Kaspersky Security for Mail Server."
"I find the product valuable because it provides easy integration with other platforms like Fortinet firewalls."
"The most valuable feature of the solution stems from the fact that it is a highly reliable and dependable solution."
"You can install the plugins on the same machine hosting your exchange solution. It's a good complement for Sophos security, which scans the traffic before it reaches your mail service. Kaspersky is on the mail server itself while Sophos handles the incoming traffic. With both of them working together, we have the perfect solution for mail."
"The primary use case of this solution is to filter emails and only allow the legitimate ones through."
"The most valuable feature is the straightforward setup."
"Kaspersky Security for Mail Server provides protection against email spams and blacklisted emails which are suspicious, making it a good product."
"The impact of Trellix Email Security is very good, with reporting showing that above 90% of threats have been blocked monthly, indicating that Trellix Email Security has helped protect us from cyberattacks."
"Compared to other email solutions such as Cisco, price-wise, we get this solution within 50 to 60% of the average."
"In my opinion, the most useful functions or features in Trellix Email Security include sandboxing, anti-spam, some filters, and quarantine features, which are highly sought after because of the compliance and protection around the attack vectors on email."
"Trellix Email Security is quite valuable and definitely provides a massive return on investments."
"Trellix Email Security has positively impacted my organization as it is user-friendly and does a good job detecting malicious attachments in email, providing complete email protection against all users and working well to stop advanced threats."
"Trellix Email Security is one of the good parts because all our organizations are very aware of email security and they are maybe using some exchange server, which is related to that email security purpose."
"Overall, I find Trellix Email Security to be a mature and ready solution, delivering very good protection, and scalability-wise, it is very promising."
"Trellix Email Security has positively impacted my organization by providing us with a consolidated tool to manage all our email protection, and it is performing excellently."
 

Cons

"I have only made contact via email, and it is a little slow. I would give customer service a rating of six or seven. Improving Spanish support would greatly benefit users."
"Encrypted email attachments are not being monitored by this solution, which is an area that they need to work on."
"The solution is not 100 percent stable and that can use improvement."
"I rated the overall solution a five out of ten. If a user is looking for a low-budget solution with mid-level security without AI features, Kaspersky Security for Mail Server is suitable."
"Sometimes Sophos has the patch to block a novel threat, but Kaspersky doesn't."
"The stability of Kaspersky Security for Mail Server is okay, not so much of an issue."
"Kaspersky lacks in the area of customization, so simpler customization options need to be provided to users."
"The biggest problem in the solution is related to its license renewal since it is pretty hard in Kaspersky to find out the procedure to renew a license."
"Trellix Email Security can be improved in several areas."
"The main issue right now with Trellix Email Security is price-wise."
"I think Trellix Email Security needs to improve different sides of email security, especially the filtering process."
"However, it was somewhat difficult to block URL-based threats and the security settings were complex, making it difficult for us to use features beyond basic security."
"To improve Trellix Email Security, I think the dashboard details could be enhanced."
"When we talk about security, Trellix Email Security console is very complex."
"Threat intelligence is adequate because they are using Microsoft GTI threat intelligence, but we need to increase protection against phishing and spam mails."
"The biggest area for improvement in Trellix Email Security is the pricing. The solution is quite expensive."
 

Pricing and Cost Advice

"My company makes annual payments towards the licensing costs solution."
"The solution offers one of the best prices possible to its users, making it even better than Barracuda. Kaspersky Security for Mail Server is ten times cheaper than Barracuda."
"Price-wise, I would rate this product a four out of five. It could be a bit cheaper."
"The solution is not expensive."
Information not available
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Top Industries

By visitors reading reviews
Retailer
13%
Construction Company
11%
Educational Organization
9%
Manufacturing Company
7%
Construction Company
14%
Computer Software Company
11%
Financial Services Firm
11%
Outsourcing Company
11%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business6
Large Enterprise3
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise4
Large Enterprise7
 

Questions from the Community

What is your experience regarding pricing and costs for Kaspersky Security for Mail Server?
The pricing is moderate. It is not expensive but not cheap either. For Mexico, a good price is about 20 dollars per agent.
What needs improvement with Kaspersky Security for Mail Server?
Regarding Kaspersky Security for Mail Server, I have not compared with other solutions, but I will compare and provide feedback. It is a reliable and fast security solution, and I can say it blocks...
What is your primary use case for Kaspersky Security for Mail Server?
I work on a mail protection service, specifically Kaspersky Security for Mail Server. I work with Kaspersky Security for Mail Server.
What is your experience regarding pricing and costs for Trellix Email Security?
My experience with pricing, setup cost, and licensing for Trellix Email Security is that everything good has a price. When we look at the cost relative to what it secures, I think that is acceptabl...
What needs improvement with Trellix Email Security?
Trellix Email Security can be improved in several areas. Although it has almost all the features that an email security tool should have, it could advance further with different types of attacks th...
What is your primary use case for Trellix Email Security?
My main use case for Trellix Email Security is for external communication, where we use the IOCs that we already have for phishing domains to capture phishing emails. For internal emails and outbou...
 

Overview

 

Sample Customers

Vimpel Com, Estrella Galicia, Krombacher
Information Not Available
Find out what your peers are saying about Kaspersky Security for Mail Server vs. Trellix Email Security and other solutions. Updated: August 2026.
909,725 professionals have used our research since 2012.