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Mimecast Advanced Email Security vs Sangfor Internet Access Gateway (IAG) 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

iboss
Sponsored
Ranking in Secure Web Gateways (SWG)
6th
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
22
Ranking in other categories
Internet Security (3rd), Web Content Filtering (1st), Cloud Access Security Brokers (CASB) (6th), ZTNA as a Service (7th), Secure Access Service Edge (SASE) (7th)
Mimecast Advanced Email Sec...
Ranking in Secure Web Gateways (SWG)
10th
Average Rating
8.0
Reviews Sentiment
5.9
Number of Reviews
44
Ranking in other categories
Email Archiving (2nd), Office 365 Protection (2nd), Secure Email Gateway (SEG) (3rd)
Sangfor Internet Access Gat...
Ranking in Secure Web Gateways (SWG)
33rd
Average Rating
8.0
Reviews Sentiment
7.3
Number of Reviews
3
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of July 2026, in the Secure Web Gateways (SWG) category, the mindshare of iboss is 3.5%, up from 2.0% compared to the previous year. The mindshare of Mimecast Advanced Email Security is 0.7%, up from 0.4% compared to the previous year. The mindshare of Sangfor Internet Access Gateway (IAG) is 0.8%, down from 0.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Secure Web Gateways (SWG) Mindshare Distribution
ProductMindshare (%)
iboss3.5%
Mimecast Advanced Email Security0.7%
Sangfor Internet Access Gateway (IAG)0.8%
Other95.0%
Secure Web Gateways (SWG)
 

Featured Reviews

Ashok Ananthula - PeerSpot reviewer
Senior Consultant Proxy Engineering at a financial services firm with 10,001+ employees
Cloud gateway has strengthened remote web security and now needs better Mac and ISP support
The problem our organization had is that iboss failed for the Mac devices. It is not able to give a successful agent for the Mac agents. That is where in 2025, we had to migrate to the Palo Alto-based platform. If your use case is for just Windows laptops,you can consider this platform as an option One issue is the data center resiliency part. In India especially, they are not tied up with the Tier 1 ISPs like Tata or Airtel; they were having Tier 2 ISPs and encountered many issues reaching few major sites that my organization depends on, and they were having problems that they could not fix quickly. They also lack a mechanism to route that traffic within their data center; rather, they ask customers to make a pac file change to route it to Singapore explicitly. It would be better if they route from their backend , i mean even if I send it to India DC, they should be able to route it internally to make that work; however, they fail to do that and ask the customer to route it in the pac file. Another suggestion is that in China, they do not have the proper setup; they used to have numerous problems with slowness and lack of premium circuits in China as well. That leads to multiple sites working slowly with latency-related issues. So the main issue is the ISP-related problems that need to be solved.
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.
Muhammad Asif Shaikh - PeerSpot reviewer
Deputy GM - IT at a manufacturing company with 1,001-5,000 employees
Designed to provide comprehensive and secure internet access with high visibility into users
After my purchase, I noticed a need for improvements, particularly in the area of identifying the source user of the device, which can sometimes roll back to the base. Additionally, there were challenges with SSL gate traffic, which wasn't functioning as effectively as expected. Even though there have been fixes to these issues, they should be inherent to the product and need further attention. These aspects, especially sub-features, aren't very robust and seem complex. Regarding integration, while Sangfor Internet Access Gateway (IAG) integrates well with its own products, its compatibility with third-party tools like QB is limited. There's room for improvement in making protocols compatible with various third-party products.

Quotes from Members

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

Pros

"The security aspect of the solution, particularly the malware behind it, is excellent."
"The iboss system is highly reliable. The false positive rates are small compared to some other systems we've experienced through other partner agencies who use competing solutions."
"I would say iboss is a very good product; its scalability is very good, and it's seamless for the user."
"Content filtering is the most useful feature of iboss."
"Our primary use case for this product is DLP,"
"The solution has massively improved our security posture, giving us full visibility into what our staff does online."
"From a corporate perspective, I understand that it's important to keep the company data safe."
"This product is solid, fairly easy to use, and reliable."
"Its administration console is very easy to use. The administration console is absolutely important because you interact with the platform through it."
"Mimecast Advanced Email Security is a good product and is very stable."
"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."
"It's good, it keeps the spam out."
"It is our spam filter, phishing filter, and executive impersonation filter."
"The solution offers good technical support."
"What I like about the integration is that it is directly into Microsoft 365, users can use their Microsoft 365 credentials to log into the portal and access their mail."
"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."
"Stability-wise, I rate the solution a ten out of ten."
"The solution is interoperable and has centralized management."
"The most significant aspect is the control it offers over internet traffic, like managing computer access to specific sites such as Facebook. I find particular value in its ability to control the depth of internal traffic, enabling actions like blocking specific file extensions on social media or specific IPs. This control by categories is a standout feature for us in Sangfor Internet Access Gateway (IAG)."
 

