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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
1st
Ranking in Email Security
4th
Average Rating
8.0
Reviews Sentiment
5.9
Number of Reviews
48
Ranking in other categories
Office 365 Protection (2nd), Secure Email Gateway (SEG) (3rd)
N-able Mail Assure
Ranking in Email Archiving
13th
Ranking in Email Security
42nd
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 October 2026, in the Email Security category, the mindshare of Mimecast Advanced Email Security is 3.9%, down from 5.5% compared to the previous year. The mindshare of N-able Mail Assure is 0.8%, up from 0.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security Mindshare Distribution
ProductMindshare (%)
Mimecast Advanced Email Security3.9%
N-able Mail Assure0.8%
Other95.3%
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

"I have been satisfied with Mimecast Email Security as a good solution."
"The platform's most valuable features are journaling and email archiving, effectively stopping phishing attacks."
"It has all the features required for distribution, such as the ability to mail."
"URL inspection works pretty well."
"The product is good. To date, we have not faced any challenges."
"Mimecast Mailbox Community is an email gateway required for every organization, regardless of size."
"In the current environment that the world is in, everyone is trying to hack everyone else, so Project+ definitely helps a lot there."
"Mimecast Advanced Email Security proves to be a useful tool, allowing me as security personnel to work in a more peaceful manner."
"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 have subscribed to an archival service, and yet, when we have to get our data out, we have to pay a fee to get our own data. They charge an extraction fee."
"The feature that should be included is to remove the block on the encrypted files."
"The filtering needs more flexibility."
"Mimecast Advanced Email Security is adequate, but it has remained the same since the last two years with not much research and development."
"The solution is expensive in comparison to similar solutions."
"The lock in is very, very tight. It is impossible to move out of Mimecast to a different product, like Proofpoint or 365 ATP, and keep the chain of custody for every email that I've archived."
"The system is not user-friendly because you have to create policies that are mapped in a dictionary."
"The attachment scanning feature doesn't work properly."
"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

"The product has good pricing in terms of return on investment."
"It's an expensive solution."
"The licensing costs are per-user for the product that you get with them."
"It is a bit expensive."
"The price of Mimecast Mailbox Continuity is expensive."
"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 customers can select the license packages as per their requirements."
"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."
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Top Industries

By visitors reading reviews
Outsourcing Company
10%
Computer Software Company
9%
Financial Services Firm
9%
Construction Company
8%
Construction Company
16%
Comms Service Provider
10%
Government
8%
Computer Software Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business21
Midsize Enterprise13
Large Enterprise23
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...
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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: September 2026.
916,956 professionals have used our research since 2012.