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Microsoft Exchange Online Protection (EOP) vs Trellix Email Security comparison

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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

Cloudflare One
Sponsored
Ranking in Email Security
20th
Average Rating
8.6
Reviews Sentiment
6.5
Number of Reviews
23
Ranking in other categories
Secure Web Gateways (SWG) (12th), Data Loss Prevention (DLP) (21st), Cloud Access Security Brokers (CASB) (13th), Distributed Denial-of-Service (DDoS) Protection (8th), Software Defined WAN (SD-WAN) Solutions (12th), Access Management (11th), Bot Management (3rd), ZTNA as a Service (9th), ZTNA (4th), Secure Access Service Edge (SASE) (10th), Remote Browser Isolation (RBI) (3rd)
Microsoft Exchange Online P...
Ranking in Email Security
8th
Average Rating
8.2
Reviews Sentiment
6.6
Number of Reviews
42
Ranking in other categories
Anti-Malware Tools (13th)
Trellix Email Security
Ranking in Email Security
14th
Average Rating
9.0
Reviews Sentiment
6.3
Number of Reviews
13
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of June 2026, in the Email Security category, the mindshare of Cloudflare One is 1.6%, up from 1.6% compared to the previous year. The mindshare of Microsoft Exchange Online Protection (EOP) is 3.3%, down from 6.6% 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 (%)
Microsoft Exchange Online Protection (EOP)3.3%
Trellix Email Security0.4%
Cloudflare One1.6%
Other94.7%
Email Security
 

Featured Reviews

CV
Network Architect at IP Dimension
Cloud security has improved remote access and has reduced costs for smaller client sites
I have used Cloudflare One's Identity-Aware Proxy, and it is quite straightforward from what I have seen so far. The app registration on the Azure side integrates fully into Cloudflare, and I am very satisfied with that part because it is easy to set up. The integration of Cloudflare One's Secure Web Gateway and Zero Trust Network Access works without any issues. That part is pretty automatic, and if you complete the rest of the setup, it comes together by itself with no issues from my side. What makes it nice is that we can actually start replacing on-site firewalls at this stage for the smaller clients because it does not matter if they go to a coffee shop or work from home; they are still secured by the same connection. The hops get shorter and you get better latency. We have done testing to see if it is better. One thing that we did notice with our proof of concept with our current client is that they have people connecting from the UK. When they used their previous VPN solution, uploading CAD drawings and other files to the server took a long time. They mentioned that it is much quicker on Cloudflare One's solution. I definitely believe that is part of the improved performance, and I am satisfied with that as well. What is nice about Cloudflare One is that it makes the setup easier and also easier to train technicians to maintain it. Compared to legacy systems, we do not need to get fancy firewalls in place that are costly. That is definitely also a cost-saver with Cloudflare One.
NancyHartman - PeerSpot reviewer
Business Process Manager/ Educational Technologist at a educational organization with 1,001-5,000 employees
Layered email security has protected sensitive research and still flags phishing in real time
The valuable features of Microsoft Exchange Online Protection (EOP) include providing an additional layer of protection, as it builds on the basic Exchange level of security that allows us to get our work done. Another feature I appreciate is the ability to question things, as our Exchange server allows us to identify in real-time if an email is a phishing email or spam email. It really helps us identify risks, especially through our external exchanges via email or through our cloud-based platforms. Our Exchange system blocks any embedded AI from all our applications and products, so we cannot use embedded AI in our daily work from our official laptops because we have secure information. The system is quite locked down.
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

"Using Cloudflare One makes my work quite easy because for DDoS protection, all I need to do is understand the OSI model and click; it makes it easier than trying to write a command line or use a Linux command."
"For Cloudflare Access, I am using the free plan...The most valuable feature is their protection."
"It will take the blow rather than our applications should an attack occur."
"It's a perfect solution from my perspective; it's easy to understand and easy to configure."
"Cloudflare is by far the most effective solution that I have come across."
"Enables me to work from two locations."
"It's the endpoint exposition. We don't need to expose our VPN server to the internet and need a zero-test solution. I can apply some conditional access to the endpoint that's connecting to our network to check their security policies or the security condition of their workstation. Once the workstation is trying to connect to my internal network, then I would like to check the discrete condition of these endpoints that are trying to access my internal network. We created some conditional access. We have CrowdStrike, to check if the CrowdStrike is installed, to check if it's updated, and to check for Windows updates. We created some conditional policies to check it."
"The capabilities of the software are strong enough for me to do what it's supposed to do. For me, we don't need to do a lot of configuration on our site. We just enable it and monitor it."
"Microsoft Exchange Online Protection (EOP) is the best email solution with more features and robust security, making it ideal for corporate use."
"With Microsoft Exchange Online Protection, if malware is attached to a mailer, it's very easy to go into the incident alert and find out what's happening with that identity and the mail."
"It has a really nice web-based administration console."
"The product's most valuable feature is third-party integrations."
"I rate Microsoft Exchange Online Protection (EOP) nine out of ten."
"It offers great security against malware and other threats."
"Microsoft Exchange Online Protection has features like DLP (data loss protection), Safe Attachment, and Safe Links."
"The most valuable feature of Microsoft Exchange Online Protection is the accidental release of information protection capabilities, and additionally, the solution is easy to use."
"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 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."
"For email spam and malware threat prevention, Trellix Email Security just works and I really appreciate the product."
"By using Trellix Email Security, we achieve reduced phishing attacks and ransomware risk from the email side, we are protected from advanced email threats and gain visibility of who is sending emails to our organization, and we achieve compliance of data protection, ensuring that we will not send sensitive data to the outside."
"Trellix Email Security is quite valuable and definitely provides a massive return on investments."
"Trellix Email Security has positively impacted our organization."
"Even in my brief experience, I can clearly see how automation, AI-based analysis, and real-time monitoring improve response time and strengthen overall email security."
"Overall, I find Trellix Email Security to be a mature and ready solution, delivering very good protection, and scalability-wise, it is very promising."
 

