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Microsoft Defender for Office 365 vs TitanHQ SpamTitan comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Feb 8, 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

Cloudflare One
Sponsored
Ranking in Email Security
21st
Average Rating
8.6
Reviews Sentiment
6.5
Number of Reviews
23
Ranking in other categories
Secure Web Gateways (SWG) (15th), Data Loss Prevention (DLP) (20th), Cloud Access Security Brokers (CASB) (11th), Distributed Denial-of-Service (DDoS) Protection (7th), Software Defined WAN (SD-WAN) Solutions (13th), Access Management (13th), Bot Management (3rd), ZTNA as a Service (9th), ZTNA (4th), Secure Access Service Edge (SASE) (10th), Remote Browser Isolation (RBI) (3rd)
Microsoft Defender for Offi...
Ranking in Email Security
2nd
Average Rating
8.4
Reviews Sentiment
6.8
Number of Reviews
62
Ranking in other categories
Email Archiving (1st), Advanced Threat Protection (ATP) (2nd), Microsoft Security Suite (9th), Secure Email Gateway (SEG) (1st)
TitanHQ SpamTitan
Ranking in Email Security
17th
Average Rating
9.0
Reviews Sentiment
7.4
Number of Reviews
80
Ranking in other categories
Anti-Malware Tools (21st), Office 365 Protection (5th)
 

Mindshare comparison

As of April 2026, in the Email Security category, the mindshare of Cloudflare One is 1.5%, down from 1.7% compared to the previous year. The mindshare of Microsoft Defender for Office 365 is 7.3%, down from 13.1% compared to the previous year. The mindshare of TitanHQ SpamTitan is 1.3%, up from 1.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security Mindshare Distribution
ProductMindshare (%)
Microsoft Defender for Office 3657.3%
TitanHQ SpamTitan1.3%
Cloudflare One1.5%
Other89.9%
Email Security
 

Featured Reviews

CV
Network Architect at IP Dimension
Cloud security has improved remote access and has reduced costs for smaller client sites
I have used Cloudflare One's Identity-Aware Proxy, and it is quite straightforward from what I have seen so far. The app registration on the Azure side integrates fully into Cloudflare, and I am very satisfied with that part because it is easy to set up. The integration of Cloudflare One's Secure Web Gateway and Zero Trust Network Access works without any issues. That part is pretty automatic, and if you complete the rest of the setup, it comes together by itself with no issues from my side. What makes it nice is that we can actually start replacing on-site firewalls at this stage for the smaller clients because it does not matter if they go to a coffee shop or work from home; they are still secured by the same connection. The hops get shorter and you get better latency. We have done testing to see if it is better. One thing that we did notice with our proof of concept with our current client is that they have people connecting from the UK. When they used their previous VPN solution, uploading CAD drawings and other files to the server took a long time. They mentioned that it is much quicker on Cloudflare One's solution. I definitely believe that is part of the improved performance, and I am satisfied with that as well. What is nice about Cloudflare One is that it makes the setup easier and also easier to train technicians to maintain it. Compared to legacy systems, we do not need to get fancy firewalls in place that are costly. That is definitely also a cost-saver with Cloudflare One.
Emeka Ndulu - PeerSpot reviewer
Cloud Solutions Architect at a tech services company with 201-500 employees
Improves threat visibility and response while reducing manual tasks and training users against phishing
I appreciate the attack simulation feature whereby I get to train users and educate them on how to identify phishing emails and spam emails, as well as the anti-spam protection. It gives me visibility into my threat environment and threat landscape to ensure that I am one step ahead of any likelihood of threats within my environment. I get to detect it and respond, so the threat intelligence is very effective. Microsoft security solutions save my time. It saves money because once I protect my environment, I don't lose money. It has decreased my detection time and my time to respond.
Pusa Alexandru-Catalin - PeerSpot reviewer
Managing Partner at Cabinet Avocat Pusa Alexandru Catalin
Outdated user-interface and offers basic functionality, they have great marketing but only deliver the basics
I was previously a satisfied customer of OnlyMyEmail. Unfortunately, they had a significant technical failure and couldn't provide security for a week, causing them to lose their biggest client. That's when I switched to Bitdefender for email security. I used Bitdefender. But it didn't meet my needs. I used it for two years. Its technology was far inferior to OnlyMyEmail. I also looked into Censornet. However, I eventually obtained a server license for SpamTitan. Currently, I am one of the slightly happy. customer of SpamTitan. It works when it wants to, it doesn't want, it doesn't work. The main difference between SpamTitan and OnlyMyEmail was accuracy. I never saw false positives with OnlyMyEmail in the ten years I used it. It just worked as it should, and at a very low price. I'm not sure what technology they used, but it was excellent. I was paying around one dollar and something cents per email address per month.

