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Mimecast Email Security Reviews

Vendor: Mimecast
4.0 out of 5
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434 followers
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What is Mimecast Email Security?

Featured Mimecast Email Security reviews

Mimecast Email Security mindshare

Product category:
As of June 2025, the mindshare of Mimecast Email Security in the Secure Email Gateway (SEG) category stands at 11.6%, down from 16.1% compared to the previous year, according to calculations based on PeerSpot user engagement data.
Secure Email Gateway (SEG)

PeerResearch reports based on Mimecast Email Security reviews

TypeTitleDate
CategorySecure Email Gateway (SEG)Jun 11, 2025Download
ProductReviews, tips, and advice from real usersJun 11, 2025Download
ComparisonMimecast Email Security vs Microsoft Defender for Office 365Jun 11, 2025Download
ComparisonMimecast Email Security vs Abnormal SecurityJun 11, 2025Download
ComparisonMimecast Email Security vs Proofpoint Email ProtectionJun 11, 2025Download
Suggested products
TitleRatingMindshareRecommending
Microsoft Defender for Office 3654.228.9%96%52 interviewsAdd to research
Proofpoint Email Protection4.221.9%95%52 interviewsAdd to research
 
 
Key learnings from peers

Valuable Features

Room for Improvement

ROI

Pricing

Popular Use Cases

Service and Support

Deployment

Scalability

Stability

Review data by company size

By reviewers
By visitors reading reviews

Top industries

By visitors reading reviews
Computer Software Company
15%
Financial Services Firm
8%
Manufacturing Company
7%
Retailer
5%
Comms Service Provider
5%
Legal Firm
5%
Healthcare Company
5%
Government
4%
Construction Company
4%
Real Estate/Law Firm
4%
University
4%
Educational Organization
4%
Insurance Company
4%
Non Profit
3%
Wholesaler/Distributor
3%
Media Company
2%
Recreational Facilities/Services Company
2%
Energy/Utilities Company
2%
Outsourcing Company
2%
Performing Arts
2%
Transportation Company
1%
Logistics Company
1%
Hospitality Company
1%
Consumer Goods Company
1%
Aerospace/Defense Firm
1%
Marketing Services Firm
1%

Compare Mimecast Email Security with alternative products

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Mimecast Email Security customers

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Mimecast Email Security reviews

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RP
Senior Tech. Lead at WE
Verified user of Mimecast Email Security
Nov 23, 2024
Block significant threats with enhanced phishing prevention

Pros

"In terms of efficacy, Proofpoint is better than Mimecast, though it's a little difficult to manage. "

Cons

"Mimecast needs to reduce the number of false positive emails; a big pain point for us. "
RC
Information Security Analyst at Enfield Central Library
Verified user of Mimecast Email Security
Mar 5, 2025
Gain visibility into email interactions and remediate threats effectively

Pros

"I would rate Mimecast Email Security a nine out of ten."
Find out what your peers are saying about Mimecast Email Security. Updated May 2025
855,752 professionals have used our research since 2012.
ShaheenKapery - PeerSpot user
Solutions Architect at Altron
Verified user of Mimecast Email Security
May 22, 2024
Provides valuable security features and has a straightforward setup process

Pros

"The integration is straightforward. "

Cons

"The platform's cost-effectiveness could be improved. "
PeerSpot user
IT Manager at a logistics company with 201-500 employees
Verified user of Mimecast Email Security
Jun 17, 2024
Filters email messages for spam and phishing but needs to incorporate behavior-based analytics

Pros

"The biggest advantage of Mimecast Email Security is its spam filtering. Its filtering feature is interesting. "

Cons

"The tool can be challenging because it relies on rule-based configurations, especially for addressing impersonation threats. This approach requires setting up numerous rules to ensure filtering. It should work based on behavior-based analytics. "
Toby Elliott - PeerSpot user
Head of IT & Innovation at Shoreham Port Authority
Verified user of Mimecast Email Security
Jul 7, 2023
Though the tool needs to improve its stability, the setup phase is easy

Pros

"The setup was easy."

Cons

"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."
Frank Rawson - PeerSpot user
Managing Director at Conekt Business Group
Verified user of Mimecast Email Security
May 27, 2023
It gives clients peace of mind and helps them educate their users about threats

Pros

"We like Mimecast's spam filtering. The email signature feature is also a big plus for our users. "

Cons

"Lately, Mimecast's outbound mail servers have been regularly blocklisted by spam filters. That didn't happen a few years back, but it seems to be a more frequent problem these days. When a server is blocklisted, it means all of my outgoing mail ends up in the recipient's junk mail. That affects my reputation and business confidence. "
Clinton Ramkelawan - PeerSpot user
Senior Manager at Massmart
Verified user of Mimecast Email Security
Sep 15, 2022
A reasonably-priced solution that offers good retention policies and is very scalable

Pros

"In the current environment that the world is in, everyone is trying to hack everyone else, so Project+ definitely helps a lot there."

Cons

"The reaction time between a new threat being identified and Mimecast picking it up needs to be narrowed a bit. "
PeerSpot user
Group CIO at a construction company with 10,001+ employees
Verified user of Mimecast Email Security
Dec 3, 2023
Easy-to-setup product with valuable features for impersonation protection

Pros

"The product's most valuable features are impersonation protection and phishing countermeasures. "

Cons

"They could provide a unified licensing model, including all the security features. "