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Fortra's Clearswift Secure Email Gateway vs Sophos Email 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
7.1
Number of Reviews
47
Ranking in other categories
Advanced Threat Protection (ATP) (1st), Microsoft Security Suite (11th)
Fortra's Clearswift Secure ...
Ranking in Email Security
40th
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
0
Ranking in other categories
No ranking in other categories
Sophos Email
Ranking in Email Security
11th
Average Rating
8.2
Reviews Sentiment
7.1
Number of Reviews
31
Ranking in other categories
Office 365 Protection (1st)
 

Mindshare comparison

As of February 2025, in the Email Security category, the mindshare of Microsoft Defender for Office 365 is 13.7%, down from 20.4% compared to the previous year. The mindshare of Fortra's Clearswift Secure Email Gateway is 0.7%, up from 0.5% compared to the previous year. The mindshare of Sophos Email is 2.4%, down from 2.7% 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.
it_user746937 - PeerSpot reviewer
Facilitates creation of your own content-filtering policies with relative ease
* Ability to create message bypasses for groups and/or individuals. Meaning, you do not have to "whitelist" email domains or addresses when a specific bypass will do. * Personal Message Manager (PMM): It allows users to release or delete quarantined messages. Also, allows users to add people to a Trusted Senders list. * Ability to create your own content-filtering policies with relative ease.
NaveedAli - PeerSpot reviewer
Provides good identity proxy features, but sandboxing and spam control features could be improved
Sophos gives you a feature set to manage your on-premises firewall on the cloud. I just integrated my on-premises firewall into the cloud, and I can manage the tool through the cloud as well if needed. I recommend using Sophos Email as a proxy. For email gateways, I advise choosing mature products with rich feature sets, like Trend Micro or CrowdStrike. The solution's integration with other tools is very simple. I easily integrated Sophos Email with my Active Directory. My organization needs a WAF with a limited feature set, which we use through Sophos. Purchasing additional WAF will be costly, but I get sandboxing and WAF features free of cost with Sophos, which is included in the license. Overall, I rate the solution a seven out of ten.

Quotes from Members

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

Pros

"I like its investigation capabilities, as that is what is most important to me. It is fairly simple with a user-friendly interface."
"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."
"The product is not resource-intensive."
"The basic features are okay and I'm satisfied with the Defender."
"Microsoft Defender for Office 365 facilitates efficient management and updates through the cloud. We do not have to worry about incompatibilities. It just works."
"Safe attachments, safe links, policies, and the ability to protect from zero-day threats are the most valuable features."
"Does a thorough job of examining email and URLs for malicious content."
"Defender is a SaaS platform, so it offers more flexibility. Managing the permissions is easier. The solution's automated detection and response features are scalable."
"A stable solution."
"Ability to create your own content-filtering policies with relative ease."
"I would recommend Sophos Email to both end-users and other entities that want to protect their emails."
"The most valuable feature is its email security."
"Sophos Email provides both inbound and outbound filtering."
"I cannot guarantee any email by its name. It can be spam. Sophos Email helps to double-check whether an email is spam or not. It has a dashboard which gives an overview of the alerts."
"Sophos Email is a stable solution."
"The most valuable feature of Sophos Email is the sandbox. We're able to scan the file, isolate it, and look at it before it is delivered. It is highly effective."
"When you say email security, it's about everything, incoming email, outgoing email, spam, phishing emails, unwanted marketing emails. You can set rules, but the main feature of Sophos Email is to make sure you don't get hacked. 95% of people who are hacked do not get hacked by typing the router password. They are hacked from the inside out, which means they send you a document that is a zero-day attack, you open it, nothing happens, but technically the attack is running in the background of your computer. This is how they gain access to your PC."
"It is a stable solution...It is a scalable solution."
 

Cons

"The UI needs to be more user-friendly."
"The product must provide better malware detection."
"Microsoft Defender for Office 365's Mac functionality requires improvement to deliver the same level of protection found on Windows devices."
"There is room for improvement in terms of reporting."
"The pre-sales cost calculations could be more transparent."
"The GUI is sometimes slow to fetch the device report and could be improved."
"In some situations, it has not been able to pick impersonated emails having no attachments. Technical support definitely has a scope for improvement."
"Microsoft should provide more documentation for users so they can self-educate. I would like to see more documentation for advanced security features."
"Malware needs improvement."
"FTP server and TRUST Manager functionality."
"Sophos Email has few improvements to implement, including the handling of incoming emails in the systems. It needs to add additional feature that helps in enhancing the scanning processes of these emails. While adding these features, it should work towards improving the current features also."
"Sophos Email could improve DLP features."
"The solution's technical support is slow and unresponsive. You need to book time in order to get support."
"The tool's pricing is expensive. In its future release, the tool should make reporting easier to view."
"The solution should be able to support the cloud environment."
"The solution's sandboxing and spam control features could be improved."
"Their technical support is slow to respond."
"The product could include all the essential features and capabilities, similar to the on-premise, server-based version."
 

Pricing and Cost Advice

"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."
"For large enterprise organizations, they can definitely afford it, but for small and medium organizations, they might struggle to cover the expenses."
"While Microsoft Defender for Office 365 necessitates pricier E3 or E5 subscriptions, the extensive functionality offered by these licenses across various Microsoft products justifies the investment."
"The product is expensive."
"I know that the product is incredibly expensive."
"Microsoft Defender for Office 365 is an add-on to the Office license. Many customers are purchasing this solution."
"The license is expensive because the cost is based on the number of users."
"It's a user-base subscription."
Information not available
"Sophos Email is a little expensive for us, but it's necessary. We have a subscription and renew it every three years."
"Sophos Email is neither cheap nor expensive."
"It falls somewhere in the middle—it's not excessively expensive nor very cheap."
"We use exchange licenses, for which we get immediate support from Sophos."
"I would rate the pricing of Sophos Email as a six. It is considered affordable as a standalone product, and there are no additional costs besides licensing. The pricing is fixed."
"Licensing is paid on a yearly basis."
"I rate the price of Sophos Email a four out of five."
"The solution is expensive."
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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
24%
Financial Services Firm
16%
Government
14%
Construction Company
5%
Computer Software Company
14%
Manufacturing Company
10%
Comms Service Provider
7%
Healthcare 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?
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.
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What do you like most about Sophos Email?
The solution's identity proxy feature is very good and reliable.
What is your experience regarding pricing and costs for Sophos Email?
Sophos Email pricing is a bit high, especially since I purchase through a partner, and they sell it at a higher price...
What needs improvement with Sophos Email?
Email installation could be more user-friendly so that it can be done without involving the partner. If made more use...
 

Also Known As

MS Defender for Office 365
No data available
Sophos Email Security
 

Overview

 

Sample Customers

Microsoft Defender for Office 365 is trusted by companies such as Ithaca College.
Information Not Available
Del Monte Foods, Terra Verde, spicerhaart, RIVERLITE, Dataprise, SureBridge, Reed's School, Sayfol International School
Find out what your peers are saying about Fortra's Clearswift Secure Email Gateway vs. Sophos Email and other solutions. Updated: January 2025.
838,713 professionals have used our research since 2012.