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Mimecast Email Security vs Sendmarc comparison

 

Comparison Buyer's Guide

Executive Summary

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

Mimecast Email Security
Average Rating
8.0
Reviews Sentiment
5.9
Number of Reviews
31
Ranking in other categories
Office 365 Protection (3rd), Secure Email Gateway (SEG) (4th)
Sendmarc
Average Rating
0.0
Number of Reviews
0
Ranking in other categories
Email Security (55th)
 

Mindshare comparison

While both are Messaging and Collaboration solutions, they serve different purposes. Mimecast Email Security is designed for Secure Email Gateway (SEG) and holds a mindshare of 14.4%, up 12.5% compared to last year.
Sendmarc, on the other hand, focuses on Email Security, holds 0.4% mindshare, up 0.3% since last year.
Secure Email Gateway (SEG) Market Share Distribution
ProductMarket Share (%)
Mimecast Email Security14.4%
Microsoft Defender for Office 36524.2%
Proofpoint Email Protection20.3%
Other41.099999999999994%
Secure Email Gateway (SEG)
Email Security Market Share Distribution
ProductMarket Share (%)
Sendmarc0.4%
Microsoft Defender for Office 3659.6%
Proofpoint Email Protection7.9%
Other82.1%
Email Security
 

Featured Reviews

HS
Email Security Engineer at Logic Infosecurity
Experience high detection and user-friendly policies with reliable email security implementation
The system is not user-friendly because you have to create policies that are mapped in a dictionary. As an IT engineer, I understand how it works, but explaining it to another IT person can be difficult. Having more user-friendly dashboards would improve the work experience. In Mimecast Email Security, checking policies in the dictionary or gateway is very complicated, and not everyone understands this process. If you examine the Check Point portal, it's user-friendly with easily accessible tabs that anyone can explore. With Mimecast Email Security, making changes might impact existing mailboxes. The portal is complicated compared to Check Point's user-friendly interface.
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Top Industries

By visitors reading reviews
Computer Software Company
14%
Financial Services Firm
8%
Manufacturing Company
6%
Comms Service Provider
5%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business17
Midsize Enterprise7
Large Enterprise11
No data available
 

Questions from the Community

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?
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...
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Also Known As

Mimecast Email Security with Targeted Threat Protection
No data available
 

Overview

 

Sample Customers

Azizi Developments, Affinity Credit Union, Aftercare, Al Abbar Group
Information Not Available
Find out what your peers are saying about Microsoft, Proofpoint, Abnormal AI and others in Secure Email Gateway (SEG). Updated: January 2026.
881,082 professionals have used our research since 2012.