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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

"Cloudflare is simple to use."
"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."
"It's a perfect solution from my perspective; it's easy to understand and easy to configure."
"The blocking feature is very good."
"It is a stable solution."
"I'm very satisfied with the environment and the dashboard."
"Cloudflare Access is part of the Zero Trust philosophy."
"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."
"Overall, I would rate Microsoft Defender for Office 365 at a ten."
"The most valuable aspect of Microsoft Defender for Office 365 is its ability to protect us from malware."
"Microsoft Defender for Office 365 is a stable solution."
"Microsoft Defender for Office 365 is a cloud-based email filtering service that helps protect our organization against unknown malware and viruses by providing robust zero-day protection and includes features to safeguard our organization from harmful links in real-time."
"We have seen a return on investment because if we would have received a phishing email, Microsoft Defender for Office 365 would help out to detect the threat instead of crashing down the whole company."
"The most valuable feature is protection against malicious links, fishing, and impersonation. You can train people to be aware of these threats, but they're not always careful. When they're using their phones between meetings, they click on a link, and it's game over."
"The DLP feature of Microsoft Defender for Office 365 is valuable, and we also use the DLP feature for email real-time detection."
"The ability to respond to threats if very important."
"They have never let us down and we have never looked back."
"The key differentiators of the product for an MSP are its ease of use and effectiveness. It generates reports and makes things easy for IT to manage. It's a set-it-and-forget-it type of solution."
"SpamTitan is easy to navigate, it is in a format that the end user can understand, and I don't really need to handhold clients who are using it because they understand it is very intuitive."
"Overall, the intuitiveness of this product is pretty good."
"We appreciate how customizable and flexible the solution is, as it allows us to operate how we want with our own clustered instance while doing a great job filtering out spam and malicious emails that could otherwise severely compromise our systems and our clients’ businesses."
"It is a great product for the price point that you are getting; it has a fantastic value and I would highly recommend it."
"I like its ease of use. As director of IT, I'm often in contact with our staff to make sure that they're safe and secure in their usage of email, etc. The quarantine features in SpamTitan make it really easy for them to review messages that haven't come in, and the rating of the score helps them determine whether or not they want to look at them at all. So, I see the quarantine feature as one of the best things in SpamTitan."
"Its simplicity is most valuable. It does what we ask it to do. The filters work, and we are able to set the levels and give the clients or end-user access to the quarantine through a simple email."
 

Cons

"The pricing is an area that can be improved. Pricing, as far as I recall, was the source of our problems."
"The onboarding process can be improved a little bit."
"Our customers no longer use Cloudflare because its service is subpar."
"The initial onboarding was causing us some confusion."
"From a logging perspective, it is still a bit difficult to see exactly what users are being blocked with the current views."
"Our customers no longer use Cloudflare because its service is subpar."
"The response time for support must be reduced."
"Operating and tuning the product is difficult."
"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 inbuilt analysis of false positives can be faster. It's not slow, but it can be faster."
"One area for improvement is support, in terms of being able to reach them and, especially, technical support for configuration."
"The certification training for Defender for 365 needs to be deeper and incorporate Sentinel. I took all the security courses except one, and Sentinel isn't included."
"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."
"The pre-sales cost calculations could be more transparent."
"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."
"There is room for improvement in terms of reporting."
"If they had a little more documentation explaining how to use regex, or if they could include that inside of the cloud interface so that it generates regex code based on the parameters you input, that would be a lot more useful for people who aren't familiar with coding languages and HTML."
"There was a situation in which I needed to change the cloud server. From SpamTitan, I had to specify which server we were on for the integration into Office 365 and I actually only found that out because there was a problem."
"I would also like to see SpamTitan improve on its antivirus software. A problem with them is that they sometimes miss Trojans and malicious sites."
"We had to do some stuff with eFax in order to get eFaxing to come through. Had we known that ahead of time, we could have had that ironed out before we went live. However, we just didn't realize it was going to interfere with it. After we implemented it, we realized it was interfering with some of our eFaxes, so we had to go figure out why"
"It works when it wants to, it doesn't want, it doesn't work."
"The inter mailbox email flow needs improvement. If you are in the same domain, it does not have the capability to transfer one email to the same domain through SpamTitan. They need an API for Office 365 which is currently being developed"
"SpamTitan doesn't allow you to customize the frequency of reports. Sometimes our users complain that they cannot control how often SpamTitan's report comes. Users get a daily report, but some would prefer a notification every time an email is quarantined."
"We had problems initially when first implementing eFaxing. We had problems trying to get eFaxes to be recorded correctly and come through correctly."
 

Pricing and Cost Advice

"The price tag is no longer $200,000, but rather $300,000 to $400,000. It's twice."
"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 prices are slightly expensive."
"The pricing is somewhere in the middle. I would rate the pricing a seven out of ten."
"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 solution's pricing lacks transparency."
"Cloudflare Zero Trust Platform's pricing is good."
"The solution is not that expensive."
"Microsoft Defender for Office 365 is an add-on to the Office license. Many customers are purchasing this solution."
"Microsoft Defender for Office 365 comes with Microsoft Windows. It is free with the operating system."
"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."
"From the pricing point of view, like any other product in the market, there is scope for negotiation."
"I was working in the government and it was too expensive for us to use our Microsoft products."
"It's a user-base subscription."
"The product is expensive."
"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."
"The pricing is very reasonable and very comparable in the industry... Their licensing structure does leave a little bit to be desired. I would like it to be easier to understand how I can add licenses and update things."
"The price and the licensing are fair, allowing us to make a margin on the product. We paid a one-time fee for the sandboxing feature; apart from that, it's just the standard licensing."
"One user is the same price as 50 users and there isn't a discount until you get to about 500 users. From a small business point of view—we're 30 people—there should be a price break before you have 500 people. Small businesses don't have a lot of money."
"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."
"We pay for licenses and the price structure is very clean. You don't have to pay for on-premises equipment and perhaps a monthly service fee for hardware."
"They give you an update without charging you more for it, which is awesome. I like that a lot. It makes you feel appreciated as a customer."
"SpamTitan has competitive pricing and flexible licensing. They allow up to 10% more that you use and then add it to the next tier of licenses."
"The pricing and licensing are acceptable. The licensing is somewhat different; TitanHQ gives us a peak cap of simultaneous users, which they calculate as the number of email addresses viewed through so many days or weeks. That's considered our number of users, but it isn't always a one-to-one relationship, making it harder to resell. We can't say precisely that the solution costs X per month per user, but that's how we present the price to potential customers, and we just ensure we receive more than we pay to TitanHQ. The licensing hasn't caused us any problems, but it would be better if the pricing were per-user. I know that's not easy to achieve on a technical level."
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Top Industries

By visitors reading reviews
Construction Company
21%
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.
890,088 professionals have used our research since 2012.