Quotes from Members

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

Pros

"The solution has different options that can be used to differentiate DDoS attacks."
"The capabilities of the software are strong enough for me to do what it's supposed to do. For me, we don't need to do a lot of configuration on our site. We just enable it and monitor it."
"Cloudflare Zero Trust Platform removes the risk of exposing the applications to the public."
"The simplicity of the solution is its valuable features as almost no effort was needed to learn the configurations. It is also one of the cheapest firewalls available in this category."
"We mostly use Cloudflare WAF, and gets basic Cloudflaire DDoS, caching as extra bonus . We like the factor these features are all integrated into 1 console, simple to manage."
"The tool also offers good scalability, and the dashboard, along with real-time analytics, is very good."
"Cloudflare is simple to use."
"Using Cloudflare One makes my work quite easy because for DDoS protection, all I need to do is understand the OSI model and click; it makes it easier than trying to write a command line or use a Linux command."
"Does a thorough job of examining email and URLs for malicious content."
"The benefit that stands out to me is the ability for multiple individuals to collaborate simultaneously within the same document. Additionally, there is the option to save the document directly in the integrated OneDrive or SharePoint."
"I would say that 90% of the spam and phishing attack emails get blocked right off the bat."
"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."
"Microsoft Defender for Office 365 has significantly reduced the phishing impact on users and improved the detection of malicious emails, which has also improved visibility for my SOC team."
"Microsoft Defender for Office 365 is a stable solution."
"At the moment we are satisfied with this product. It's a stable, scalable, and resilient solution for us."
"Technical support is very good. They are knowledgeable and respond quickly."
"The product has a helpful interface."
"SpamTitan has helped us big time with improving our spam catch rate and reduced our false positive rate."
"SpamTitan has improved our organization because it does a better job at filtering spam from getting in, along with the many phishing attempts."
"In some ways, it was nice SonicWall did fail because we have a better solution now."
"Among the features that led us to choose SpamTitan are the ability to lock down, the multiple layers of security they have built into it, the ability to scrub inbound and outbound, as well as higher-level SPF and DMARC capabilities that were not really built into our previous product."
"URL blocking is helpful. It will block any URL sending out lots of spam or phishing. It will rename the URL itself and send it to the user. The admin will block it, or you can allow users to release it if you want."
"We're very pleased with SpamTitan and the functionality that it has given us."
"The solution is not hard to manage."
 

Cons

"Feedback could be enhanced."
"The pricing is an area that can be improved. Pricing, as far as I recall, was the source of our problems."
"Operating and tuning the product is difficult."
"When there are any dynamic changes in complex applications, the tool takes a lot of time, making its analytics-related area a major matter of concern where improvements are needed."
"The response time for support must be reduced."
"They don't have a person to provide support for customers using the solution under their free plan."
"There are premium tier live service and lower tier live service, so we opted for the lower tier. But there is no medium tier where we pay a little extra and get a bit more service. So if that can be improved."
"The onboarding process can be improved a little bit."
"The inbuilt analysis of false positives can be faster. It's not slow, but it can be faster."
"If you look at other products, such as Wiz or Palo Alto's cloud, because they also have similar components in terms of how they protect cloud infrastructure or enable cloud security, Microsoft Defender for Office 365 is not up to that extent."
"Microsoft Defender for Office 365 should be more proactive."
"Microsoft needs to broaden its global support presence by establishing teams of subject-matter experts in all regions."
"In some situations, it has not been able to pick impersonated emails having no attachments. Technical support definitely has a scope for improvement."
"Several simulation options are available within 365, and the phishing simulation could be better."
"The only thing they should improve is the licensing model. They should stop changing it. A year ago, the five features I mentioned were included in one product. Now, three of them are bundled into one product, and you have to pay extra for the other two. I don't mind paying extra, but I don't want them to change it every year or every six months. I need to know what I'm looking at and not worry about it next year."
"Configuring the default strategies and policies in Microsoft Defender for Cloud Apps generates a lot of noise and false positives."
"I'd like to see something like "My First SpamTitan," by which I mean, "Guide me through the things I need to set, and tell me about the things that you're setting already." That way I would get a good feeling for setting up the product, rather than having to figure it out by myself, which is what I did."
"It took some adjustment and some getting used to when it came to where to add the users and the general layout. It wasn't very logical or intuitive. That functionality was under the Anti-Spam Engine instead of Domain or User Policies."
"Specifying your own filtering rules can be somewhat tricky. You can leave it alone or add your own filter rules using regular expressions. It would be nice to get a little more help configuring the regular expressions. That is quite complicated, and it's something I struggled with."
"The phishing rate of SpamTitan is not great, even Exchange Online Protection catches phishing better than SpamTitan."
"The interface needs to be improved; some elements aren't where I expect them to be, so it could be more intuitive."
"SpamTitan doesn't quarantine when it blocks things based on the remote block list or greylisting. It just deletes the email."
"Its GUI can definitely be improved. As the administrator of the product, the GUI isn't very logically built. If you need something, you don't have one menu where you can say, "Well, this relates to our customers," and manage everything for your customers in that interface. The naming and placement of some of the menus need improvement. For example, if I'm looking for a log to take a look at what has passed through the filter of a specific customer, I get these ZIP-packed files that I can't use for anything. I have to look under history instead. The naming of some of the features is off by a lot."
"Specifying your own filtering rules can be somewhat tricky."
 

