Fortinet FortiMail Cloud vs Kiteworks comparison

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Fortinet FortiMail Cloud

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Executive SummaryUpdated on Nov 5, 2024

Kiteworks and Fortinet FortiMail Cloud compete in secure communications and data protection. Kiteworks seems to have the upper hand with its comprehensive content management and secure file transfer features, whereas Fortinet FortiMail Cloud stands out with its complete email security features.

Features: Kiteworks provides secure file transfer up to 100 GB, content tracking through administrative logs, and a centralized platform for managing communication. Fortinet FortiMail Cloud offers antispam and antivirus filtering, advanced threat protection with sandboxing, and email encryption for enhanced security.

Room for Improvement: Kiteworks could enhance its mobile access functionalities and improve its user interface for easier navigation. The solution could also expand its API integration capabilities. Fortinet FortiMail Cloud may benefit from regular updates to deal with emerging security threats, improve phishing detection accuracy, and refine its threat intelligence mechanisms.

Ease of Deployment and Customer Service: Kiteworks offers straightforward deployment with strong support for smooth workflow integration. Fortinet FortiMail Cloud supports flexible deployment in both on-premises and cloud environments, providing varied service levels. Each excels in its focus area, with Kiteworks supporting content collaboration and Fortinet integrating email security.

Pricing and ROI: Kiteworks' initial setup costs are higher, reflecting its feature-rich offering with a focus on compliance and data security, delivering high customer satisfaction in these areas. Fortinet FortiMail Cloud offers competitive pricing and strong ROI, particularly for businesses prioritizing robust email threat protection.

To learn more, read our detailed Fortinet FortiMail Cloud vs. Kiteworks Report (Updated: September 2025).

Fortinet FortiMail Cloud vs. Kiteworks

September 2025

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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

Fortinet FortiMail Cloud

Ranking in Secure Email Gateway (SEG)

6th

Average Rating

8.0

Reviews Sentiment

6.7

Number of Reviews

Ranking in other categories

Cloud Email (4th)

Kiteworks

Ranking in Secure Email Gateway (SEG)

11th

Average Rating

8.6

Reviews Sentiment

6.9

Number of Reviews

Ranking in other categories

Enterprise Content Management (16th), Email Security (32nd), Managed File Transfer (MFT) (5th), Content Collaboration Platforms (14th)

Mindshare comparison

As of October 2025, in the Secure Email Gateway (SEG) category, the mindshare of Fortinet FortiMail Cloud is 4.5%, up from 2.5% compared to the previous year. The mindshare of Kiteworks is 0.9%, up from 0.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Secure Email Gateway (SEG) Market Share Distribution
Product	Market Share (%)
Fortinet FortiMail Cloud	4.5%
Kiteworks	0.9%
Other	94.6%

Secure Email Gateway (SEG)

Featured Reviews

Pravin Mandlik

Director at a tech services company with 11-50 employees

Provides enhanced email security with potential agent compatibility issues

There are definitely features that Fortinet should work on. I'm not the right person to implement those features. For a portable cloud solution, a customer has more affinity towards a solution where endpoint security is already in place. In endpoint security, they are not at the latest quadrant. That is why a customer with existing endpoint security solutions like Trend Micro might prefer a main security solution from that vendor. If we go for FortiMail Cloud and have a separate endpoint security solution, there are two agents that have to sit on a customer endpoint. From that perspective, Fortinet policies add an extra load to the endpoint. Maybe other solutions have an advantage when it comes to Fortinet.

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Sukkanta Banerjee

Senior Software Engineer at Wipro Limited

Two-factor authentication and .ZIP format make large file transfers very secure

The most valuable feature is the ability to send a large file of 30 GB in size and more. In Outlook and other email applications, you cannot send files that are larger than 20 MB. But with Kiteworks, 30 GB is transferable by default and, with the proper approval, a file of up to 100 GB can be sent. It makes file transfer very easy and smooth. Also, only the .ZIP format is supported because it is a very secure mode of file transfer, and that is why it is recommended. It also has built-in antivirus, so if it detects any malware it will quarantine the file and it won't be delivered. This is really important to keep the service up and running in a proper and secure manner. With people working from home, the data needs to be checked to see what kind of data is being sent. It has a two-factor authentication mechanism. For example, if a person with a particular domain is using Kiteworks and sends a file to a party outside of his domain, that external party has to go through two-factor authentication. The receiver gets a link that takes them to the setup of a temporary account, which will be valid for three days. The recipient will also receive a customized password separately. Only after all these steps will they be able to access the file. That access is only available to a person with the mail ID to which the file was sent. In addition, admins can see who is sending sensitive content, what that content is, and to whom it is being sent, and can track emails. One week of good training will give a user complete knowledge for using the solution. The system is very easy to use. You just click on "Compose," attach a file, and send it. It's very easy compared to Outlook or Teams. It's quite simple, even for someone logging in for the first time. It is very smooth and easy to send files.

