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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
6.6
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
5.8
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.
 

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.
 

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.
 

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.
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.
A distinct advantage of Mimecast is its ability to block phishing and impostor attacks, which are significant threats currently.
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.
 

Categories and Ranking

Avanan
Average Rating
9.2
Reviews Sentiment
7.8
Number of Reviews
19
Ranking in other categories
Email Security (16th), Data Loss Prevention (DLP) (21st)
Mimecast Email Security
Average Rating
8.0
Reviews Sentiment
6.2
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 3.7%, down 3.7% compared to last year.
Mimecast Email Security, on the other hand, focuses on Secure Email Gateway (SEG), holds 12.4% mindshare, down 15.3% since last year.
Email Security
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.
ShaheenKapery - PeerSpot reviewer
Provides valuable security features and has a straightforward setup process
The initial setup process is straightforward and takes a weekend at most. A .com domain can take up to forty-eight hours, while a local domain takes about four to eight hours because it has to propagate through the international DNS records. It is a cloud-only solution. If you're managing email security on-premises, you use your bandwidth to download emails, including spam, and then use your servers to clean it up. For example, say a third of your email is spam; this consumes significant bandwidth and resources. However, if you use Mimecast, they filter the emails on their servers before delivering them to you. It can be a major selling point in regions with expensive bandwidth, such as Africa. You can save bandwidth and improve overall efficiency by offloading the spam filtering to Mimecast.
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Top Industries

By visitors reading reviews
Computer Software Company
16%
Manufacturing Company
9%
Construction Company
7%
Financial Services Firm
6%
Computer Software Company
14%
Financial Services Firm
7%
Manufacturing Company
7%
Comms Service Provider
5%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

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?
If I ask you about the room for improvement, we discussed the phishing aspect, the DNS system, and the key rotation. Apart from that, are there any other areas that you would like to see improved o...
 

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.
864,155 professionals have used our research since 2012.