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Mimecast Advanced Email Security vs Trellix 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

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) (22nd), Cloud Access Security Brokers (CASB) (12th), Distributed Denial-of-Service (DDoS) Protection (8th), Software Defined WAN (SD-WAN) Solutions (13th), Access Management (12th), Bot Management (3rd), ZTNA as a Service (8th), ZTNA (4th), Secure Access Service Edge (SASE) (9th), Remote Browser Isolation (RBI) (2nd)
Mimecast Advanced Email Sec...
Ranking in Email Security
4th
Average Rating
8.0
Reviews Sentiment
5.9
Number of Reviews
45
Ranking in other categories
Email Archiving (2nd), Office 365 Protection (2nd), Secure Email Gateway (SEG) (3rd)
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 Cloudflare One is 1.7%, up from 1.4% compared to the previous year. The mindshare of Mimecast Advanced Email Security is 4.0%, down from 5.9% 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 (%)
Mimecast Advanced Email Security4.0%
Trellix Email Security0.4%
Cloudflare One1.7%
Other93.9%
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.
Avinash Mishra - PeerSpot reviewer
Manager - EUC at Finthrive
Advanced email filtering has blocked massive spam volumes and prevents unauthorized data leaks
Improvements for Mimecast Advanced Email Security include enhancing the user interface and accessibility, particularly regarding admin capabilities to add or modify user accounts. Streamlining this could improve overall usability and security management for users. Reporting is another area needing improvement in Mimecast Advanced Email Security, as the reports provided are not very easy to decipher. With artificial intelligence being integrated into various tools including Mimecast Advanced Email Security, I believe there is potential to enhance functionality, enabling users to ask specific questions and retrieve concise answers instead of overwhelming data. I choose a nine for Mimecast Advanced Email Security because improvements such as better user interface and artificial intelligence integration features would greatly enhance its usability. While no tool is perfect, these adjustments could greatly elevate Mimecast Advanced Email Security's capabilities.
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 simplicity of the solution is its valuable features as almost no effort was needed to learn the configurations. It is also one of the cheapest firewalls available in this category."
"The best feature is rate limiting. If I'm expecting 500 visits per hour, Cloudflare will limit the requests if I suddenly get 50,000."
"We mostly use Cloudflare WAF, and gets basic Cloudflaire DDoS, caching as extra bonus . We like the factor these features are all integrated into 1 console, simple to manage."
"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."
"Cloudflare Zero Trust Platform removes the risk of exposing the applications to the public."
"The blocking feature is very good."
"It will take the blow rather than our applications should an attack occur."
"I'm very satisfied with the environment and the dashboard."
"Mimecast Advanced Email Security has positively impacted our organization by securing our environment better than before compared to what we used to configure earlier to deliver the email."
"It's really quite user-friendly. In terms of technical superiority and the product itself, there are no complaints. It is really cutting edge."
"The solution is stable and reliable; there are no bugs or glitches, and it doesn't crash or freeze."
"The setup was easy."
"The solution's performance is good."
"What I like about the integration is that it is directly into Microsoft 365, users can use their Microsoft 365 credentials to log into the portal and access their mail."
"Mimecast certainly helped my customers reduce phishing emails."
"If I had to mention one or two things that bring the biggest benefit, I would say the security of the emails and dealing with everything."
"Overall, I find Trellix Email Security to be a mature and ready solution, delivering very good protection, and scalability-wise, it is very promising."
"Compared to other email solutions such as Cisco, price-wise, we get this solution within 50 to 60% of the average."
"For email spam and malware threat prevention, Trellix Email Security just works and I really appreciate the product."
"Trellix Email Security has positively impacted our organization."
"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 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."
"Trellix Email Security has positively impacted my organization because we previously experienced a data leak due to an email virus, but now we are secure and not experiencing any of these issues, which is beneficial for the company's important data that we can now protect from threats."
"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."
 

