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Menlo Protect vs Mimecast Advanced 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

Menlo Protect
Ranking in Email Security
48th
Average Rating
9.0
Reviews Sentiment
7.3
Number of Reviews
2
Ranking in other categories
Internet Security (14th), Enterprise Browsers (6th), Remote Browser Isolation (RBI) (4th)
Mimecast Advanced Email Sec...
Ranking in Email Security
5th
Average Rating
8.0
Reviews Sentiment
5.9
Number of Reviews
48
Ranking in other categories
Email Archiving (2nd), Office 365 Protection (2nd), Secure Email Gateway (SEG) (3rd)
 

Mindshare comparison

As of September 2026, in the Email Security category, the mindshare of Menlo Protect is 0.7%, up from 0.3% compared to the previous year. The mindshare of Mimecast Advanced Email Security is 3.8%, down from 5.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security Mindshare Distribution
ProductMindshare (%)
Mimecast Advanced Email Security3.8%
Menlo Protect0.7%
Other95.5%
Email Security
 

Featured Reviews

reviewer1991553 - PeerSpot reviewer
Information Security Specialist at a financial services firm with 10,001+ employees
Decreased our security alerts without impacting employees' work
I can't say that there is one specific feature that is most valuable. It's the overall platform that is well-suited to our needs. It's something that is different from a lot of other products or platforms in the marketplace. It provides a single console for security policy and management. That is somewhat important because we used to have other products where you would have to log in to individual appliances, devices, or clusters. Having one spot to log in to or one area to go to for doing different tasks and viewing data sources, just makes it easier from a user perspective. Also, the fact that it's invisible to our end-users and doesn't affect their work is very important. Most companies don't want to have added friction or impact on their users. In addition, the combination of user-friendliness for admins, and security for the organization, works well. As a cloud-hosted solution, it provides ease of use.
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.

Quotes from Members

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

Pros

"Menlo Security RBI has a very good record on stability."
"In addition, the combination of user-friendliness for admins, and security for the organization, works well."
"I can't say that there is one specific feature that is most valuable. It's the overall platform that is well-suited to our needs. It's something that is different from a lot of other products or platforms in the marketplace."
"Menlo Security RBI's best feature is its threat isolation engine."
"The initial setup is easy."
"Mimecast has been in the market for a long time; it's a good tool if you want to simplify your operations and a good tool for removing on-prem appliances that otherwise you would need to do with the protection that Mimecast provides."
"I have been satisfied with Mimecast Email Security as a good solution."
"Mimecast has some good support services in place."
"It is our spam filter, phishing filter, and executive impersonation filter."
"The piece that is most valuable from the Mimecast standpoint will be the sandboxing feature."
"It's good, it keeps the spam out."
"It does a good job for us, and its admin console is easy to use."
 

Cons

"Menlo Security RBI could be more cloud-friendly, and its mobility could be improved."
"There are several features, such as supporting web technologies, that the company is working on implementing in the platform. There are a lot of backend web technologies in use on various websites, for example, two-way audio/video and WebGL, for which support may not be fully implemented in the product."
"Menlo Security RBI can be very costly."
"External security features need improvement."
"Lately, Mimecast's outbound mail servers have been regularly blocklisted by spam filters. That didn't happen a few years back, but it seems to be a more frequent problem these days. When a server is blocklisted, it means all of my outgoing mail ends up in the recipient's junk mail. That affects my reputation and business confidence."
"The reaction time between a new threat being identified and Mimecast picking it up needs to be narrowed a bit."
"The interface isn't the best. How everything works on the back end is confusing."
"The interface and the documentation could be improved. They can also include some more training resources and content like video. While setting things up, I had to search for the information quite a bit. It took me time to find the correct way to do something. The information is there, but it is sort of all over the place. They can create a better help knowledge base or help portal. It retains your email for 45 days. They can maybe increase this duration."
"As a user, the user interface of the management console could be upgraded, for example."
"The differentiation between bulk spam mail and campaign-related mail could be improved."
"I did have a problem with Mimecast. That is why I was looking for an alternative solution because their sender IP address gets poorly rated by Microsoft."
 

Pricing and Cost Advice

"Menlo Security RBI can be very costly."
"The product has good pricing in terms of return on investment."
"Compared to the other solutions in the market, Mimecast Email Security with Targeted Threat Protection's pricing is fine."
"I'm always going to say the price needs to be lower, but it's reasonable."
"For what it is, the product is overpriced."
"The customers can select the license packages as per their requirements."
"The price of Mimecast Mailbox Continuity is expensive."
"It's an expensive solution."
"Compared to the other products in the market, it is neither cheap but nor very expensive. I would rate it somewhere in the middle, 5 out of 10."
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Top Industries

By visitors reading reviews
Financial Services Firm
13%
Manufacturing Company
9%
Comms Service Provider
9%
Retailer
7%
Outsourcing Company
10%
Computer Software Company
10%
Financial Services Firm
9%
Construction Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business20
Midsize Enterprise13
Large Enterprise23
 

Questions from the Community

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Earn 20 points
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 worthwhile. Mimecast Email Security is somewhat expensive compared to the competi...
 

Also Known As

Menlo Security Email Security, Menlo Security Remote Browser Isolation
Mimecast Email Security with Targeted Threat Protection, Mimecast Web Security, Mimecast Mailbox Continuity, Email and Collaboration Threat Protection
 

Overview

 

Sample Customers

Macy's, HSBC, Bank of Hawaii
Hewlett-Packard Company (HP), Cushman and Wakefield, PIB Group, Swissport
Find out what your peers are saying about Menlo Protect vs. Mimecast Advanced Email Security and other solutions. Updated: September 2026.
913,806 professionals have used our research since 2012.