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

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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

Microsoft Defender for Offi...
Sponsored
Ranking in Email Security
1st
Average Rating
8.4
Reviews Sentiment
7.0
Number of Reviews
52
Ranking in other categories
Email Archiving (1st), Advanced Threat Protection (ATP) (2nd), Microsoft Security Suite (10th), Secure Email Gateway (SEG) (1st)
Libraesva Email Security
Ranking in Email Security
31st
Average Rating
8.6
Reviews Sentiment
7.9
Number of Reviews
2
Ranking in other categories
No ranking in other categories
Microsoft Exchange Online P...
Ranking in Email Security
6th
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
39
Ranking in other categories
Anti-Malware Tools (7th)
 

Mindshare comparison

As of July 2025, in the Email Security category, the mindshare of Microsoft Defender for Office 365 is 12.3%, down from 16.9% compared to the previous year. The mindshare of Libraesva Email Security is 0.5%, up from 0.3% compared to the previous year. The mindshare of Microsoft Exchange Online Protection (EOP) is 6.3%, down from 8.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security
 

Featured Reviews

Tolu Omolaja - PeerSpot reviewer
Great URL scanning and attachment scanning, but I would like more proactive threat analysis
The two main features that prove most beneficial for us are URL scanning and attachment scanning. URL scanning involves an automatic scan of links and emails. When a user clicks on a link within an email, the system promptly checks the link's safety. If the link is deemed safe, access is granted automatically. However, if it is flagged as unsafe, we receive feedback and notification to caution us about the potentially harmful link. At this point, we are presented with the option to proceed or return. I have personally witnessed the system identify a few unsafe links, making this the primary advantage of using the solution. The second crucial aspect is the scanning of attachments. When an email containing an attachment arrives, we receive a notification of the new email, along with information that the attachment is being scanned for threats. This additional layer of security provides peace of mind for our organization. While Microsoft Defender for Office 365 offers numerous features, these two stand out as particularly impressive and valuable to us.
LucaTurano - PeerSpot reviewer
Handles security, malware and spam of email systems
We use Email Security Gateway on email systems for handling security, malware, and spam.  The solution is easier to manage than FortiMail. You can implement policies easily.  The solution does not always effectively identify zero day spam and phishing, but once reported the correction occurs very…
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

"Defender enables us to secure all 365-related activity from a single place. It gives us visibility into everything happening in Outlook, protecting us against phishing and other email-based threats. Defender helps us detect any suspicious behaviors."
"Threat Explorer is an invaluable tool for me, and it plays a crucial role in helping me discern the origins of various email campaigns, pinpointing where they emanate from, and identifying the individuals within our organization who are affected."
"Microsoft Defender for Office 365 has improved my organization's security. It makes it easier to manage the infrastructure without the help of third-party applications."
"Microsoft Defender for Office 365 facilitates efficient management and updates through the cloud. We do not have to worry about incompatibilities. It just works."
"The technical support is good and quick to resolve issues."
"Scalability-wise, I do not think there are any issues so far."
"The initial setup was easy."
"Does a thorough job of examining email and URLs for malicious content."
"It helps reduce spam and phishing attacks."
"The solution is easier to manage than FortiMail. You can implement policies easily."
"The product protects against malware."
"We can migrate seamlessly without any disruptions to our operations."
"The product's most valuable feature is third-party integrations."
"Microsoft Exchange Online Protection (EOP) is the best email solution with more features and robust security, making it ideal for corporate use."
"Microsoft Exchange Online Protection has features like DLP (data loss protection), Safe Attachment, and Safe Links."
"Online Protection's most valuable feature is its admin interface."
"It's all running in the backend, so it doesn't affect the app functionality."
"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."
 