Pricing and Cost Advice

"The price tag is no longer $200,000, but rather $300,000 to $400,000. It's twice."
"The prices are slightly expensive."
"Cloudflare Zero Trust Platform's pricing is good."
"The solution's pricing lacks transparency."
"The pricing is somewhere in the middle. I would rate the pricing a seven out of ten."
"The solution is not that expensive."
"My company has to make yearly payments towards the licensing costs attached to the solution. There are no hidden charges apart from the licensing costs of the solution."
"The pricing of the solution is cheap. The licensing cost is also very low. I rate the cost and pricing a three out of ten."
"The pricing is normal. Considering its popularity, it's not overpriced."
"Microsoft Defender for Office 365 comes with Microsoft Windows. It is free with the operating system."
"It is much more expensive than using another solution because we have had to include some options and upgrade our license."
"Compared to other brands, Microsoft Defender for Office 365's pricing is competitive."
"From the pricing point of view, like any other product in the market, there is scope for negotiation."
"Microsoft Defender is expensive. I typically recommend it only if clients have the budget. Otherwise, I would suggest an alternative."
"The license is expensive because the cost is based on the number of users."
"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 price of this solution is low. When you do purchase everything is included in the licensing cost."
"For the service, the pricing is reasonable."
"Cloud-based solutions charge per mailbox, which isn't ideal sometimes. A company could have 300 total mailboxes and only 50 in regular use, but they would have to pay the same for all of them. I want a cloud-based solution that gives a price based on the volume of email traffic."
"The pricing is ideal. A lot of other anti-spams are integrated in Exchange, counting technical mailboxes that are not sending any emails outside. So, they are not scanned and only for internal communication. SpamTitan only counts the emails that it scans. This is one of the best licensing models that I saw for anti-spam solutions because it is counting dynamically the number of emails that senders are sending. It counts these uniquely by week. It provides a very realistic picture. This is very useful because we are not counting the emails doing inbound or outbound notifications from our company."
"I pay $650 per year for 50 licenses."
"The product's cost is average."
"The price is quite advantageous; we were initially surprised at the pricing compared to other solutions, which made us doubt if this was the solution for us. Then, we discovered SpamTitan's features and how cost-effective it is. The sales team does an excellent job making our life easier in terms of pricing, which is another significant advantage of this product."
"It's not extremely expensive. Other solutions get really pricey, really fast."
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Top Industries

By visitors reading reviews
Construction Company
22%
Comms Service Provider
10%
Financial Services Firm
8%
Manufacturing Company
6%
Computer Software Company
12%
Financial Services Firm
8%
Manufacturing Company
8%
Comms Service Provider
6%
Computer Software Company
12%
Manufacturing Company
10%
Financial Services Firm
10%
Outsourcing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business10
Midsize Enterprise2
Large Enterprise11
By reviewers
Company SizeCount
Small Business25
Midsize Enterprise10
Large Enterprise31
By reviewers
Company SizeCount
Small Business54
Midsize Enterprise13
Large Enterprise10
 

Questions from the Community

What needs improvement with Cloudflare Access?
Cloudflare Access has strong integration with Microsoft, among other platforms. However, when it comes to Kaspersky, ...
What is your primary use case for Cloudflare Access?
Cloudflare Access provides secure access to internal applications for employees, external members of the organization...
What advice do you have for others considering Cloudflare Access?
Cloudflare Access is one of the best integrations available. While about two hundred vendors offer similar services, ...
What is your experience regarding pricing and costs for Microsoft Defender for Office 365?
My experience with pricing, setup, and licensing is that it's actually quite reasonable even on the licensing side as...
What needs improvement with Microsoft Defender for Office 365?
I think Microsoft Defender for Office 365 can be improved by creating more educational pieces about not just looking ...
What is your primary use case for Microsoft Defender for Office 365?
My main use cases for Microsoft Defender for Office 365 include email hygiene.
What is your experience regarding pricing and costs for TitanHQ SpamTitan?
The pricing model is reasonable money for the product. It is rated highly because of its affordability and its great ...
What needs improvement with TitanHQ SpamTitan?
If you had asked me a few weeks ago, I would have said the user interface needed improvement, but we've just updated ...
 

Also Known As

Cloudflare Area 1 Email Security, Cloudflare Bot Management, Cloudflare Gateway, Cloudflare Zero Trust Platform, Cloudflare DDoS, Cloudflare SASE & SSE Platform
MS Defender for Office 365
No data available
 

Overview

 

Sample Customers

23andMe
Microsoft Defender for Office 365 is trusted by companies such as Ithaca College.
De Montfort University, Scope Services, Park County School District, NRC, Quality Smith, Toyota, CarTrawler, Videotron
Find out what your peers are saying about Microsoft Defender for Office 365 vs. TitanHQ SpamTitan and other solutions. Updated: April 2026.
886,932 professionals have used our research since 2012.