Securing the mail communication.
Advanced Email Security
Mimecast: Work Protected™External reviews
334 reviews
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Great Configurability, Needs Better API Integration
What do you like best about the product?
My favorite thing about Mimecast Advanced Email Security is the relationship with our CSR, Brett Lenzi, who always jumps into support tickets, escalates them, and is a constant good-will advocate for us. I like how rules are easily configurable and the platform is always coming out with improvements. I appreciate the creation of custom rules to block new phishing patterns or suspicious domains and the ability to fine-tune filtering based on our specific environment, like by department. The intuitive rule building interface allows me to quickly make adjustments, and I find it valuable that we're continually working to reduce false positives via allow-lists and block-lists.
What do you dislike about the product?
We really need an API solution - we are missing out on connecting some services due to lack of API integration - MX records are really a legacy method. Limited automation capabilities - we can't programmatically pull email security metrics into our centralized security dashboards or SIEM platforms. Manual reporting processes - security incident data has to be manually exported rather than automatically fed into IR workflows. Disconnected threat intel - can't easily correlate Mimecast threat data with other security tools to get a full picture of attack campaigns. User provisioning inefficiencies - onboarding new employees or managing departing staff, we have to manually update policies rather than integrating with our identity management system via M365. The mx record approach limited my ability to create the interconnected security ecosystem that modern organizations need. API connectivity would broaden the efficacy of the overall impact of email security within the security stack.
What problems is the product solving and how is that benefiting you?
I use Mimecast Advanced Email Security to secure our email operations. It allows me to create custom rules to block phishing patterns and fine-tune filtering for our specific environment, reducing false positives. The intuitive rule-building interface lets me make quick adjustments.
Customizable Email Security Policies That Protect Against Many Threats
What do you like best about the product?
It offers a wide range of email security policies with a strong level of customization. We’re able to protect our environment against many different types of threats, including dangerous malware, phishing attacks, impersonation attacks, and more.
What do you dislike about the product?
The interface isn’t very intuitive, and it can be a bit difficult to navigate through all of the policies and find exactly what I need. Customer support has been hit or miss as well. Sometimes I get good support, but other times it’s been difficult and lengthy to get my issues resolved.
What problems is the product solving and how is that benefiting you?
It solves my email security needs. I require a strong security platform to protect me from spam and phishing attacks, and this helps with that.
Email security has protected critical communication but hyperlink handling still needs improvement
What is our primary use case?
How has it helped my organization?
Biggest benefit would be filtering everything that is either spam or a threat before reaching users mailboxes.
What is most valuable?
Filtering from threats before emails are reached mailboxes.
URL protection and sandboxing. Potentially dangerous links are open in Sandbox rather than in user's web browser further helping with potential threats.
What needs improvement?
Allow modification of potentially dangerous hyperlinks to be converted into either text or image instead of rejecting the message.
For how long have I used the solution?
I have been dealing with Mimecast Web Security for more than five years.
What do I think about the stability of the solution?
Relatively stable with minimum issues. However, there were a few in the past caused a lot of headache.
What do I think about the scalability of the solution?
From what I've seen from the MSP, it seems quite complicated to manage the configuration itself, but since I am not using the product as an admin, I can't answer it definitively.
How are customer service and support?
I have not dealt directly with Mimecast Web Security's technical support; whenever we have a problem or something needs to be changed, I reach out to my MSP.
What about the implementation team?
I did not purchase Mimecast Web Security through the AWS Marketplace because it goes through my MSP.
What was our ROI?
In general, I can't comment on ROI with Mimecast Web Security since I never worked without mail security application. I can't quantify the time I would need to spend on fixing issues or dealing with threats without Mimecast.
What's my experience with pricing, setup cost, and licensing?
MSP in charge for setup etc. Costing seems similar to other evaluated solutions.
Which other solutions did I evaluate?
Mimecast was chosen by MSP who is also providing full support for us with the product. However, we as a company are evaluating various solutions which can provide better value to us either directly or indirectly via MSP. Mimecast seems to be heavy on configuration rather than using a user behaviour compared to alternatives we were presented.
What other advice do I have?
We have been using Mimecast Web Security for quite a lot of years. Regarding the analytics part you asked and what metrics are most valuable for monitoring web activities in our case, we am not dealing with the monitoring; that's our MSP who does the majority of the monitoring on our behalf.
Regarding the reporting part, I have seen the original reports from Mimecast Web Security, which seem to be quite heavy in terms of information. With the MSP, we are just reviewing and discussing what is necessary. If there is a concern, that is dealt with MSP immediately rather than waiting for formal conversations. However, I think the Mimecast report is fine and easy to read.
It is hard for me to say whether the installation is easy or complex, as I wasn't involved; it was done by our MSP. I am the end customer of Mimecast Web Security, not a consultant.
Email security has protected data and now simplifies archiving and prevention workflows
What is our primary use case?
I have been working with Mimecast Email Security.
What is most valuable?
