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HCL Notes vs KerioConnect comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on May 21, 2025

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

HCL Notes
Ranking in Email Applications
7th
Average Rating
7.8
Reviews Sentiment
5.5
Number of Reviews
20
Ranking in other categories
No ranking in other categories
KerioConnect
Ranking in Email Applications
9th
Average Rating
7.2
Reviews Sentiment
7.3
Number of Reviews
11
Ranking in other categories
Email Archiving (6th)
 

Mindshare comparison

As of January 2026, in the Email Applications category, the mindshare of HCL Notes is 3.5%, up from 3.1% compared to the previous year. The mindshare of KerioConnect is 4.1%, down from 4.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Applications Market Share Distribution
ProductMarket Share (%)
HCL Notes3.5%
KerioConnect4.1%
Other92.4%
Email Applications
 

Featured Reviews

AM
RPA Developer at Hexaware Technologies Limited
Challenges with efficiency and interface lead to transition while offering some useful organization features
Office 365 has advantages over HCL Notes, offering a better interface and better categorization of emails. We get different kinds of options, including mail suggestions and AI options that can help users. Meetings, calendars, everything is in one place, making it more efficient. Office 365 offers a better interface and categorization of emails, along with options such as mail suggestions and AI features. Meetings and calendars are all integrated in one place.
MM
Senior Systems Tech/Admin at Samco Software Inc.
A seamless setup ensures smooth communication with comprehensive support
We remain a partner with Sophos and use XG S Firewalls without AWS implementation. We only use Sophos endpoint and Sophos Central. We host some clients on-premise while others we host remotely. The VPN connection is easy and proprietary, so it's not open to any other VPN clients. Communication with other mail servers is seamless. It can communicate with Gmail and Outlook without issues, provided the DNS settings are correct. We monitor our servers and security logs, implementing GeoIP blocking. We frequently block China and India IPs due to brute force attacks on our servers. We have extensive experience with KerioConnect. Backing up and maintaining it is straightforward compared to Microsoft Exchange, making it administrator-friendly. On a scale of 1-10, this solution rates an 8.

Quotes from Members

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

Pros

"The software's secure communication is particularly useful when dealing with professional entities."
"Its security is absolutely stratospheric. In an application, you can lock down to field-level security. For example, I could log in and see a field in an HR database with salaries. When you log in, you see exactly the same database, but the field with the salary just isn't there. So, you can literally have field-level security on it, and you can also have secure encryption. For example, I could give you that database allowing you to see the salary, but a calculation that shows how much they get per month in another field is encrypted. So, you won't be able to see that because you don't have the encryption key. You can implement high-level security very simply."
"I prefer to work with HCL and not with Exchange because it's easy to manage, easy to set up, and easy to migrate."
"HCL Notes has fantastic built-in security. The email and personal communication components are excellent, but they are some applications provided by HCL that Notes previously provided when it was under IBM and Lotus. Everyone wants email, so that's just part of the product. However, more savvy users can build their own solutions for managing information, and that's the great thing about it."
"The security and performance of the solution are good even though our platform is variable, except for the mail services."
"Office 365 offers a better interface and categorization of emails, along with options such as mail suggestions and AI features."
"The solution provides great security."
"HCL Notes is stable most of the time."
"We have contacted technical support a handful of times and received some assistance."
"The solution is easy to maintain, unlike Exchange. It's easy to create multiple domains and back up and restore if needed. It also has good security features like anti-spam and antivirus."
"The user interface is good."
"KerioConnect has integration with 365. We can use Outlook, which has its client and can be used with Apple devices. It integrates with the App Store and Microsoft Office. It has a smart router. The spam filtering and antivirus are good."
"Kerio Connect is secure, flexible, and easy to control from the user interface. It has many security features able to be controlled from one place, such as anti-spam. I have found it very convenient. Additionally, you can analyze log files and share folders which is helpful."
"The most valuable features are security and privacy because you installed it on your server, within your company premises, not in the cloud."
"We use the solution as a mail server. It connects with Outlook and is used for calendaring and similar tasks."
"It's relatively simple to use."
 