Cons

"Sometimes the agent stops working in iboss, and we have to reinstall the agent."
"I am currently doing a PoC of the zero trust aspect of it. Compared to other similar solutions, it is hard to get around each feature. It takes a while to get used to it."
"Regarding pricing, setup costs, and licensing, iboss is not cheap, and that's my only concern."
"I'd like to see them accelerate development on the security side, particularly around data loss prevention."
"SSL decryption: We had issues with learners using apps instead of using web browsers. This type of encryption is tough for any appliance in a BYOD environment."
"File integrity monitoring would be very advantageous as an additional feature."
"The dashboards for local use could be better."
"The endpoint-type solution is an area that needs some improvement."
"The differentiation between bulk spam mail and campaign-related mail could be improved."
"It was not a good experience due to the fact that our main infrastructure had a problem for that entire time."
"I did have a problem with Mimecast. That is why I was looking for an alternative solution because their sender IP address gets poorly rated by Microsoft."
"I don't think it's ideally suited for maybe a smaller business environment, like, for example, for companies with less than 100 seats."
"We have subscribed to an archival service, and yet, when we have to get our data out, we have to pay a fee to get our own data. They charge an extraction fee."
"The reaction time between a new threat being identified and Mimecast picking it up needs to be narrowed a bit."
"I'd like to have better support from the product in the future."
"While it's quick and easy, the initial setup could be more user-friendly."
"The solution's logging system should be improved because its logs are not precise and are a little confusing."
"In Sangfor Internet Access Gateway (IAG), its speed is an area of concern where improvements are required."
"After my purchase, I noticed a need for improvements, particularly in the area of identifying the source user of the device, which can sometimes roll back to the base. Additionally, there were challenges with SSL gate traffic, which wasn't functioning as effectively as expected. Even though there have been fixes to these issues, they should be inherent to the product and need further attention. These aspects, especially sub-features, aren't very robust and seem complex. Regarding integration, while Sangfor Internet Access Gateway (IAG) integrates well with their own products, its compatibility with third-party tools like QB is limited. There's room for improvement in making protocols compatible with various third-party products."
 

Pricing and Cost Advice

"It is expensive compared to one of its competitors."
"We had the cost of purchasing a new appliance along with the implementation and licensing costs. However, the following year, the cost of just licensing was similar to what was paid the previous year for a new appliance along with the implementation and licensing costs."
"We have not priced the solution recently, but they were competitive with other vendors in the past."
"It is not expensive, and it is also not cheap. iboss is priced right in the sweet spot for the number of features it offers."
"The overall pricing for iboss is very competitive and transparent."
"It is probably in line with other solutions, but I do not deal with the financial side."
"The customers can select the license packages as per their requirements."
"Compared to the other solutions in the market, Mimecast Email Security with Targeted Threat Protection's pricing is fine."
"The product has good pricing in terms of return on investment."
"The licensing costs are per-user for the product that you get with them."
"I'm always going to say the price needs to be lower, but it's reasonable."
"For what it is, the product is overpriced."
"The product price is moderate. I rate the pricing a five out of ten."
"It is a bit expensive."
"The solution’s pricing is cheaper than any other solution."
"It is one of the reason for choosing it over other available products. However, recently, this year, there have been recurring concerns. I believe we might consider migrating to another solution."
"I rate the product pricing a five or six out of ten on a scale of one to ten."
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Top Industries

By visitors reading reviews
Financial Services Firm
11%
Manufacturing Company
9%
Computer Software Company
8%
Construction Company
7%
Computer Software Company
11%
Financial Services Firm
9%
Construction Company
8%
Manufacturing Company
6%
Construction Company
18%
Manufacturing Company
9%
Comms Service Provider
8%
Financial Services Firm
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business7
Midsize Enterprise7
Large Enterprise9
By reviewers
Company SizeCount
Small Business19
Midsize Enterprise12
Large Enterprise18
No data available
 

Questions from the Community

What needs improvement with iboss?
The problem our organization had is that iboss failed for the Mac devices. It is not able to give a successful agent ...
What is your primary use case for iboss?
We used iBoss mainly for Internet Access by having an Agent on Windows laptops Primarily because when we try to use i...
What is your experience regarding pricing and costs for iboss?
I am not involved in pricing, but as per the information I have, during that time, the Blue Coat proxies we were usin...
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 w...
Ask a question
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Also Known As

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

Overview

 

Sample Customers

More than 4,000 global enterprises trust the iboss Cloud Platform to support their modern workforces, including a large number of Fortune 50 companies.
Azizi Developments, Affinity Credit Union, Aftercare, Al Abbar Group
Information Not Available
Find out what your peers are saying about Mimecast Advanced Email Security vs. Sangfor Internet Access Gateway (IAG) and other solutions. Updated: June 2026.
902,988 professionals have used our research since 2012.