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Kaspersky Security for Internet Gateway vs Mimecast Advanced Email Security comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Jun 2, 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

Kaspersky Security for Inte...
Ranking in Email Security
30th
Ranking in Secure Email Gateway (SEG)
11th
Average Rating
8.6
Reviews Sentiment
6.4
Number of Reviews
9
Ranking in other categories
Advanced Threat Protection (ATP) (31st), Anti-Malware Tools (37th)
Mimecast Advanced Email Sec...
Ranking in Email Security
5th
Ranking in Secure Email Gateway (SEG)
3rd
Average Rating
8.0
Reviews Sentiment
5.9
Number of Reviews
48
Ranking in other categories
Email Archiving (2nd), Office 365 Protection (2nd)
 

Mindshare comparison

As of September 2026, in the Secure Email Gateway (SEG) category, the mindshare of Kaspersky Security for Internet Gateway is 0.9%, up from 0.0% compared to the previous year. The mindshare of Mimecast Advanced Email Security is 14.1%, up from 12.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Secure Email Gateway (SEG) Mindshare Distribution
ProductMindshare (%)
Mimecast Advanced Email Security14.1%
Kaspersky Security for Internet Gateway0.9%
Other85.0%
Secure Email Gateway (SEG)
 

Featured Reviews

reviewer2736225 - PeerSpot reviewer
Program Manager at a outsourcing company with 51-200 employees
Effective threat protection with room for cost and usability improvements
There are some drawbacks that I would mention. To be frank, enterprises always look for cost benefits, so Kaspersky could implement some price benefits. Additionally, regarding know-how, if I am an experienced person it's fine, but when someone novice is working with it, they need information about why certain actions are required. Security is a field that is very vast, and implications are not known to everyone. In future updates, a quick walk-through and know-how features would be beneficial, such as information text at relevant places. This will increase usability. Feature-wise, an impact analysis would be a really good addition.
Avinash Mishra - PeerSpot reviewer
Manager - EUC at Finthrive
Advanced email filtering has blocked massive spam volumes and prevents unauthorized data leaks
Improvements for Mimecast Advanced Email Security include enhancing the user interface and accessibility, particularly regarding admin capabilities to add or modify user accounts. Streamlining this could improve overall usability and security management for users. Reporting is another area needing improvement in Mimecast Advanced Email Security, as the reports provided are not very easy to decipher. With artificial intelligence being integrated into various tools including Mimecast Advanced Email Security, I believe there is potential to enhance functionality, enabling users to ask specific questions and retrieve concise answers instead of overwhelming data. I choose a nine for Mimecast Advanced Email Security because improvements such as better user interface and artificial intelligence integration features would greatly enhance its usability. While no tool is perfect, these adjustments could greatly elevate Mimecast Advanced Email Security's capabilities.

Quotes from Members

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

Pros

"I would recommend it to others as it's easy to use."
"Kaspersky Security for Internet Gateway has positively impacted our organization by helping us control unwanted attacks and limiting our exposure to risks."
"The most valuable aspect for me is the user-friendly interface."
"The most valuable features of this solution are its ease of use and operation efficiency."
"The password thing is very good, and the overall URL protection."
"The most valuable features of the solution are the antivirus and child protection features."
"When it comes to threat detection, it is very strict with file downloads and uploads. It sends reports and quarantines suspicious files."
"The most valuable feature of Kaspersky Security for Internet Gateway is the antivirus."
"Mimecast Advanced Email Security is a good product and is very stable."
"I have always found Mimecast to be very responsive; for example, if we see something come through, they address it and it helps to sort out the issues."
"Email security is the most valuable feature of the solution."
"The security is pretty good, and that's why we're going to upgrade to an even more advanced package. We used it when we had a power issue, and it works. It has been pretty reliable, and the support has been quite good."
"The product is good. To date, we have not faced any challenges."
"Its administration console is very easy to use. The administration console is absolutely important because you interact with the platform through it."
"The product's most valuable features are impersonation protection and phishing countermeasures."
"Mimecast Advanced Email Security proves to be a useful tool, allowing me as security personnel to work in a more peaceful manner."
 

