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TitanHQ SpamTitan vs Trend Micro Deep Discovery Email Inspector 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
52
Ranking in other categories
Email Archiving (1st), Advanced Threat Protection (ATP) (2nd), Microsoft Security Suite (10th), Secure Email Gateway (SEG) (1st)
TitanHQ SpamTitan
Ranking in Email Security
13th
Average Rating
9.0
Reviews Sentiment
7.4
Number of Reviews
80
Ranking in other categories
Anti-Malware Tools (9th), Office 365 Protection (3rd)
Trend Micro Deep Discovery ...
Ranking in Email Security
26th
Average Rating
7.8
Reviews Sentiment
7.1
Number of Reviews
8
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of June 2025, in the Email Security category, the mindshare of Microsoft Defender for Office 365 is 12.6%, down from 17.6% compared to the previous year. The mindshare of TitanHQ SpamTitan is 1.1%, down from 1.5% compared to the previous year. The mindshare of Trend Micro Deep Discovery Email Inspector is 0.4%, up from 0.1% 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.
Ricky Brewster - PeerSpot reviewer
Delivers reliable email security with minimal maintenance and valuable threat intelligence
If you had asked me a few weeks ago, I would have said the user interface needed improvement, but we've just updated it. It looks really modern now, and it's a lot easier to use. At the moment, I don't have anything specific for improvement. Additionally, I would suggest different roles for users. We want the ability to lock down certain functions for certain user roles to prevent accidental changes, such as an apprentice accidentally deleting a customer.
Bilal Saleem - PeerSpot reviewer
Reliability and threat intelligence make this solution competitive, but AI improvements can further enhance its effectiveness
The best features of Trend Micro Deep Discovery Email Inspector include its reliability. The second valuable feature is its built-in sandbox feature, allowing for inspection of incoming emails and attachments. The sandbox is an appliance that opens any attachment in an enclosed environment to assess its impact and potential for viruses. This protects the network from harmful threats. Trend Micro has a very large R&D team with excellent threat intel, allowing them to provide better solutions than some competitors. They understand emerging threats based on the information from their EDR. The key strengths can be summarized as reliability, a good integrated one-box solution that includes a sandbox, and their R&D capabilities and good ratings, which lead to better threat intelligence. The detailed threat intelligence provided by Trend Micro Deep Discovery Email Inspector is valuable in understanding the behavior and tactics of potential email threats.

Quotes from Members

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

Pros

"Overall, I would rate Microsoft Defender for Office 365 at a ten."
"The most valuable feature of Microsoft Defender for Office 365 is the ease of use."
"The technical support is good and quick to resolve issues."
"Does a thorough job of examining email and URLs for malicious content."
"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."
"The deployment capability is a great feature."
"Microsoft Defender for Office 365's most valuable feature is its performance."
"Defender for 365 is a comprehensive cloud-based solution. The value of the cloud is that you aren't alone. Threat intelligence and analytics are shared in the cloud. We don't have to find the solution alone. If you face an unknown threat with traditional solutions like Trend Micro and Symantec, you need to open a case and send your information to them to analyze forensically and identify the source of the attack."
"SpamTitan is highly scalable. You can add as many clustered servers as you require. If you find that your cluster is under a heavy load, it's simple to get SpamTitan to add other clusters to your environment. If we doubled in staff, our current solution has more than enough capacity to cope, but we're not planning on changing our usage at this time."
"I have found the feature that creates seamless categorization of emails valuable. This is most likely done by having a large database to compare and to identify what are the domains that are currently spammers."
"I like the ability to go online and view mail that's been quarantined. SpamTitan lets you look at the mail and decide whether you want to release it or not."
"I like that advanced features such as DKIM signing are integrated into SpamTitan. It works well, and setting up DKIM can be cumbersome for many email servers, particularly with Microsoft Exchange. DKIM signing verifies the sender's authenticity by applying a signature to outgoing emails, and it was straightforward to set up within the solution."
"It lowers the amount of junk email you have to go through and delete."
"We really like the fact that we get a quarantine report because we can identify for ourselves which emails we want to keep and which we want to get rid of. It also gives us the option of directly allowing emails, which we really like. That way, the next time we get such emails, they're not blocked."
"The granularity of the setup is most valuable. It has all the features we need from global settings to per-user settings. We are pretty happy with it."
"I had server issues but I still needed to be able to look at what emails I would have received if my email server had been working correctly. SpamTitan has a reporting functionality that showed me what emails would have been sent. I could actually see the content of those emails."
"I highly recommend Trend Micro Deep Discovery Email Inspector due to its security and scalability features."
"Trend Micro is a very good product."
"The most valuable feature of Trend Micro Deep Discovery Email Inspector is the simple analysis of phishing emails."
"It can effectively monitor outbound and inbound devices."
"I find Trend Micro to be a good solution for security purposes."
"I like that it is very user-friendly and easy to install."
"The best features of Trend Micro Deep Discovery Email Inspector include its reliability."
"The solution's most valuable features include visibility into the network and fast sandboxing technology for alerts, though response time can vary."
 