Cons

"For the topic of improvement, providing some training material is one of my suggestions."
"They don't have a person to provide support for customers using the solution under their free plan."
"The onboarding process can be improved a little bit."
"The software has automated alerts, but the automated alerts are not available in the mobile app."
"Cloudflare Zero Trust Platform needs to improve its documentation. It took time to do the implementation."
"Feedback could be enhanced. While I work efficiently with Clover as a partner in Mexico City, sometimes the information and requests are easier to manage with more concrete solutions."
"From a logging perspective, it is still a bit difficult to see exactly what users are being blocked with the current views."
"Our subscription plan for the solution has a limitation of bot signatures."
"They should improve the cookies management feature."
"The reaction time between a new threat being identified and Mimecast picking it up needs to be narrowed a bit."
"As for areas for improvement within Mimecast Web Security, I believe there is quite a lot that can be improved."
"The attachment scanning feature doesn't work properly."
"From an administrative point of view, Mimecast is a little bit cumbersome and difficult. It's not something that the end-user can easily find navigate themselves."
"The product's interface could be improved to be more user-friendly."
"The solution should include more AI features instead of Mimecast's more general static configuration tooling."
"Technical support has been slower than it was in the past, likely due to the pandemic."
"Threat intelligence is adequate because they are using Microsoft GTI threat intelligence, but we need to increase protection against phishing and spam mails."
"I think Trellix Email Security needs to improve different sides of email security, especially the filtering process."
"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."
"When we talk about security, Trellix Email Security console is very complex."
"Trellix Email Security can be improved in several areas."
"To improve Trellix Email Security, I think the dashboard details could be enhanced."
"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."
 

Pricing and Cost Advice

"The solution is not that expensive."
"The price tag is no longer $200,000, but rather $300,000 to $400,000. It's twice."
"The solution's pricing lacks transparency."
"The prices are slightly 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."
"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 pricing is somewhere in the middle. I would rate the pricing a seven out of ten."
"Two subscription options are currently offered: monthly and yearly. My suggestion is to opt for the yearly subscription as it can give some discount. The pricing isn't high as other cloud solutions are pricier than Microsoft's offerings."
"It's an expensive solution."
"The product price is moderate. I rate the pricing a five out of ten."
"The price of Mimecast Mailbox Continuity is expensive."
"The licensing costs are per-user for the product that you get with them."
"On a scale of one to ten, where one is cheap, and ten is expensive, I rate the pricing a ten."
"It is a bit expensive."
"The customers can select the license packages as per their requirements."
Information not available
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Top Industries

By visitors reading reviews
Construction Company
19%
Comms Service Provider
11%
Outsourcing Company
9%
Financial Services Firm
8%
Computer Software Company
10%
Financial Services Firm
9%
Construction Company
8%
Outsourcing Company
8%
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 Business10
Midsize Enterprise1
Large Enterprise12
By reviewers
Company SizeCount
Small Business19
Midsize Enterprise12
Large Enterprise20
By reviewers
Company SizeCount
Small Business9
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 Mimecast Email Security with Targeted Threat Protection?
There is room for improvement since new threats are emerging. Considering the availability of new features would be w...
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....
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 securi...
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...
 

Also Known As

Cloudflare Area 1 Email Security, Cloudflare Bot Management, Cloudflare Gateway, Cloudflare Zero Trust Platform, Cloudflare DDoS, Cloudflare SASE & SSE Platform
Mimecast Email Security with Targeted Threat Protection, Mimecast Web Security, Mimecast Mailbox Continuity, Email and Collaboration Threat Protection
No data available
 

Overview

 

Sample Customers

23andMe
Hewlett-Packard Company (HP), Cushman and Wakefield, PIB Group, Swissport
Information Not Available
Find out what your peers are saying about Mimecast Advanced Email Security vs. Trellix Email Security and other solutions. Updated: August 2026.
909,153 professionals have used our research since 2012.