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AppRiver Email Security vs Mimecast Email Security comparison

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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

Microsoft Defender for Offi...
Sponsored
Average Rating
8.2
Reviews Sentiment
7.1
Number of Reviews
48
Ranking in other categories
Email Security (1st), Advanced Threat Protection (ATP) (1st), Microsoft Security Suite (11th)
AppRiver Email Security
Average Rating
9.0
Reviews Sentiment
6.6
Number of Reviews
2
Ranking in other categories
Email Security (24th)
Mimecast Email Security
Average Rating
8.0
Reviews Sentiment
5.9
Number of Reviews
30
Ranking in other categories
Office 365 Protection (5th), Secure Email Gateway (SEG) (3rd)
 

Mindshare comparison

Email Security
Secure Email Gateway (SEG)
 

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.
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.
Frank Rawson - PeerSpot reviewer
It gives clients peace of mind and helps them educate their users about threats
A few years ago, our team found the implementation to be somewhat challenging. It has gotten easier as we've grown more experienced. The difficulty depends on the expertise of the person doing it. I don't work with Mimecast every day, so it might be more difficult for me than it is for one of my techs who regularly does Mimecast implementations. It requires some specific in-depth product knowledge and an understanding of email solutions. The deployment time varies. In South Africa, it depends on who you use to deploy it. If you use one of Mimecast's local partners, it can take up to two weeks because of their process. However, it's only about four to eight hours of work. After deployment, there isn't much maintenance aside from supporting and educating your customers. Users require constant education on how to use the Mimecast client and release an email that has been blocked.

Quotes from Members

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

Pros

"Microsoft Defender for Office 365 helps people to work remotely. It is a secure solution. We don't need to use our company's computers or get VPN connections to the networks. I can control how they share screens and what they send to the devices. It keeps our organizations confidential and sensitive information safe."
"Safe attachments, safe links, policies, and the ability to protect from zero-day threats are the most valuable features."
"Defender helps us prioritize threats across our organization."
"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."
"We use Microsoft Defender for its ability to integrate with existing business technologies, which is beneficial for protecting business areas."
"The risk level notifications are most valuable. We get to know what kind of intrusion or attack is there, and we can fix a problem on time."
"I would say that 90% of the spam and phishing attack emails get blocked right off the bat."
"The initial setup is straightforward. You just add the license, click it, and then you can set up the rules. It is quite simple."
"It's easy to use and user-friendly. Users can also easily release spam emails."
"They are very easy to use."
"The solution's performance is good."
"Email security is the most valuable feature of the solution."
"The integration is straightforward."
"The interface of this solution is very easy to navigate and user-friendly. There is no delivery in email and other communications, making it reliable. The configuration is relatively easy."
"It does a good job for us, and its admin console is easy to use."
"The piece that is most valuable from the Mimecast standpoint will be the sandboxing feature."
"We like the content filtering and secure messaging features."
"The product is good. To date, we have not faced any challenges."
 

Cons

"There is room for improvement in terms of reporting."
"Configuring the default strategies and policies in Microsoft Defender for Cloud Apps generates a lot of noise and false positives."
"The custom alerts have to improve a lot."
"Microsoft Defender for Office 365 should improve the troubleshooting tools. It's unclear whether the device is blocked at the firewall level or at the device itself. The granularity needed for troubleshooting is currently lacking. From my perspective, Microsoft should address this issue to benefit many users who likely share the same sentiment."
"One area for improvement is integration. For example, when it comes to external SaaS platforms, we were not able to get a lot of information on integrations with such apps for security and authentication."
"The GUI is sometimes slow to fetch the device report and could be improved."
"Configuration requires going to a lot of places rather than just accessing one tab."
"They have moved features from one console to another. Things have been moved around in the interface and it takes me time to find where certain features are."
"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."
"Email security checks contain a small number of false positives."
"The solution is very expensive."
"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 platform's cost-effectiveness could be improved."
"Mimecast needs to reduce the number of false positive emails; a big pain point for us."
"They could provide a unified licensing model, including all the security features."
"I'd like to have better support from the product in the future."
"They should improve the cookies management feature."
"Mimecast needs to reduce the number of false positive emails; a big pain point for us."
 

Pricing and Cost Advice

"From the pricing point of view, like any other product in the market, there is scope for negotiation."
"Microsoft Defender for Office 365 comes with Microsoft Windows. It is free with the operating system."
"Compared to other brands, Microsoft Defender for Office 365's pricing is competitive."
"It's a user-base subscription."
"The product is very expensive."
"I know that the product is incredibly expensive."
"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."
"Microsoft Defender for Office 365 is an add-on to the Office license. Many customers are purchasing this solution."
"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."
"They're fairly inexpensive, but they're right in the ballpark of most of the other online products like that."
"For what it is, the product is overpriced."
"There are additional costs beyond the standard licensing fee."
"The licensing costs are per-user for the product that you get with them."
"It's an expensive solution."
"It is a bit expensive."
"Compared to the other solutions in the market, Mimecast Email Security with Targeted Threat Protection's pricing is fine."
"The solution is expensive."
"The customers can select the license packages as per their requirements."
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Top Industries

By visitors reading reviews
Computer Software Company
16%
Financial Services Firm
9%
Manufacturing Company
8%
Government
6%
Computer Software Company
15%
Non Profit
7%
Construction Company
7%
Financial Services Firm
7%
Computer Software Company
15%
Financial Services Firm
8%
Manufacturing Company
7%
Government
5%
 

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?
I don't have detailed specifics on pricing, setup cost, or licensing.
What needs improvement with Microsoft Defender for Office 365?
I am generally satisfied with how it currently is. If I could improve anything, I would reduce the cost.
What do you like most about AppRiver Email Security?
It's easy to use and user-friendly. Users can also easily release spam emails.
What is your experience regarding pricing and costs for AppRiver Email Security?
I can rate it five out of ten because there are different platforms that also offer the same services for lower price...
What needs improvement with AppRiver Email Security?
It needs to make sure that the application is up to date with new attacks. They should also send us the demo or intro...
What do you like most about Mimecast Email Security with Targeted Threat Protection?
The interface of this solution is very easy to navigate and user-friendly. There is no delivery in email and other co...
What is your experience regarding pricing and costs for Mimecast Email Security with Targeted Threat Protection?
The pricing is higher for Mimecast, particularly for the Indian market, where it is considered expensive.
What needs improvement with Mimecast Email Security with Targeted Threat Protection?
There is nothing that notably stands out in need of improvement at present.
 

Also Known As

MS Defender for Office 365
AppRiver Advanced Email Security
Mimecast Email Security with Targeted Threat Protection
 

Overview

 

Sample Customers

Microsoft Defender for Office 365 is trusted by companies such as Ithaca College.
IHMC
Azizi Developments, Affinity Credit Union, Aftercare, Al Abbar Group
Find out what your peers are saying about AppRiver Email Security vs. Mimecast Email Security and other solutions. Updated: January 2024.
847,625 professionals have used our research since 2012.