Cons

"For the topic of improvement, providing some training material is one of my suggestions."
"Our subscription plan for the solution has a limitation of bot signatures."
"Feedback could be enhanced."
"Cloudflare One is not very powerful, but for what we require, it is basic and sufficient."
"The response time for support must be reduced."
"The free plan has limitations. For example, I can only set up three rules, and the application firewall is unavailable."
"I would like them to include a VPN feature to provide a secure connection to the data center."
"Cloudflare DDoS has poor technical support."
"Microsoft Exchange Online Protection is quite a difficult product."
"If a company wants to put in line back-to-back anti-spam solutions, they need to work on that part because Microsoft recommends either you use EOP as a front line or you don't use it."
"Our company faces difficulty with Microsoft Exchange Online Protection (EOP) because it's too big, clunky, and difficult for a small client to implement quickly and easily."
"Online Protection has an issue in that it doesn't provide an option to stop impersonation."
"It would be helpful for customers if Plan 1 features were included with EOP."
"The product needs more granularity. Some features, like encryption, are not available."
"Some of the searchability when looking for specifics in Exchange logs is tedious."
"It wasn't easy or intuitive enough for me to start using it. So, the reason was that the solution changed."
"I think Trellix Email Security needs to improve different sides of email security, especially the filtering process."
"Threat intelligence is adequate because they are using Microsoft GTI threat intelligence, but we need to increase protection against phishing and spam mails."
"My main problem with support is that the response time is too long, which is the major issue."
"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."
"The main issue right now with Trellix Email Security is price-wise."
"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."
"The customer support has been inconsistent with Trellix lately because there is a whole loopback hierarchy that you have to reach the customer service first, and then the engineer will respond, and then the customer service will feed you back again."
 

Pricing and Cost Advice

"My company has to make yearly payments towards the licensing costs attached to the solution. There are no hidden charges apart from the licensing costs of the solution."
"The prices are slightly expensive."
"The solution's pricing lacks transparency."
"The solution is not that expensive."
"Cloudflare Zero Trust Platform's pricing is good."
"The pricing of the solution is cheap. The licensing cost is also very low. I rate the cost and pricing a three out of ten."
"The price tag is no longer $200,000, but rather $300,000 to $400,000. It's twice."
"The pricing is somewhere in the middle. I would rate the pricing a seven out of ten."
"The solution should reduce the cost."
"Microsoft Exchange Online Protection's pricing is a little bit more because its price has recently increased."
"The product's pricing is competitive for the US market."
"The solution is priced high and could be less expensive compared to other solutions."
"The product is expensive."
"Microsoft Exchange Online Protection is a good solution at an affordable price. It is a good investment."
"The price of Microsoft Exchange Online Protection is reasonable."
"It is a low-price solution."
Information not available
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Top Industries

By visitors reading reviews
Construction Company
19%
Comms Service Provider
10%
Financial Services Firm
9%
Manufacturing Company
8%
Financial Services Firm
12%
Manufacturing Company
9%
Computer Software Company
9%
Government
8%
Computer Software Company
14%
Financial Services Firm
14%
Manufacturing Company
13%
Construction Company
13%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business10
Midsize Enterprise1
Large Enterprise12
By reviewers
Company SizeCount
Small Business24
Midsize Enterprise7
Large Enterprise11
By reviewers
Company SizeCount
Small Business8
Midsize Enterprise4
Large Enterprise7
 

Questions from the Community

What needs improvement with Cloudflare Zero Trust Platform?
In my opinion, Cloudflare One can be improved mainly through compatibility, as the integration should be much simpler...
What is your primary use case for Cloudflare Zero Trust Platform?
Cloudflare One's primary use case for my organization is to protect servers and to provide remote access with the VPN...
What needs improvement with Microsoft Exchange Online Protection?
From an end-user point of view, I am quite happy with Microsoft Exchange Online Protection (EOP) because my favorite ...
What is your primary use case for Microsoft Exchange Online Protection?
Microsoft Exchange Online Protection (EOP) serves as the main use case for my company because, as a research company,...
What advice do you have for others considering Microsoft Exchange Online Protection?
My experience with Microsoft Exchange Online Protection (EOP) is from an end-user perspective, and I do not have admi...
What is your experience regarding pricing and costs for Trellix Email Security?
The pricing is equivalent to other OEMs, but the setup cost is quite the same, and the licensing is per user.
What needs improvement with Trellix Email Security?
I could suggest improvements for Trellix Email Security. I would say that having even more customizable dashboards an...
What is your primary use case for Trellix Email Security?
My main use case for Trellix Email Security is related to email security monitoring and threat analysis, as I use the...
 

Also Known As

Cloudflare Area 1 Email Security, Cloudflare Bot Management, Cloudflare Gateway, Cloudflare Zero Trust Platform, Cloudflare DDoS, Cloudflare SASE & SSE Platform
Microsoft EOP, MS Exchange Online Protection
No data available
 

Overview

 

Sample Customers

23andMe
Information Not Available
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Find out what your peers are saying about Microsoft Exchange Online Protection (EOP) vs. Trellix Email Security and other solutions. Updated: June 2026.
900,838 professionals have used our research since 2012.