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Barracuda Email Security Gateway vs Mimecast Email Security comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Apr 20, 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

Barracuda Email Security Ga...
Ranking in Secure Email Gateway (SEG)
5th
Average Rating
8.0
Reviews Sentiment
7.6
Number of Reviews
54
Ranking in other categories
DMARC Authentication Software (4th)
Mimecast Email Security
Ranking in Secure Email Gateway (SEG)
4th
Average Rating
8.0
Reviews Sentiment
6.2
Number of Reviews
31
Ranking in other categories
Office 365 Protection (3rd)
 

Mindshare comparison

As of July 2025, in the Secure Email Gateway (SEG) category, the mindshare of Barracuda Email Security Gateway is 6.2%, down from 8.6% compared to the previous year. The mindshare of Mimecast Email Security is 11.9%, down from 15.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Secure Email Gateway (SEG)
 

Featured Reviews

RobertSmith15 - PeerSpot reviewer
Email security offers superior protection with good personalization
I have experienced the Barracuda team as very cooperative, and they are readily available for calls with technical support via email. I have had no issues with ongoing support throughout the product's lifecycle. Assistance was provided to me when transferring archived information from a legacy email service. They also recommended an additional service to streamline the process, making it as easy as possible.
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.

Quotes from Members

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

Pros

"This appliance has helped in that we now eliminate the thousands of scams, spam, and malware emails that are destined for our users."
"The link protection and anti-phishing features are great."
"Barracuda Email Security Gateway has features like identify the spam source, rules to avoid some specific spams and then reschedule. And there are some other features like the email continuity, the email server and gateway site, which can relay the mail kit. The solution is user-friendly.These kind of features are the most valuable."
"The product safeguards user mail for gateway defense, data protection, business continuity, AI-based inbox defense, and automated threat detection and incident response."
"The solution's anti-spam features are its most valuable aspect."
"The most valuable feature of the Barracuda Email Security Gateway is the ATP."
"We have found some of the valuable features to be how easy the solution is to configure, the graphic support, and the intuitive dashboard."
"The feature that sets Barracuda apart from other solutions is the Office 365 cloud-to-cloud backup."
"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."
"It offers an easy initial setup."
"The integration is straightforward."
"The piece that is most valuable from the Mimecast standpoint will be the sandboxing feature."
"The platform's most valuable features are journaling and email archiving, effectively stopping phishing attacks."
"The solution is pretty straightforward to use and easy to set up."
"The reviewer gave Mimecast Email Security a rating of 10 out of 10."
"Mimecast certainly helped my customers reduce phishing emails."
 

Cons

"Barracuda has shown difficulty in providing us with the solutions we sought."
"The DMARC security is somewhat weak and could be strengthened."
"My customers were sending OPT bulk emails and Barracuda Email Security Gateway was not able to handle it. We have to go with another different solution, such FortiMail for the task. We are implementing these combinations of the Barracuda and FortiGate, for email security. The FortiGate FortiMail security gateway we use to send only the bulk email, not for receiving emails."
"Artificial intelligence improvement could be used to help block spam and phishing mail that is directly delivered to users."
"I have noticed that it takes a little time to get familiar with after deploying and some tweaks need to be done as things come up."
"Two improvements that are needed include an enhancement in the proxy feature, as well as the ability to more fully automate patches and updates."
"Barracuda's spam database isn't on par with its competitors. Users complain about the spam email they're receiving, and we report the issue. Barracuda said they are going to update their system to block the malicious email we received, but we're still getting the same spam. The signatures are not in their database. They need to update their spam signatures because spam is bypassing Barracuda."
"The pricing is a little bit high, and it is causing the company to rethink renewal. If they could lower the pricing, that would be ideal."
"The reaction time between a new threat being identified and Mimecast picking it up needs to be narrowed a bit."
"External security features need improvement."
"Its pricing can be improved. It is a bit expensive."
"Mimecast needs to reduce the number of false positive emails; a big pain point for us."
"I'd like to have better support from the product in the future."
"The product's interface could be improved to be more user-friendly."
"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."
"The feature that should be included is to remove the block on the encrypted files."
 

Pricing and Cost Advice

"There is an annual license required for this solution."
"This is one of the major points for integrating this solution in any organization. Barracuda Email Security Gateway needs to make it a bit more tolerable for customers because it is increasing every year. They should create a plan for reducing the cost."
"e solution's pricing is exceedingly high, and it continues to increase."
"We typically purchase a one or three-year license for Barracuda Email Security Gateway."
"The price of this solution is very high, but it's working fine."
"The solution is priced low. We have received a good price discount here in Sri Lanka. There are additional licenses we have to purchase a license for the ATP."
"We pay between $8 and $10 USD per user per month."
"It is a cost-effective and relatively cheap solution as compared to others. Our customers have a yearly subscription. We do have a few customers with monthly subscriptions, but they have cloud-based Email protection, which is a different type of solution. Both solutions are very good."
"The customers can select the license packages as per their requirements."
"We pay monthly fees to our provider."
"I'm always going to say the price needs to be lower, but it's reasonable."
"The solution is expensive."
"On a scale of one to ten, where one is cheap, and ten is expensive, I rate the pricing a ten."
"The product has good pricing in terms of return on investment."
"The licensing costs are per-user for the product that you get with them."
"Compared to the other solutions in the market, Mimecast Email Security with Targeted Threat Protection's pricing is fine."
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Top Industries

By visitors reading reviews
Educational Organization
29%
Computer Software Company
11%
Financial Services Firm
7%
Manufacturing Company
6%
Computer Software Company
14%
Financial Services Firm
8%
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 Barracuda Email Security Gateway?
Barracuda Email Security Gateway is very simple to use.
What needs improvement with Barracuda Email Security Gateway?
Barracuda Email Security Gateway should include ATP in the next release.
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 is your experience regarding pricing and costs for Mimecast Email Security with Targeted Threat Protection?
The pricing is higher for Mimecast, particularly for the Indian market, where it is considered expensive.
What needs improvement with Mimecast Email Security with Targeted Threat Protection?
There is nothing that notably stands out in need of improvement at present.
 

Also Known As

Barracuda Spam and Virus Firewall, Barracuda Sentinel
Mimecast Email Security with Targeted Threat Protection
 

Overview

 

Sample Customers

Evolution Recruitment Solutions, Evans Delivery Company, Osoyoos Credit Union, Synovis Life Technologies, Camden County Technical Schools, DEK, Evans Delivery Company, Colgate Rochester Crozer, Hemmera, South Carolina Heart Center, Ferma Corporation, Major League Baseball (MLB), Healy Brothers Automotive Group
Azizi Developments, Affinity Credit Union, Aftercare, Al Abbar Group
Find out what your peers are saying about Barracuda Email Security Gateway vs. Mimecast Email Security and other solutions. Updated: June 2025.
860,168 professionals have used our research since 2012.