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Quotes from Members

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

Pros

"The most valuable features are the low price and its ability to integrate with other Fortinet products."

"The most valuable feature of this solution is the ability to check to see if the email is real."

"The most valuable features are filtering and sandboxing."

"The most valuable features are email ATB and Malware Analysis."

"Overall, it is a comprehensive and reliable solution."

"The deployment is simple."

"The product's initial setup is straightforward and simple, making it an easy-to-use tool."

"I am impressed with the tool's ability to setup rules and destinations. It also helps to monitor suspicious items."

More Fortinet FortiMail Cloud pros

"We can see when people are sending things. We can definitely see who is sending to whom. From the administrative logs, we can see who is sending to an outside entity, and those logs are retained for quite a while."

"The benefits that Kiteworks has provided to its customers in terms of data sovereignty."

"I like Kiteworks or Accellion because it's continuously upgraded. I also know that it probably works with a lot of clients."

"The solution can be used remotely; it's easy to upload and share files."

"The most valuable feature is the ability to allow end-users to manage their own information and data with minimal administration. That's the best feature from my perspective."

"The most valuable feature is the ability to send a large file of 30 GB in size and more. In Outlook and other email applications, you cannot send files that are larger than 20 MB. But with Kiteworks, 30 GB is transferable by default and, with the proper approval, a file of up to 100 GB can be sent. It makes file transfer very easy and smooth."

"We could see whether the customer with whom we shared a file had downloaded it, which was not available with GitHub."

"I can identify from which region our users are uploading or downloading files."

More Kiteworks pros

Cons

"FortiMail needs to develop further, particularly in integrating AI features, to keep up with rapidly advancing technology."

"We can't import files into the Fortinet FortiMail Cloud sensors. That's a drawback, as they need to provide a feature to import files."

"They could look at strengthening anti-spam with the newly observed domains."

"The tool's UI can be simple since it's cluttered now and you can't understand where you are going. It's not obvious to find out the menus or things that you are looking to find."

"The customer service and technical support from Fortinet could improve. While they rate between seven and eight, reaching support can sometimes be challenging and time-consuming."

"This solution is slow and it should be made faster."

"In endpoint security, they are not at the latest quadrant. That is why a customer with existing endpoint security solutions like Trend Micro might prefer a main security solution from that vendor."

"Its GUI needs improvement."

More Fortinet FortiMail Cloud cons

"I noticed the Kiteworks login UI is very basic, lacking customization. Allowing more HTML tags to add hyperlinks or user-friendly information on the home page would be very useful."

"There are always issues when there are bugs or upgrades. The challenge with upgrading is getting more storage from the customer. Every time we have a new version, it requires additional storage. This means that the customer would need to procure more storage for their server, which they don't like because it means additional cost to them. So, I think my request would be that the version upgrades don't require any significant storage requirement."

"File location could be improved."

"Perhaps there could be a notification to users about their bandwidth or network packet loss."

"It could be more stable. In the next release, it would be better if it was more stable with improved performance."

"The one feature, which I have also requested directly to Kiteworks, is to have a scheduled upgrade function. Currently, one of my engineers logs in after hours for the upgrade. We're a hospital, and we're 24/7, but the primary users are seven to five. So, we log in the early evening just to push a button to tell it to do the update. It would be nice if that could be very easily scheduled."

"There is no offboarding process for end-users in Kiteworks. It's a manual process. There is no automated syncing with LDAP and checking to see if the account is still active. It's a manual process to get people out of here, which isn't the best way."

"In my experience, their technical support can be a little slow."

More Kiteworks cons

Pricing and Cost Advice

"I rate the price of Fortinet FortiMail Cloud a five on a one to ten scale, where one is the low price, and ten is the high price. It is an averagely priced product."

