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Kiteworks vs Proofpoint Email Protection comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Nov 5, 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

Kiteworks
Ranking in Email Security
27th
Ranking in Secure Email Gateway (SEG)
9th
Average Rating
8.6
Reviews Sentiment
6.9
Number of Reviews
13
Ranking in other categories
Enterprise Content Management (16th), Managed File Transfer (MFT) (7th), Content Collaboration Platforms (14th)
Proofpoint Email Protection
Ranking in Email Security
1st
Ranking in Secure Email Gateway (SEG)
1st
Average Rating
8.4
Reviews Sentiment
6.7
Number of Reviews
111
Ranking in other categories
Advanced Threat Protection (ATP) (2nd), Digital Risk Protection (3rd), Office 365 Protection (1st)
 

Mindshare comparison

As of October 2026, in the Secure Email Gateway (SEG) category, the mindshare of Kiteworks is 2.4%, up from 0.9% compared to the previous year. The mindshare of Proofpoint Email Protection is 17.7%, down from 20.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Secure Email Gateway (SEG) Mindshare Distribution
ProductMindshare (%)
Proofpoint Email Protection17.7%
Kiteworks2.4%
Other79.9%
Secure Email Gateway (SEG)
 

Featured Reviews

KT
Associate Consultant at a tech consulting company with 10,001+ employees
Streamlined global file sharing with user-friendly interface and self-service capabilities
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 notifications, they can understand any disruptions are due to issues with their network or bandwidth rather than the site or Kiteworks. Additionally, I work from offshore India, and I told my client manager to communicate with the Kiteworks forum salesman regarding one feature. 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.
Siva_Prasad - PeerSpot reviewer
Senior Consultant at a tech vendor with 10,001+ employees
Email defenses have reduced phishing incidents and protect sensitive data across our enterprise
As things are evolving and threats develop in unpredictable ways, Proofpoint must adopt AI solutions and agentic solutions more aggressively and provide them to customers as part of service offerings. Inbuilt AI solutions would add more value and make Proofpoint a more premium choice for customers. With the help of AI solutions, agentic AI, and generative AI capabilities, the product would be more efficient than it currently is. Filtering false positives is highly challenging because it is impossible for humans to identify which emails are genuine and which are spam. Proofpoint should focus more on this area with back-end agents or other tools. Proofpoint should decide which emails are genuine and which are spam so it is not a challenge for end users. When receiving an email, end users should not have to determine whether to respond or not. Proofpoint should not release such spam emails and should strictly block such spam and spoof emails based on connection IPs. Currently, false positives occur in the product, and while this occurs in every product, it is an area where Proofpoint can focus on improving and reducing false positives. One email is enough for an end user to be deceived and lose money, so addressing this area is critical.

Quotes from Members

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

Pros

"The top two features are the two-factor authentication, which is pretty good. It's easily understood by the users. And their API is rather robust. We have numerous integrations that work off the API."
"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."
"I like Kiteworks or Accellion because it's continuously upgraded. I also know that it probably works with a lot of clients."
"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."
"As a file-sharing application, it's an absolute 10 out of 10."
"I can identify from which region our users are uploading or downloading files."
"The most useful feature of this solution is to share files with external parties and we can use this functionality to share files internally too."
"The benefits that Kiteworks has provided to its customers in terms of data sovereignty."
"It's detection of true positives are great, as it's cloud based it's very scalable and stable."
"Proofpoint Email Protection has positively impacted my organization by blocking significantly more phishing emails, and phishing is the main entry point into getting compromised, so I have more peace of mind knowing that more malicious emails are getting blocked."
"Overall, using Proofpoint Email Protection has positively impacted our security posture, and we are using multiple products in Proofpoint, including DLP and email protection, and the real-time experience has us very satisfied."
"Proofpoint Email Protection has positively impacted my organization by reducing the number of cyber email attacks we are receiving compared to the past."
"There is no downtime."
"Out of these three, no other email gateway can be compared with Proofpoint Email Protection."
"Proofpoint Email Protection has improved operational efficiency, simplifying our internal processes and consolidating what used to be four or five different portals into a single, seamless login experience."
"On a day-to-day basis, Proofpoint Email Protection has saved me about 50% of my workload, which has been a real godsend."
 