Cons

"The customer support of the product is an area with shortcomings where improvements are required."
"When I do a configuration, I do not know what implication it will have downstream."
"In different locations, they're priced differently, but that's mainly marketing rather than the product features."
"There is room for improvement in terms of the pricing."
"It might be helpful to have notifications on mobile devices, especially if the same browser profile is used on both mobile and laptop."
"I believe the absence of a procedure is the main issue."
"The initial setup of Kaspersky Security for Internet Gateway is complex. The full deployment took approximately two weeks."
"Certainly, the primary area needing improvement is Mimecast's customer support. Our experience as Mimecast customers has been less than satisfactory. Even when raising a priority ticket, the response time is unacceptably long, often taking around five to six hours. This level of service is disappointing. Additionally, there have been recurring service disruptions in the UK region, leading to extended email delays due to various service issues. This year alone, we've encountered such problems on approximately four occasions."
"It was not a good experience due to the fact that our main infrastructure had a problem for that entire time."
"The feature that should be included is to remove the block on the encrypted files."
"The system is not user-friendly because you have to create policies that are mapped in a dictionary."
"The solution should include more AI features instead of Mimecast's more general static configuration tooling."
"The solution is very expensive."
"From an administrative point of view, Mimecast is a little bit cumbersome and difficult. It's not something that the end-user can easily find navigate themselves."
"The solution is complex and not easy to use."
 

Pricing and Cost Advice

"I am okay with the pricing."
"The cost is relatively high, and as a licensed product, there are restrictions on the number of users permitted per license."
"I rate the product's price an eight on a scale of one to ten, where one is very cheap, and ten is very expensive."
"Personal computer licenses can be expensive if you were to scale the solution extensively. However, large companies will most likely use Endpoint solutions and not this one."
"I would rate the pricing a seven out of ten, with ten being very expensive and one being cheap. It's neither too cheap nor too expensive."
"It is expensive."
"The licensing costs are per-user for the product that you get with them."
"Compared to the other solutions in the market, Mimecast Email Security with Targeted Threat Protection's pricing is fine."
"The product price is moderate. I rate the pricing a five out of ten."
"On a scale of one to ten, where one is cheap, and ten is expensive, I rate the pricing a ten."
"The price of Mimecast Mailbox Continuity is expensive."
"I'm always going to say the price needs to be lower, but it's reasonable."
"It is a bit expensive."
"Its price is in the middle range. It is a structured licensing model where there are various components that you can add or choose to add or not."
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Top Industries

By visitors reading reviews
Outsourcing Company
16%
Construction Company
13%
Manufacturing Company
11%
Computer Software Company
10%
Outsourcing Company
10%
Computer Software Company
10%
Financial Services Firm
9%
Construction Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business6
Midsize Enterprise1
Large Enterprise2
By reviewers
Company SizeCount
Small Business20
Midsize Enterprise13
Large Enterprise23
 

Questions from the Community

What is your experience regarding pricing and costs for Kaspersky Security for Internet Gateway?
Regarding pricing, I'll be exactly on the brink, neither for it nor against it because being a small company, it's a slightly pricey solution. However, considering the advantages they bring, we are...
What is your primary use case for Kaspersky Security for Internet Gateway?
We work with a cloud solution. The product that we use is developed as a SaaS model. In this case, we work with AWS as our cloud provider. We use a public cloud. The tool is good, but they need to ...
What advice do you have for others considering Kaspersky Security for Internet Gateway?
That's a very generic feedback. I would not have much information about threat intelligence metrics through Kaspersky Security for Internet Gateway because I've not been monitoring it for quite som...
What needs improvement with Mimecast Email Security with Targeted Threat Protection?
There is room for improvement since new threats are emerging. Considering the availability of new features would be worthwhile. Mimecast Email Security is somewhat expensive compared to the competi...
 

Also Known As

No data available
Mimecast Email Security with Targeted Threat Protection, Mimecast Web Security, Mimecast Mailbox Continuity, Email and Collaboration Threat Protection
 

Overview

 

Sample Customers

Tael, Insolar, Goods.ru, Republic of Serbia
Hewlett-Packard Company (HP), Cushman and Wakefield, PIB Group, Swissport
Find out what your peers are saying about Kaspersky Security for Internet Gateway vs. Mimecast Advanced Email Security and other solutions. Updated: September 2026.
913,806 professionals have used our research since 2012.