"You only have to purchase one license for multiple participants."

"It's on a subscribed basis."

"The product's price is reasonable."

"The pricing depends on various factors, including the type of licenses and subscriptions you have procured"

"The licensing is for three years. In the beginning, we did not pay monthly, it was paid once for three years."

"When we're talking about pricing, other products have about the same price. That is normal."

"The price of this solution could be more competitive."

More Fortinet FortiMail Cloud pricing and cost advice

"The license management is changing and confusing. If I could make one change to it, it would be better license management through the API."

"They changed it midstream. We were being charged a certain flat rate for SFTP traffic. For whatever reason, at the beginning of the year, our pricing changed, and we are now being charged more for using a feature of the product than we were when we first bought it. That has been our experience with billing. It turned out to be more expensive than when we started with it."

"It is not really expensive. I mean, to me it's obviously expensive, but it's worth it."

"The price of Kiteworks is reasonable."

"The solution is very expensive because we are buying with Malaysian Ringgit and it's sold in US dollars."

"I believe it's a little costly, but given the faith that we put into it from a security perspective to maintain the integrity of our patient information that is being transferred through this system, that's a small price to pay. So, on the surface, it might look like a lot of money, but depending on the need for security, which is where we feel it shines, it's okay price-wise."

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Top Industries

By visitors reading reviews

Computer Software Company

University

Financial Services Firm

Non Profit

Government

15%

Financial Services Firm

12%

Retailer

Insurance Company

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	16
Midsize Enterprise	8
Large Enterprise	2

By reviewers
Company Size	Count
Small Business	3
Large Enterprise	11

Questions from the Community

What do you like most about Fortinet FortiMail Cloud?

Content disarming and analysis are essential features in our email security setup

What is your experience regarding pricing and costs for Fortinet FortiMail Cloud?

The price of Fortinet FortiMail Cloud in Egypt is very competitive against other products, including the setup cost and licensing of this solution.

What needs improvement with Fortinet FortiMail Cloud?

The improvement in Fortinet FortiMail Cloud can be made regarding the classification process itself because it has some false positives.

What is Kiteworks?

Kiteworks is a secured file sharing platform that enables users to collaborate with different parties across a robust offering of secured protected channels. Users have the option of virtual privat...

What needs improvement with Kiteworks?

I'm not a network expert, however, there must be some room for improvement. Perhaps there could be a notification to users about their bandwidth or network packet loss. If users receive such notifi...

What advice do you have for others considering Kiteworks?

Scalability is impressive. It can be highly available, resilient, and scalable infrastructure. I can confidently give it a nine. It suits any level of organization, whether a small setup with two a...

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Product Reports

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Fortinet FortiMail Cloud

October 2025

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September 2025

Also Known As

No data available

Accellion

Overview

Fortinet FortiMail Cloud is a comprehensive email security solution that protects organizations from advanced threats and ensures secure email communication. It offers robust features such as anti-spam, anti-malware, and data loss prevention to safeguard against email-borne attacks. With its cloud-based deployment, FortiMail Cloud provides scalable and flexible email security without the need for additional hardware or software.

It offers real-time threat intelligence and advanced analytics to detect and block sophisticated threats, including zero-day attacks. FortiMail Cloud also includes encryption capabilities to secure sensitive data and comply with regulatory requirements. With its user-friendly interface and centralized management, organizations can easily configure and monitor email security policies across multiple domains.

FortiMail Cloud provides comprehensive protection against email threats, ensuring business continuity and peace of mind.

Fortinet

Kiteworks empowers organizations to effectively manage risk in every send, share, receive, and save of sensitive content over numerous communications channels: email, file sharing, managed file transfer, APIs, and web forms. The Kiteworks platform unifies, tracks, controls, and secures sensitive content moving within, into, and out of an organization, significantly improving risk management and ensuring regulatory compliance.

Sample Customers

Black Gold Regional Schools, Amadeus Hospitality, Jefferson County, Chunghwa Telecom, City of Boroondara, Dimension Data

United States Securities and Exchange Commission, National Health Service, Husch Blackwell LLP, NYC Health + Hospitals, Viatris, MITRE Corporation, Chubb, Kraft Heinz, KPMG, Kohler, National Institute of Standards and Technology, Purdue Pharma, AVL