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AppRiver Email Security vs Microsoft Exchange Online Protection (EOP) comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Dec 3, 2024

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

AppRiver Email Security
Ranking in Email Security
38th
Average Rating
9.0
Reviews Sentiment
6.6
Number of Reviews
2
Ranking in other categories
No ranking in other categories
Microsoft Exchange Online P...
Ranking in Email Security
7th
Average Rating
8.2
Reviews Sentiment
6.7
Number of Reviews
41
Ranking in other categories
Anti-Malware Tools (8th)
 

Mindshare comparison

As of October 2025, in the Email Security category, the mindshare of AppRiver Email Security is 0.9%, down from 1.2% compared to the previous year. The mindshare of Microsoft Exchange Online Protection (EOP) is 5.4%, down from 7.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security Market Share Distribution
ProductMarket Share (%)
Microsoft Exchange Online Protection (EOP)5.4%
AppRiver Email Security0.9%
Other93.7%
Email Security
 

Featured Reviews

John Zupancic - PeerSpot reviewer
Pricing that is competitive, excellent technical support, and email security
They do a better job of distinguishing between what's real and what's not than most of the other solutions we've tried. They are very easy to use. We don't have as many problems with email security. They have some areas that could be improved. For example, we also use Zix email Encryption for email encryption, which was clunky and could be improved, but the email security itself has been excellent.
Amber Worth - PeerSpot reviewer
Retrieves data from quarantines and easy to read logs with robust security features
Some of the searchability when looking for specifics in Exchange logs is tedious. Although eventually the information is located, it can be difficult if detailed information is lacking. Improving the search process by allowing searches with different types of parameters and facilitating searches within emails would be advantageous. Simplifying interfaces would also be appreciated.

Quotes from Members

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

Pros

"It's easy to use and user-friendly. Users can also easily release spam emails."
"They are very easy to use."
"The product protects against malware."
"It's definitely scalable."
"With Microsoft Exchange Online Protection, if malware is attached to a mailer, it's very easy to go into the incident alert and find out what's happening with that identity and the mail."
"We like the holding facility that is available for potentially suspicious URL's. This allows a real-time review to be performed before the email reaches a users inbox."
"You can use the product to create special accounts."
"The most valuable feature of Microsoft Exchange Online Protection is the accidental release of information protection capabilities. Additionally, the solution is easy to use."
"The most valuable feature is the ease of administration. Other solutions require complex administration, but Microsoft Exchange Online Protection is easier."
"It is easy to configure, easy to use, easy to add exclusions, easy to track, and easy to add anything else if you want."
 

Cons

"Email security checks contain a small number of false positives."
"It needs to make sure that the application is up to date with new attacks. They should also send us the demo or introductions for their new incoming features."
"The solution can be complex at times. It would be nice to have the on-server version. It needs to improve the stability as well."
"Having orchestration features added to Microsoft Exchange Online Protection, particularly automation and remediation, would be quite useful."
"The price of Microsoft Exchange Online Protection could be reduced to make it more competitive."
"The reporting needs a little bit of improvement."
"Some of the searchability when looking for specifics in Exchange logs is tedious."
"It would be helpful for customers if Plan 1 features were included with EOP."
"The biggest issue that I experience is that Microsoft keeps moving things around, and it's very inconsistent as to where you find the information when you're trying to work on different pieces."
"The product's end-of-life cycle could be extended."
 

Pricing and Cost Advice

"They're fairly inexpensive, but they're right in the ballpark of most of the other online products like that."
"I can rate it five out of ten because there are different platforms that also offer the same services for lower prices. But AppRiver is more flexible."
"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 solution is priced high and could be less expensive compared to other solutions."
"The solution's pricing is subscription-based rather than a yearly licensing cost. Pricing is based on the size of the environment and company and can be expensive."
"Apart from the license fee for the solution, there are no additional costs."
"On a scale of one to ten, where one is cheap, and ten is very expensive, I rate the pricing a six. For licensing, we can make monthly or yearly payments. Right now, we pay 5 USD per month to secure a person's license."
"The price of Microsoft Exchange Online Protection is reasonable."
"The product's pricing is competitive for the US market."
"The tool's pricing is excellent."
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Top Industries

By visitors reading reviews
Computer Software Company
11%
Manufacturing Company
10%
Comms Service Provider
8%
Retailer
7%
Computer Software Company
14%
Financial Services Firm
10%
Government
9%
Manufacturing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business24
Midsize Enterprise7
Large Enterprise10
 

Questions from the Community

Ask a question
Earn 20 points
What do you like most about Microsoft Exchange Online Protection?
The initial setup was easy. The configuration process is very straightforward.
What needs improvement with Microsoft Exchange Online Protection?
The user interface of Microsoft Exchange Online Protection (EOP) has room for improvement, as at times it doesn't make sense where to go to access certain features.
What is your primary use case for Microsoft Exchange Online Protection?
My use case for Microsoft Exchange Online Protection (EOP) is basically to protect ourselves from phishing emails and to improve our email security.
 

Also Known As

AppRiver Advanced Email Security
Microsoft EOP, MS Exchange Online Protection
 

Overview

 

Sample Customers

IHMC
Information Not Available
Find out what your peers are saying about AppRiver Email Security vs. Microsoft Exchange Online Protection (EOP) and other solutions. Updated: September 2025.
868,787 professionals have used our research since 2012.