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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) (13th), Data Loss Prevention (DLP) (20th), Cloud Access Security Brokers (CASB) (12th), Distributed Denial-of-Service (DDoS) Protection (7th), 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
7th
Average Rating
8.2
Reviews Sentiment
6.6
Number of Reviews
42
Ranking in other categories
Anti-Malware Tools (14th)
Trellix Email Security
Ranking in Email Security
24th
Average Rating
8.8
Reviews Sentiment
6.4
Number of Reviews
7
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of May 2026, in the Email Security category, the mindshare of Cloudflare One is 1.7%, up from 1.6% compared to the previous year. The mindshare of Microsoft Exchange Online Protection (EOP) is 3.5%, down from 6.7% compared to the previous year. The mindshare of Trellix Email Security is 0.4%, up from 0.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security Mindshare Distribution
ProductMindshare (%)
Microsoft Exchange Online Protection (EOP)3.5%
Cloudflare One1.7%
Trellix Email Security0.4%
Other94.4%
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.
KB
Senior Technical Support Engineer at Digitaltrack
Ease of deployment and cost-effectiveness boost operational efficiency
I have recommendations for increasing dashboard customization. Currently, we are using custom dashboards, but they are not effectively customizable. If they provide better customization options, it would be easier to understand everything in a single dashboard instead of navigating through dropdown menus to see reports. Additionally, log retention is currently 30 days, but some customers request to extend it to 60 days. Having 60 days of log retention would be helpful for maintaining logs.

Quotes from Members

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

Pros

"For Cloudflare Access, I am using the free plan...The most valuable feature is their protection."
"It is a stable solution."
"I'm very satisfied with the environment and the dashboard."
"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."
"This solution is easy to understand and easy to configure."
"Cloudflare Access is a stable solution."
"Cloudflare DDoS is better than its competitors for its security, deployment, and scalability."
"Overall, I think it's really a great product."
"The threat management feature includes policies and alerts that are valuable."
"Microsoft EOP's most valuable feature is a shared mailbox."
"The pre-set policies and configuration analyzer are the most valuable features."
"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."
"It has a really nice web-based administration console."
"It is easy to configure, easy to use, easy to add exclusions, easy to track, and easy to add anything else if you want."
"We like the holding facility that is available for potentially suspicious URLs, which allows a real-time review to be performed before the email reaches a user's inbox."
"Trellix Email Security is quite valuable and definitely provides a massive return on investments."
"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."
"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."
"Overall, I find Trellix Email Security to be a mature and ready solution, delivering very good protection, and scalability-wise, it is very promising."
"For email spam and malware threat prevention, Trellix Email Security just works and I really appreciate the product."
"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."
"Compared to other email solutions such as Cisco, price-wise, we get this solution within 50 to 60% of the average."
 

Cons

"Cloudflare Zero Trust Platform needs to improve its documentation. It took time to do the implementation."
"The pricing is an area that can be improved. Pricing, as far as I recall, was the source of our problems."
"The onboarding process can be improved a little bit."
"I would like them to include a VPN feature to provide a secure connection to the data center."
"The free plan has limitations. For example, I can only set up three rules, and the application firewall is unavailable."
"For the topic of improvement, providing some training material is one of my suggestions."
"When there are any dynamic changes in complex applications, the tool takes a lot of time, making its analytics-related area a major matter of concern where improvements are needed."
"There are premium tier live service and lower tier live service, so we opted for the lower tier. But there is no medium tier where we pay a little extra and get a bit more service. So if that can be improved."
"Some features, like encryption, are not available."
"It doesn't protect against everything. We do need protection for, for example, endpoints."
"Having orchestration features added to Microsoft Exchange Online Protection, particularly automation and remediation, would be quite useful."
"The tool is not 100% stable."
"We have experienced issues while migrating from on-prem to the cloud. The tool needs to improve its stability."
"Not all settings can be configured automatically and most still require manual configuration. However, there is an automation tool available that can be used to input all the configurations either as a script or a tool it would be helpful."
"Some of the searchability when looking for specifics in Exchange logs is tedious."
"The security compliance features need to be improved. Sometimes, a client's mailbox becomes full because of retained information and not because of mail. I would like to see improvement in block rules as well."
"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."
"Threat intelligence is adequate because they are using Microsoft GTI threat intelligence, but we need to increase protection against phishing and spam mails."
"For potential areas of improvement, Trellix can enable proper single sign-on as opposed to a local username and password."
"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 biggest area for improvement in Trellix Email Security is the pricing. The solution is quite expensive."
 

Pricing and Cost Advice

"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."
"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."
"Cloudflare Zero Trust Platform's pricing is good."
"The solution's pricing lacks transparency."
"The pricing is somewhere in the middle. I would rate the pricing a seven out of ten."
"The solution is not that expensive."
"The price tag is no longer $200,000, but rather $300,000 to $400,000. It's twice."
"It is a low-price solution."
"The pricing of the solution is reasonable."
"The price could be lower."
"The pricing for the solution depends on what you are trying to achieve with the use of the product, but I know that it is not a cheaply priced product. Yearly payments have to be made towards the licensing fees of the solution."
"The product's pricing is competitive for the US market."
"The product is expensive."
"The solution falls on the higher or more expensive side of the spectrum."
"Regarding the price, it's comparable to other service providers. We've also looked at Check Point's offerings, and the pricing doesn't seem to be an issue."
Information not available
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Top Industries

By visitors reading reviews
Construction Company
20%
Comms Service Provider
11%
Financial Services Firm
9%
Manufacturing Company
6%
Financial Services Firm
11%
Manufacturing Company
9%
Computer Software Company
9%
Comms Service Provider
8%
No data available
 

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 Business4
Midsize Enterprise4
Large Enterprise5
 

Questions from the Community

What needs improvement with Cloudflare Access?
Cloudflare Access has strong integration with Microsoft, among other platforms. However, when it comes to Kaspersky, ...
What is your primary use case for Cloudflare Access?
Cloudflare Access provides secure access to internal applications for employees, external members of the organization...
What advice do you have for others considering Cloudflare Access?
Cloudflare Access is one of the best integrations available. While about two hundred vendors offer similar services, ...
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?
My experience with pricing, setup cost, and licensing is that the cost is relatively the same as other competitors, b...
What needs improvement with Trellix Email Security?
The biggest area for improvement in Trellix Email Security is the pricing. The solution is quite expensive. I remembe...
What is your primary use case for Trellix Email Security?
The major use case I observe in Trellix Email Security is phishing and anti-phishing capabilities. Spam emails, malwa...
 

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: April 2026.
894,738 professionals have used our research since 2012.