Cons

"One minor issue was that using Notes to connect to clients not running on Domino, such as Gmail or Outlook, is not particularly great."
"I would like to see integration with other solutions."
"It is a heavy program and uses more resources than an email client should."
"The solution could improve by adding some more features."
"The interface could be more user-friendly. Some additional trainings could be added as well."
"I would like to HCL update Notes' development tool and make it more attractive like Microsoft Visual Studio and similar products. For example, there's a programming language that I used for my product Woodpecker called LotusScript. LotusScript has been available since around 1995. When LotusScript was released, it was like the original Visual Basic, but it has improved since then."
"The performance was terrible because we have a very large database with around three million records, including attachments and scanned comments. It was slow, and integrating new technologies or designs was also slow."
"We had trouble connecting this solution to the database from Microsoft. We have done it, although it can be easier."
"The search and archiving documentation capabilities need to be stronger."
"Having a native Outlook map integration would make Kerio Connect better."
"We are considering switching to Microsoft Exchange. One reason is that it doesn't improve our workflow and doesn't integrate well with Microsoft 365 applications."
"KerioConnect continues to improve with regular updates throughout the year. They must be added to the roadmap, which requires approval."
"The solution could improve the redundancy because we only have one copy of the Kerio Connect server on our hardware. The next step for us is to move to the cloud and if Kerio does not have a cloud version available they should release one"
"I would like to see better support from their support team."
"You cannot integrate with other services like Google Docs, Google Assistant, Google Calendar, etc."
"Most of our clients use Outlook and Kerio Connect. Occasionally, Kerio can be a bit slow. They could make it faster to get onto the web interface without so much load time. It's just slow with Outlook, however, for some reason."
 

Pricing and Cost Advice

"I don't remember how much we paid when we first bought the Domino license, but now, we pay only for the passport. For 30 client licenses, we pay about $1,500 per year, and we don't consider it very expensive for the quality of the product. In our case, we need 30 client licenses. So, we buy 30 client licenses independently of the server. It is very easy for us to choose and maintain this kind of license and get the passport advantage."
"We pay annually for the use of the solution."
"It is far cheaper to license. It is a third of the cost of our Microsoft license for 10 times the amount of usage. Developing applications cost a fraction of anything else. There are two reasons for that. First of all, applications are very fast to build. All the security is already built into the platform, so you don't have to worry about security at all. The other thing is that because fewer people use it than, for example, Microsoft SharePoint, the salary commanded by programmers is slightly lower. So, it is not only faster; you also get cheaper programmers. So, you really win-win-win on it."
"The price is reasonable."
"It was reasonably priced, but the product itself was not worth the cost."
"We pay licensing fees on a yearly basis."
"The solution is expensive. There are many components or features which make the price very high."
"The pricing is about $3 per mailbox per month."
"The price of Kerio Connect is better when comparing it to others solutions."
"The solution's pricing depends on how long you plan to keep it because you pay on a per-year basis. You might have a one-time setup cost for something like Microsoft Exchange or a Linux mail server. I'd say this solution is expensive on a per-year basis, almost 2000-3000 dollars annually. It doesn't seem to pay off yet, so we're considering switching to another product."
"KerioConnect has a first-time cost and yearly subscription. It is not expensive."
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Top Industries

By visitors reading reviews
Government
16%
Manufacturing Company
12%
Computer Software Company
8%
Financial Services Firm
7%
Comms Service Provider
13%
Computer Software Company
11%
Manufacturing Company
9%
Performing Arts
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business11
Midsize Enterprise1
Large Enterprise9
By reviewers
Company SizeCount
Small Business10
Midsize Enterprise2
 

Questions from the Community

What needs improvement with HCL Notes?
We don't use team workspace with HCL Notes; we use only Microsoft because it's incorporated with the Microsoft license. Based on my extensive experience with HCL Notes, I think HCL can make its pro...
What is your primary use case for HCL Notes?
We use HCL Notes as an email system. We currently only use it as an email application, though in the past we used it for additional applications.
What advice do you have for others considering HCL Notes?
Regarding HCL Notes supporting various business processes such as CRM, I don't use it, but if I have an issue, I contact the support and we are satisfied with that. I would rate HCL Notes 10 out of...
What do you like most about KerioConnect?
The most valuable features are security and privacy because you installed it on your server, within your company premises, not in the cloud.
What is your experience regarding pricing and costs for KerioConnect?
The pricing is very easy to understand. As a partner, we have a monitoring system that informs us when subscriptions expire, allowing us to handle renewals. The pricing is very competitive.
What needs improvement with KerioConnect?
Since KerioConnect is a setup and go solution, everything works on its own. The only administrative tasks required are keeping it up to date, monitoring security logs, and ensuring protection from ...
 

Comparisons

 

Also Known As

IBM Lotus Notes, Lotus Notes
No data available
 

Overview

 

Sample Customers

Connect2Cloud, Hansgrohe, Sauk County, Blue Water Shipping, FDBR, ibml, Multivac, Aarhus University Hospital, Hendricks Regional Health, Asian Paints, Integra Legal, Sunplus Technology, S¾SS, The Moroccan Ministry of Youth and Sports, Nicrometal, Doncasters Group, Practice Plan, Barr, RACV, Neotechnik, Deutsche Notes User Group
Southern Tier Brewing Company, Innotta, Baustoff + Metall, Hamifleurs, Chanson TV, Ryman Stationery
Find out what your peers are saying about HCL Notes vs. KerioConnect and other solutions. Updated: December 2025.
881,082 professionals have used our research since 2012.