Cons

"Specifically, within Microsoft Defender for Office 365, I want it to improve the DLP capabilities."
"In some situations, it has not been able to pick impersonated emails having no attachments. Technical support definitely has a scope for improvement."
"You should be able to deploy Defender for every subscription without the need to add servers."
"In the areas of improvement for Microsoft Defender for Office 365, the console is the biggest challenge for me."
"Microsoft sometimes has downtime, and we'll get several incidents coming in back to back. We have a huge backlog of notifications, many of which may be false positives. However, there might be serious alerts, so we can't risk dismissing all of them at once."
"The XDR dashboard has room for improvement."
"They can improve their security in a way where a customer can know if all their attachments are safe or not to open through a report. The solution does its job perfectly, but it never reports to the customer whether those attachments have been stopped before or not."
"Specifically, within Microsoft Defender for Office 365, I want it to improve the DLP capabilities."
"We are using the data center version with a dedicated server. It would be more user-friendly if SpamTitan were centralized. That is, TitanHQ should have a SaaS model for SpamTitan."
"The solution is very slow, it crashes and we have difficulties getting emails."
"There are some minor technical aspects of the portals and management interface that could be improved, but there's nothing that prevents us from doing the job. BitDefender and similar products allow you to dive deeply into all the customers from a single console. Currently, I can only see our company on the console and not any of the customers. I have to log in somewhere else to see the customers, so that multi-tenancy is something I would like to see."
"Some of the menus on the dashboard could be easier to navigate. It takes a little while to find things."
"I would also like to see SpamTitan improve on its antivirus software. I believe they're using Bitdefender and ClamAV. A problem with them is that they sometimes miss Trojans and malicious sites. We have internal antivirus software as well, and when we receive emails we see that our local antivirus software has found Trojans in them."
"SpamTitan's logging features could be improved. The logs are hard to deal with because you need to download the log as a text file. Then you need to search through this text file to find what you need."
"SpamTitan doesn't quarantine when it blocks things based on the remote block list or greylisting. It just deletes the email. When I try to look at these blocked items, it tells me they're gone. RBL or greylisted items aren't saved, so you can check them. There may be a setting somewhere that I haven't seen."
"One of the areas that can be improved is the GUI. The product works well but finding things in the interface can sometimes be a bit difficult, just because it's so in-depth and covers a lot."
"Trend Micro's technical support has room for improvement. More efficient support should be provided, especially for standard support."
"To improve Trend Micro Deep Discovery Email Inspector, it should have updates with better AI and ML-based integration."
"The dashboard could be improved to match the quality of Check Point Harmony's dashboard."
"The product's feature for message processing and blocking devices for bulk emails needs improvement."
"It could be more user-friendly, easier to install, and lighter on the network. I would say that for all products because you do not need technical expertise to take care of it. When you have a user-friendly solution, it makes it easier for the vendors or companies like us. We do not have to go to the client's site to attend to issues all the time. Because it is user-friendly, they can take care of it after some training."
"I would like to be able to send emails to a specific sandbox. This is a feature I would like to see added to the next release."
"Trend Micro Deep Discovery Email Inspector could improve by making it easier to use. Microsoft solutions are easier to use."
"The tool needs to incorporate faster response times for issue detection, more detailed reports, and better compatibility with older operating systems (e.g., Windows 7, 8, Server 2012)."
 

Pricing and Cost Advice

"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."
"Microsoft Defender for Office 365 is an add-on to the Office license. Many customers are purchasing this solution."
"It's a user-base subscription."
"I know that the product is incredibly expensive."
"Microsoft Defender is expensive. I typically recommend it only if clients have the budget. Otherwise, I would suggest an alternative."
"From the pricing point of view, like any other product in the market, there is scope for negotiation."
"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 pricing has become expensive."
"For the service, the pricing is reasonable."
"Pricing is on par with other products, and it's reasonable."
"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."
"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."
"It's priced very reasonably. There are no additional licensing costs that affect me."
"Compared to all of the others, including the solution we used previously, SpamTitan is cheaper."
"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 is very reasonable. I know the cloud version costs more because of active 24/7 monitoring, but we take care of that as our setup is on-prem. SpamTitan is in line with what we were paying for GFI MailEssentials but works much better."
"The price of Trend Micro Deep Discovery Email Inspector is less expensive than Microsoft solutions."
"The solution's pricing is high, and I would rate it an eight out of ten."
"We pay for an annual subscription for this email security solution."
"It's an expensive solution, and you may not see a return on investment in a short period of time. However, you will see a return over a long period of time."
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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
20%
Manufacturing Company
14%
Financial Services Firm
6%
Comms Service Provider
6%
Computer Software Company
14%
Financial Services Firm
13%
Performing Arts
9%
Media Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

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 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 ...
What is your experience regarding pricing and costs for Trend Micro Deep Discovery Email Inspector?
On the pricing side, Trend Micro Deep Discovery Email Inspector is not the cheapest, but it's not the highest either....
What needs improvement with Trend Micro Deep Discovery Email Inspector?
To improve Trend Micro Deep Discovery Email Inspector, it should have updates with better AI and ML-based integration...
 

Also Known As

MS Defender for Office 365
No data available
Deep Discovery Email Inspector
 

Overview

 

Sample Customers

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
Bank Saint Petersburg, CEITEC S.A., Dar Al-Handasah, Mitsubishi Electric Information Systems, Motilal Oswal Financial Services Ltd, OKWAVE, Oman Arab Bank, VakifBank
Find out what your peers are saying about TitanHQ SpamTitan vs. Trend Micro Deep Discovery Email Inspector and other solutions. Updated: June 2025.
858,469 professionals have used our research since 2012.