

Find out in this report how the two Email Security solutions compare in terms of features, pricing, service and support, easy of deployment, and ROI.
There is definitely a return on investment when using Mimecast, as it blocks phishing emails, reducing the risk of significant financial losses.
The ROI which companies see should be able to justify buying Mimecast Advanced Email Security.
The biggest impact Mimecast Advanced Email Security has had is on the cybersecurity environment, being the first to scan emails for malicious content.
It reduces costs by almost 40% or 45% compared to other security solutions.
The question is what would happen if an organization did not have this security measure in place and got hit by ransomware.
One of the main positive impacts of Trellix Email Security is its ability to detect and respond to phishing and suspicious email activity much faster.
Support personnel are hesitant to engage in remote sessions, preferring to share documentation via email.
The customer support for Mimecast Advanced Email Security is excellent.
We instantly get customer support from Mimecast Advanced Email Security whenever there is a requirement.
Solutions take three to four weeks maximum if you want something fixed.
Trellix should have a dedicated center for the African market due to the unique dynamics and challenges within this region.
We raise a case on the customer portal, and our engineer will be aligned with us, and the engineer resolves the issue.
It handles email flow very smoothly, and we never face any issues with email delivery as our organization grows or email volume increases.
If Mimecast Email Security introduces API solutions, it will dominate the market.
While our user base remains around 2,200, I believe it can adapt to much larger requirements as needed, based on discussions with others managing larger organizations.
The scalability rates at nine out of ten.
I would rate scalability between eight and nine because Trellix Email Security can be deployed in the cloud or on-premises, and in terms of scale, it can handle any size.
The scalability of Trellix Email Security is excellent.
Mimecast Advanced Email Security is very stable, reliable, and quite accurate.
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.
When it comes to stability and reliability, we have not faced any notable issues with Mimecast Advanced Email Security for our customers.
In terms of product stability, I would rate Trellix Email Security between eight and nine because the solution is quite stable.
Trellix Email Security is very stable, with no downtime noticed.
Whenever we deploy the product from the ePO console to that particular machine, it shows that the product is inactive.
When you buy an XDR provider, they give you a complete holistic story around it, showing what has happened, which email somebody has clicked on, whether there have been any changes, and whether there is any network activity.
Instead of reactive measures, it could proactively identify spam domains and prevent them from derailing mail flow.
A lot of emails were missed despite being known samples.
If they provide better customization options, it would be easier to understand everything in a single dashboard instead of navigating through dropdown menus to see reports.
I think there is a high number of false positives that also need attention.
They want to get the actual report on that, why they are sending and which way they are sending these emails.
The pricing is higher for Mimecast, particularly for the Indian market, where it is considered expensive.
Regarding the price, I think that in terms of similar products, it is pretty much in the same line, so I think it's reasonable.
Overall, my experience with pricing, setup costs, and licensing was smooth.
I am satisfied with the secure licensing cost because compared to other solutions, Trellix Email Security is cheaper and provides most features.
In my case, it is somewhat cost-effective and affordable.
The licensing is per user.
There was a signature phishing scam on the internet, but Mimecast Advanced Email Security caught it before it came to fruition and instantly blocked that signature-based phishing scam.
It easily generates reports about the kinds of emails coming in weekly and classifies them into various categories, making it very helpful to analyze and ensure our email gateway remains safe and secure by updating all security patches.
The best features of Mimecast Advanced Email Security are strong phishing and spam filtering, URL malicious link protection, attachment inspection, impersonation and business email compromise protection, flexible email security policies, and good visibility into the email activity.
If users try to open links that have converted to phishing after some time, those need to be blocked.
My experience with the malware analysis and quarantine features is that they are easy to manage and they have been very effective because we have been able to quarantine any suspicious emails or prevent any attempt before it affects our systems.
Monitoring and threat tracking in Trellix Email Security have the potential to reduce significantly the threats because I am able to review and analyze in real-time any potential threats to my environment and tackle them immediately.
| Product | Mindshare (%) |
|---|---|
| Mimecast Advanced Email Security | 3.9% |
| Trellix Email Security | 0.5% |
| Other | 95.6% |


| Company Size | Count |
|---|---|
| Small Business | 20 |
| Midsize Enterprise | 13 |
| Large Enterprise | 23 |
| Company Size | Count |
|---|---|
| Small Business | 10 |
| Midsize Enterprise | 3 |
| Large Enterprise | 7 |
Mimecast Email Security protects organizations against phishing, malware, business email compromise, and impersonation attacks, with detection built on 20 years of experience and over 1.3 billion emails inspected daily. It's available as a secure email gateway (MX-based) for full control over complex, multi-region environments, or via API integration with Microsoft 365, which deploys in hours with no MX changes. Administrators get a single console for policy management, monitoring external communications, and customizing configurations, and can pair it with Mimecast Cloud Archive for long-term email retention and compliance.
What key features should users explore?
What benefits can impact ROI?
Industries and use cases
Mimecast Email Security is used across industries, including healthcare and finance, to secure inbound and outbound communications and support compliance requirements. Enterprises use it as a gateway, an API-based layer on top of Microsoft 365, or both, depending on how much control versus deployment speed they need.
Trellix Email Security boosts email safety with advanced attachment sandboxing and URL reputation analysis, minimizing phishing and ransomware risks while effectively blocking malicious URLs post-delivery.
Trellix Email Security offers robust email protection through efficient malware analysis and mail filtering. Its user-friendly interface and straightforward policy rules enhance usability. The dashboard aids in threat assessment and reporting, though users advocate for more intuitive and customizable interfaces. Reporting and logging improvements are desired. The platform integrates well with threat management systems, providing clear insights into email flow and supporting advanced phishing defenses.
What are the key features?Industries incorporate Trellix Email Security for its capability to filter and trace email threats at the gateway level. Its features are valued in sectors requiring advanced spam and attachment detection, employing URL rewrite settings to block threats. While effective, some settings may require complex management.
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