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Perception Point Advanced Email Security vs Quad9 comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jan 1, 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

Perception Point Advanced E...
Ranking in Internet Security
12th
Average Rating
9.0
Reviews Sentiment
7.2
Number of Reviews
25
Ranking in other categories
Email Security (18th)
Quad9
Ranking in Internet Security
9th
Average Rating
6.0
Reviews Sentiment
7.9
Number of Reviews
2
Ranking in other categories
Managed DNS (5th)
 

Mindshare comparison

As of January 2026, in the Internet Security category, the mindshare of Perception Point Advanced Email Security is 1.3%, up from 0.6% compared to the previous year. The mindshare of Quad9 is 5.4%, up from 5.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Internet Security Market Share Distribution
ProductMarket Share (%)
Quad95.4%
Perception Point Advanced Email Security1.3%
Other93.3%
Internet Security
 

Featured Reviews

GC
IT at a retailer with 11-50 employees
Provides strong email protection and accurate threat detection with effective multi-layer defense mechanisms
They run us through about seven layers of protection, and the reporting is excellent. I found it to be very effective. It has a very high level of protection with Perception Point Advanced Email Security. They continually modernize their surveillance. They use a lot of AI. They run it through several layers of detection, deep packet inspection, which takes a lot of horsepower. I just think it is a good system. Perception Point Advanced Email Security has helped address specific email threats within my organization. I get weekly reporting, and by doing that, I can go and talk to these people directly and make them aware of how many attacks they had and where the attacks are coming from and not only the source of the email, but what category of emails that they are receiving. With the combination of KnowBe4 PhishER, I think it is a good security process that we have in place.
Louis Geoffroy - PeerSpot reviewer
President at IDEBUG
It's easy to use and set up, but I've faced performance problems
I have experience with Quad9 and most other filtering solutions. Quad9 was working well initially, but it started slowing, so I switched to OpenDNS. I recently checked Tom's Hardware, an IT review site, and read a review of seven DNS filters. Open DNS was ranked the fastest, and Quad9 was second. Google was on there too, but they said it didn't filter enough.

Quotes from Members

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

Pros

"We can use it to perform detection and analysis of emails. For any malicious content found in emails, it gives in-depth analysis reports to end users. If you log into the console, you can see in-depth detection and how it happens."
"The most valuable feature is the ability to identify malicious content and phishing emails and reduce the workload we have to do in terms of security."
"The solution’s effectiveness when it comes to detection is very good. It has a very good mechanism. It scans our emails. It identifies any threat or phishing attempts and phishing campaigns as well as any bad reputation, servers, or links, then it blocks them. This is what I find to be very good about this system."
"It really works well on SharePoint when you upload a file or save a file. Advanced Email Security scans if it is malicious and identifies issues. It can do some forensics on its console, which is nice."
"Their security engines are very effective at stopping malware and potential attacks before they reach a user's mailbox. They have the best detection engine."
"The most valuable feature I have found is the speed of scanning emails."
"Perception Point Advanced Email Security has helped address specific email threats within my organization."
"The solution is used to block malicious items hidden inside a document or PDF file."
"Setting up Quad9 is straightforward if you know what you're doing, and it's easy to use overall."
"The most valuable feature of Quad9 is that it is a free solution."
 

Cons

"There is room for improvement in terms of adding the DLP (Data Loss Prevention) solution, which would be a good option for Perception Point to look into."
"I think the interface could be improved in the next release."
"They can do better on the spam. Today, Perception Point is not our only solution. We have two solutions, and they are the second in line because the spam filtering is not yet the best."
"Perception Point Advanced Email Security should make available more use cases."
"From a forensics point of view, it could improve a bit more from a threat intelligence aspect. So, if I find a malicious email, they could have more investigations about sources, headers, where it comes from, if they have seen it in other campaigns before, etc. I would like a little bit more from a threat intelligence point of view so I can understand who else might be affected and attacked as well as the vectors of attack."
"It would be helpful for Perception Point Advanced Email Security to have more integration with other solutions."
"Our users would like the solution to scan outgoing emails. So, if my system is compromised, and I have malicious content in my system, then there is a possibility that I am sending a colleague that malicious content."
"The only thing that can be improved in Perception Point is the in-depth analysis and attribution to cyberattack groups."
"Quad9 could improve by having more free features, such as custom DNS filtering."
"It used to work fine for all the devices, but it started to slow and become non-responsive. I would have to reload the page two or three times before all the pages loaded. With OpenDNS, I only need to load the page once."
 

Pricing and Cost Advice

"The pricing is not cheap, but I can see the value. In security, if you are trying to save by giving up quality, that's a very bad decision."
"The pricing compared to the value Perception Point brings is super-competitive. They're not the cheapest in the market, but the value and the quality of the product are superior to anything else in the market, so we don't mind paying more for it."
"There is room for improvement for them with an MSP partner. The pricing is good and fair. Our customers don't complain. The only thing is that it's a little bit old school. They don't have a system that automatically checks the number of users that our customers have so we can just update the licenses ourselves through a website. It is still done manually. They have a person who checks invoicing monthly to determine if there have been any changes. A nice improvement would be if they could get automated licensing counts."
"The pricing was fair in comparison with the other solutions. We have received good value for what we paid."
"It fits every budget. It has a low price. I can't go ahead and sell it for any price I want. They are quite strict. They say, "This is the price that you can sell it for and this is the price for you as a reseller." That is it. It is not a lot of money. I will not become rich from it, but I like that they keep a standard for everyone. They are a fair company."
"We were able to get reasonable pricing that matches the ROI we want, so I think that it is the correct price point."
"We would always like it to be cheaper and save more money. However, we are getting the value from it."
"In Brazil, the dollar price affects the cost. Perception Point Advanced Email Security is about 50 percent less expensive."
"The price of Quad9 is free."
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Top Industries

By visitors reading reviews
Computer Software Company
13%
Manufacturing Company
7%
Comms Service Provider
6%
Financial Services Firm
6%
Comms Service Provider
24%
Computer Software Company
9%
Hospitality Company
8%
Financial Services Firm
5%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business13
Midsize Enterprise4
Large Enterprise6
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for Perception Point Advanced Email Security?
In Brazil, the dollar price affects the cost. Perception Point Advanced Email Security is about 50 percent less expensive.
What needs improvement with Perception Point Advanced Email Security?
Perception Point Advanced Email Security can be improved by increasing the speed of analysis and delivery. In some cases, we have trouble with multi-factor authentication emails, which take more th...
What is your primary use case for Perception Point Advanced Email Security?
My main use case for Perception Point Advanced Email Security is proactive defense against advanced threats, particularly phishing, zero-day attacks, and malware that a standard filter might miss. ...
Which would you choose - Cloudflare DNS or Quad9?
Cloudflare DNS is a very fast, very reliable public DNS resolver. It is an enterprise-grade authoritative DNS service that offers great redundancy and advanced security with built-in unmetered and ...
 

Overview

 

Sample Customers

Information Not Available
CISCO, Netlab, proofpoint
Find out what your peers are saying about Perception Point Advanced Email Security vs. Quad9 and other solutions. Updated: January 2026.
881,082 professionals have used our research since 2012.