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Avanan vs Mimecast Email Security comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jul 27, 2025

Review summaries and opinions

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

ROI

Sentiment score
8.4
Avanan improved email security, reduced phishing, increased user trust, enhanced mobile protection, and boosted ROI and revenue growth.
Sentiment score
6.0
Mimecast Email Security effectively prevents phishing, enhancing security and providing significant protection despite challenges in quantifying ROI.
There is definitely a return on investment when using Mimecast, as it blocks phishing emails, reducing the risk of significant financial losses.
 

Customer Service

Sentiment score
8.1
Avanan's customer service is highly responsive, professional, and proactive, with excellent communication and extensive support staff knowledge.
Sentiment score
6.0
Mimecast Email Security's customer service is mixed, with responsiveness praised by some, but issues with waiting times noted by others.
Support personnel are hesitant to engage in remote sessions, preferring to share documentation via email.
Mimecast technical support is generally quite good.
I would rate my experience with technical support of Mimecast Email Security between seven and eight out of ten for their support.
 

Scalability Issues

Sentiment score
8.2
Avanan integrates with Office 365 and Google, praised for scalability, admin capabilities, and efficient email protection across diverse organizations.
Sentiment score
7.2
Mimecast Email Security is a scalable SaaS solution, praised for flexibility and effectiveness across various organization sizes and industries.
If Mimecast Email Security introduces API solutions, it will dominate the market.
 

Stability Issues

Sentiment score
8.5
Avanan is highly praised for its stability, efficiency, security, minimal maintenance, seamless Microsoft 365 integration, and reliable AI-based scanning.
Sentiment score
7.5
Mimecast Email Security is generally stable and reliable, with rare bugs, occasional minor issues, and minimal downtime reported.
They confirm it's a good solution where only one or two rare emails get through, while the rest are properly blocked without any issues.
 

Room For Improvement

Users feel Avanan needs improvements in Active Directory dependency, email quarantining, AI logic, training, UI, performance, pricing, mobile app, and integrations.
Mimecast Email Security requires pricing, detection, user interface improvements, better support, and enhanced AI integration for smoother operations.
A lot of emails were missed despite being known samples.
Mimecast Email Security can be improved by adding some API integrations.
We discussed the phishing aspect, the DNS system, and the key rotation.
 

Setup Cost

Avanan provides flexible pricing for Office 365, with straightforward setup and costs between $4 to $8 per user.
Mimecast Email Security offers comprehensive features but is considered premium, with variable pricing flexibility and additional support costs.
The pricing is higher for Mimecast, particularly for the Indian market, where it is considered expensive.
 

Valuable Features

Avanan provides advanced malware and phishing detection, 24/7 cloud protection, easy integration with Microsoft 365, and ensures secure communications.
Mimecast Email Security offers strong threat protection, seamless Microsoft 365 integration, and user-friendly features for comprehensive email threat mitigation.
One of the most useful features is the threat remediation module, which can be used to remove malicious emails that may have been delivered or manually remove them.
A distinct advantage of Mimecast is its ability to block phishing and impostor attacks, which are significant threats currently.
Mimecast Email Security includes the best gateway solution across all Cisco, Trend Micro, and other solutions.
 

Categories and Ranking

Avanan
Average Rating
9.2
Reviews Sentiment
7.8
Number of Reviews
19
Ranking in other categories
Email Security (14th), Data Loss Prevention (DLP) (26th)
Mimecast Email Security
Average Rating
8.0
Reviews Sentiment
6.1
Number of Reviews
31
Ranking in other categories
Office 365 Protection (3rd), Secure Email Gateway (SEG) (4th)
 

Mindshare comparison

While both are Messaging and Collaboration solutions, they serve different purposes. Avanan is designed for Email Security and holds a mindshare of 3.4%, down 3.8% compared to last year.
Mimecast Email Security, on the other hand, focuses on Secure Email Gateway (SEG), holds 12.5% mindshare, down 15.0% since last year.
Email Security Market Share Distribution
ProductMarket Share (%)
Avanan3.4%
Microsoft Defender for Office 36511.4%
Proofpoint Email Protection8.2%
Other77.0%
Email Security
Secure Email Gateway (SEG) Market Share Distribution
ProductMarket Share (%)
Mimecast Email Security12.5%
Microsoft Defender for Office 36527.6%
Proofpoint Email Protection21.0%
Other38.9%
Secure Email Gateway (SEG)
 

Featured Reviews

Robert Melendez - PeerSpot reviewer
Enhances email security and has a very simple and easy-to-use UI
Spam protection is the most valuable feature. We have implemented the tool to enhance our email security. It helps prevent phishing attacks. The anomaly detection capabilities are baked into the security platform. The product integrates wonderfully with Microsoft 365. It's built right on a cloud platform and works almost natively. The solution has a very simple and easy-to-use UI. The tool appears extremely powerful and has a good solid feature set. It catches things that are bad for my environment. The user interface is good the way it is. If the solution continues down that path, I see no problems with the way it is going. It feels like a mature product.
Frank Rawson - PeerSpot reviewer
It gives clients peace of mind and helps them educate their users about threats
A few years ago, our team found the implementation to be somewhat challenging. It has gotten easier as we've grown more experienced. The difficulty depends on the expertise of the person doing it. I don't work with Mimecast every day, so it might be more difficult for me than it is for one of my techs who regularly does Mimecast implementations. It requires some specific in-depth product knowledge and an understanding of email solutions. The deployment time varies. In South Africa, it depends on who you use to deploy it. If you use one of Mimecast's local partners, it can take up to two weeks because of their process. However, it's only about four to eight hours of work. After deployment, there isn't much maintenance aside from supporting and educating your customers. Users require constant education on how to use the Mimecast client and release an email that has been blocked.
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Top Industries

By visitors reading reviews
Computer Software Company
15%
Manufacturing Company
7%
Construction Company
7%
Financial Services Firm
6%
Computer Software Company
15%
Financial Services Firm
7%
Manufacturing Company
7%
Comms Service Provider
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business8
Midsize Enterprise8
Large Enterprise6
By reviewers
Company SizeCount
Small Business16
Midsize Enterprise7
Large Enterprise11
 

Questions from the Community

What do you like most about Avanan?
Spam protection is the most valuable feature.
What needs improvement with Avanan?
Avanan doesn't cover certain tool segments. Barracuda provides backup and retention of emails and Microsoft 365’s backup and retention services. I've brought this up with the vendor. They told me t...
What do you like most about Mimecast Email Security with Targeted Threat Protection?
The interface of this solution is very easy to navigate and user-friendly. There is no delivery in email and other communications, making it reliable. The configuration is relatively easy.
What needs improvement with Mimecast Email Security with Targeted Threat Protection?
Mimecast Email Security can be improved by adding some API integrations. Instead of remaining a traditional gateway, Mimecast Email Security needs to provide API solutions similar to Check Point.
 

Also Known As

No data available
Mimecast Email Security with Targeted Threat Protection
 

Overview

 

Sample Customers

Bethel School District, ServiceSource, Capital Caring
Azizi Developments, Affinity Credit Union, Aftercare, Al Abbar Group
Find out what your peers are saying about Avanan vs. Mimecast Email Security and other solutions. Updated: January 2024.
868,787 professionals have used our research since 2012.