The functionality, including email archiving and data loss prevention features, is adequate. Mimecast Email Security offers certain features inherent to the product which are beneficial. In case of additional needs, I explore further customization.
What needs improvement?
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 competition in the Indian market, and the local presence is lacking as they do not have a local representative currently.
For how long have I used the solution?
I have been working with Mimecast Email Security for approximately seven months.
What do I think about the stability of the solution?
Currently, I am not facing any issues with Mimecast Email Security. If something comes up, I will be keen on exploring other products.
What other advice do I have?
I have been satisfied with Mimecast Email Security as a good solution. However, if I need anything additional, I will surely explore what can be done on that. I would rate this product nine out of ten.
Which deployment model are you using for this solution?
On-premises
If public cloud, private cloud, or hybrid cloud, which cloud provider do you use?
Amazon Web Services (AWS)
Robust Email Security Made Simple and Effective
What do you like best about the product?
Mimecast Advanced Email Security stands out for its strong protection against phishing, malware and impersonation attacks while remaining easy to manage. The interface is intuitive, making daily monitoring, policy updates and threat investigation straightforward even for small security teams.
Implementation is smooth and well-documented, with minimal disruption to existing mail flow. Integration with M465 is seamless and features like URL protection, attachment sandboxing and impersonation protection work effectively out of box.
Implementation is smooth and well-documented, with minimal disruption to existing mail flow. Integration with M465 is seamless and features like URL protection, attachment sandboxing and impersonation protection work effectively out of box.
What do you dislike about the product?
Mimecast Advanced Email Security is a powerful platform, the interface can feel complex at times, especially for new administrators. Some settings are deeply nested, which can make advanced policy tuning and troubleshooting less intuitive.
What problems is the product solving and how is that benefiting you?
Mimecast Advanced Email Security addresses critical email-based threats such as phishing, spear- phishing, malware, ransomware and business email compromise. By providing advanced threat detection, URL and attachment analysis and impersonation protection, it significantly reduces the risk of users falling victim to malicious emails.
Effortless Spam Blocking and Enhanced Email Security
What do you like best about the product?
it easy to identify unknown email and block spam and avoid breach
What do you dislike about the product?
sometimes it block genuine user and take time
What problems is the product solving and how is that benefiting you?
it easy to identify unknown email and block spam and avoid breach data leak
AI-Powered Security with Outstanding Threat Protection
What do you like best about the product?
AI-Powered, Multi-Layer Detection
Strong Phishing / Impersonation Protection
Excellent Spam & Virus Defense
Deployment Flexibility
Integrated Platform
Strong Phishing / Impersonation Protection
Excellent Spam & Virus Defense
Deployment Flexibility
Integrated Platform
What do you dislike about the product?
Steep Learning Curve / Complexity
Aggressive Out-of-the-Box Settings / False Positives
Aggressive Out-of-the-Box Settings / False Positives
What problems is the product solving and how is that benefiting you?
Phishing & Spear-Phishing
Business Email Compromise (BEC)
Business Email Compromise (BEC)
Mimecast, a Great Mail security tool
What do you like best about the product?
The features that stand out most are its Targeted Threat Protection, and the ease of use it provides. The TTP suite is excellent at neutralizing most attacks, including Impersonation Protection which accurately flags and blocks Business Email Compromise and CEO fraud attempts that traditional filters miss.
What do you dislike about the product?
At times, the Administration user interface tends to be slow and unresponsive, which can be frustrating.
What problems is the product solving and how is that benefiting you?
Targeted Threat Protection: Features like Impersonation Protection and advanced AI/machine learning stop social engineering attacks that manipulate employees. This directly translates to reduced financial loss and prevented breaches from wire transfer fraud or credential theft
Consistent, Low-Noise Phishing Protection with Smart Features
What do you like best about the product?
Consistent, low‑noise protection from phishing and impersonation—smart URL rewriting and attachment sandboxing with clear reporting and simple policy control.
What do you dislike about the product?
URL rewriting can break links, the admin UI/reporting feel clunky with limited customization, and quarantine workflows sometimes delay legitimate mail.
What problems is the product solving and how is that benefiting you?
It closes the biggest email gaps—phishing/BEC, spoofing, and malware in links/attachments—by filtering and detecting impersonation before messages reach users. The result is fewer incidents and account takeovers, less SOC/helpdesk noise, faster investigations via centralized reporting/quarantine, better compliance posture, and more confident users.
Great when we started with them, declined quickly after implementation
What do you like best about the product?
Included email signatures in their offering for free as well as the tabbed interface made switching between consoles very easy!
What do you dislike about the product?
The product was 'ok' but not the best at catching everything. The real reason for the decline was in support. Getting customer service on the phone during outages was horrible and took entirely too long in a SEV-A scenario.
What problems is the product solving and how is that benefiting you?
They did an ok job at first at protecting us from threats, however as the time went on it seemed like they were always a step behind the competitors in this space.
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