Cons

"We noticed that from time to time, Microsoft's stability does have problems. Sometimes the service goes up and down. Sometimes they change without prior notice."
"Microsoft Defender for Office 365 must improve the overall management style, including the GUI. It also needs to change the filters so that it is easy to whitelist and blacklist data."
"About eight months ago, we started to measure the quantity of phishing and spam that we have been receiving, and it has been increasing a lot. That means that protection for our email is not as good as we were expecting."
"The XDR dashboard has room for improvement."
"The changes to customer service, specifically the new model for support agreements, are not favorable."
"There needs to be an improvement in integrating the product to work across multiple operating systems, and to have better support for non-Microsoft file types."
"The custom alerts have to improve a lot."
"It would be better if it were more scalable. It depends on the architecture, but we would like to make it more scalable for both data centers."
"Its pricing could be affordable."
"The solution does not always effectively identify zero day spam and phishing, but once reported the correction occurs very quickly."
"It wasn't easy or intuitive enough for me to start using it. So, the reason was that the solution changed."
"The solution must improve the user experience."
"Our company faces difficulty with Microsoft Exchange Online Protection (EOP) because it's too big, clunky, and difficult for a small client to implement quickly and easily."
"We would like the solution to have more in-built intelligence in the way that it reviews potential security risks, rather than our team constantly having to update the policies."
"Some features, like encryption, are not available."
"We have experienced issues while migrating from on-prem to the cloud. The tool needs to improve its stability."
"The tool's classification for bulk email is cumbersome."
"The product could be more stable. Microsoft products could be more stable because sometimes, even though they are updating some things, we cannot find those updates."
 

Pricing and Cost Advice

"The pricing is normal. Considering its popularity, it's not overpriced."
"Microsoft Defender is expensive. I typically recommend it only if clients have the budget. Otherwise, I would suggest an alternative."
"For licensing, it's usually a yearly package for customers who are subscribed to Office 365, but they can also pay on a monthly basis."
"The product is expensive."
"The product is very expensive."
"The solution could be better by simplifying the business model of their licensing. It was hard to figure out how to get the licensing done for the environment, initially."
"Defender for 365 comes in various plans and licenses, along with other Microsoft security solutions. Purchasing this kind of package or security bundle gives good value for money, and that's what I recommend."
"Defender is a little bit more expensive as compared to others. We are in the manufacturing environment. So, we don't have a high budget for all of our endpoint devices. Its cost is a major concern for us."
"Email Security Gateway's pricing is good."
"The product is expensive."
"The product is bundled with Microsoft 365."
"The solution should reduce the cost."
"Apart from the license fee for the solution, there are no additional costs."
"The price of Microsoft Exchange Online Protection is reasonable."
"The solution is priced high and could be less expensive compared to other solutions."
"Regarding the price, it's comparable to other service providers. We've also looked at Check Point's offerings, and the pricing doesn't seem to be an issue."
"Microsoft Exchange Online Protection's pricing is a little bit more because its price has recently increased."
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Top Industries

By visitors reading reviews
Computer Software Company
16%
Financial Services Firm
9%
Manufacturing Company
8%
Government
6%
Comms Service Provider
25%
Computer Software Company
15%
Manufacturing Company
11%
University
6%
Computer Software Company
15%
Financial Services Firm
9%
Government
8%
Manufacturing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

What do you like most about Microsoft Defender for Office 365?
Threat Explorer is an invaluable tool for me, and it plays a crucial role in helping me discern the origins of variou...
What is your experience regarding pricing and costs for Microsoft Defender for Office 365?
Microsoft is quite affordable with a lot of features available for any size organization.
What needs improvement with Microsoft Defender for Office 365?
Microsoft could improve by offering recommendations for domain spoofing attacks, especially scenarios where DNS recor...
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?
I would like to improve the setting of rules in Microsoft Exchange Online Protection (EOP) as it is currently working...
What is your primary use case for Microsoft Exchange Online Protection?
I am using Microsoft Exchange Online Protection (EOP) ( /products/microsoft-exchange-online-protection-eop-reviews ) ...
 

Also Known As

MS Defender for Office 365
No data available
Microsoft EOP, MS Exchange Online Protection
 

Overview

 

Sample Customers

Microsoft Defender for Office 365 is trusted by companies such as Ithaca College.
Information Not Available
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Find out what your peers are saying about Libraesva Email Security vs. Microsoft Exchange Online Protection (EOP) and other solutions. Updated: June 2025.
860,592 professionals have used our research since 2012.