Cons

"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."
"File location could be improved."
"We have experienced some issues with stability due to bugs."
"Perhaps there could be a notification to users about their bandwidth or network packet loss."
"In my experience, their technical support can be a little slow."
"There is one particular thing that is a nuisance."
"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."
"The system is extremely stable, but because it is a "COTS" system access is restricted and you must use the solution's support to make even simple changes, which increases the downtime."
"Some of the old portal features of Proofpoint Email Protection are missing in the new portal, so some of the settings could be modernized."
"The solution can be expensive."
"As a manager with multiple customers using Proofpoint Email Protection, having the ability to manage the admin console more efficiently would be beneficial."
"I rate the technical support at a 3 out of 10, with 10 being the best."
"Proofpoint Email Protection does miss a lot of phishing attacks, and threat actors are using AI to create these phishing attacks."
"Proofpoint Email Protection has a limitation regarding third-party tool integration and SIEM integration."
"While Proofpoint is better, I find Abnormal to be much more effective because it uses an advanced AI engine to detect email spams and phishing."
"Proofpoint has a lot of false alarms. Even their mail flow rules are not the best thing."
 

Pricing and Cost Advice

"The price of Kiteworks is reasonable."
"The license management is changing and confusing. If I could make one change to it, it would be better license management through the API."
"It is not really expensive. I mean, to me it's obviously expensive, but it's worth it."
"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."
"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."
"The solution is very expensive because we are buying with Malaysian Ringgit and it's sold in US dollars."
"In general, the pricing is competitive."
"The licensing is basically $8/user."
"Annually, it costs us about $92,000. This is pretty much what it costs us. There is no additional cost."
"It is expensive."
"Proofpoint Email Protection is a reasonably priced product, which means that it is neither too low nor too high in terms of price."
"They are competitively priced, but I have been forced to get quotes for other solutions now because they haven't been responding to requests to do the work that we would like them to do."
"It is on a yearly basis. Their floor for SMB doesn't matter. The user count is 100 users and below at $2,500 a year. Its cost is higher than other solutions. It is probably about 20% to 30% higher than what you would get with Microsoft. There are no additional costs. All costs are factored in. It can be improved pricing-wise so that it is affordable for the SMB market."
"Pricing has recently been increased and the cost is a downside"
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Top Industries

By visitors reading reviews
Financial Services Firm
12%
Comms Service Provider
10%
Government
10%
Manufacturing Company
8%
Financial Services Firm
13%
Outsourcing Company
10%
Manufacturing Company
10%
Comms Service Provider
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business3
Large Enterprise11
By reviewers
Company SizeCount
Small Business31
Midsize Enterprise24
Large Enterprise62
 

Questions from the Community

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...
What needs improvement with Proofpoint Email Protection?
To improve Proofpoint Email Protection, I suggest breaking down the URL into one versus three different GUIs. Regarding Proofpoint Email Protection's AI capabilities, I think its governance and sec...
What is your primary use case for Proofpoint Email Protection?
My main use case for Proofpoint Email Protection includes phishing emails, spam, URL isolation, and training. I utilize the email protect portal to ensure that none of our employees in any of the b...
 

Also Known As

Accellion
Proofpoint Enterprise Protection, Proofpoint Digital Protection
 

Overview

 

Sample Customers

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
Blocket, University of Waterloo, Lincoln Memorial University, WellSpan Health, U-Haul, Carestream Health, Westinghouse
Find out what your peers are saying about Kiteworks vs. Proofpoint Email Protection and other solutions. Updated: September 2026.
917,403 professionals have used our research since 2012.