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Mimecast Advanced Email Security vs N-able Mail Assure comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Jun 2, 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

Mimecast Advanced Email Sec...
Ranking in Email Archiving
2nd
Ranking in Email Security
4th
Average Rating
8.0
Reviews Sentiment
5.9
Number of Reviews
44
Ranking in other categories
Office 365 Protection (2nd), Secure Email Gateway (SEG) (3rd)
N-able Mail Assure
Ranking in Email Archiving
14th
Ranking in Email Security
43rd
Average Rating
1.0
Reviews Sentiment
4.3
Number of Reviews
1
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of August 2026, in the Email Security category, the mindshare of Mimecast Advanced Email Security is 4.0%, down from 5.9% compared to the previous year. The mindshare of N-able Mail Assure is 0.8%, up from 0.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security Mindshare Distribution
ProductMindshare (%)
Mimecast Advanced Email Security4.0%
N-able Mail Assure0.8%
Other95.2%
Email Security
 

Featured Reviews

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.
This is a dud product with inferior spam filtering
This is a dud product with inferior spam filtering versus alternatives like SpamHero, and the continuity feature is essentially marketing fluff. Failed deliveries, for example, they don't count it as an issue so those messages won't be queued for another delivery attempt. As I understand it from talking to their support, if the server pings or sends any response at all, then Mail Assure will not keep a copy. It will also weirdly mark messages during that outage as rejected, so it's not like Mail Assure doesn't know that the message never reached the user(s).

Quotes from Members

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

Pros

"The security is pretty good, and that's why we're going to upgrade to an even more advanced package. We used it when we had a power issue, and it works. It has been pretty reliable, and the support has been quite good."
"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."
"We like Mimecast's spam filtering. The email signature feature is also a big plus for our users."
"The product is good. To date, we have not faced any challenges."
"URL inspection works pretty well."
"Mimecast is pretty good, even if you're on Office 365."
"The positive impact of Mimecast Advanced Email Security on our organization is evident in how it has drastically reduced spam emails and improved our data security."
"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."
"The only benefit from Mail Assure is its white label feature and its per-user licensing plus the ability to package archiving and spam protection into a single interface."
 

Cons

"We discussed the phishing aspect, the DNS system, and the key rotation."
"Its pricing can be improved. It is a bit expensive."
"It was not a good experience due to the fact that our main infrastructure had a problem for that entire time."
"The interface and the documentation 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."
"The price of the solution is expensive. It can improve by reducing the price."
"It analyzes patterns but sometimes overlooks suspicious indicators."
"I'd like to have better support from the product in the future."
"This is a dud product with inferior spam filtering versus alternatives like SpamHero, and the continuity feature is essentially marketing fluff."
 

Pricing and Cost Advice

"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."
"The price of Mimecast Mailbox Continuity is expensive."
"It is a bit expensive."
"The customers can select the license packages as per their requirements."
"I'm always going to say the price needs to be lower, but it's reasonable."
"Its price is in the middle range. It is a structured licensing model where there are various components that you can add or choose to add or not."
"Compared to the other solutions in the market, Mimecast Email Security with Targeted Threat Protection's pricing is fine."
"On a scale of one to ten, where one is cheap, and ten is expensive, I rate the pricing a ten."
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Top Industries

By visitors reading reviews
Computer Software Company
10%
Financial Services Firm
9%
Outsourcing Company
9%
Construction Company
8%
Construction Company
15%
Computer Software Company
12%
Comms Service Provider
8%
Government
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business19
Midsize Enterprise12
Large Enterprise20
No data available
 

Questions from the Community

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...
Ask a question
Earn 20 points
 

Also Known As

Mimecast Email Security with Targeted Threat Protection, Mimecast Web Security, Mimecast Mailbox Continuity, Email and Collaboration Threat Protection
SolarWinds MSP Mail, SolarWinds Mail Assure, SolarWinds MSP Mail Assure
 

Overview

 

Sample Customers

Hewlett-Packard Company (HP), Cushman and Wakefield, PIB Group, Swissport
eNet Systems, WinAdmins, Newport Systems
Find out what your peers are saying about Proofpoint, Microsoft, Check Point Software Technologies and others in Email Security. Updated: August 2026.
911,549 professionals have used our research since 2012.