Mimecast Advanced Email Security - best in class protection for your email
February 11, 2025

Mimecast Advanced Email Security - best in class protection for your email

Adam Nofsinger | TrustRadius Reviewer
Score 9 out of 10
Vetted Review
Verified User

Overall Satisfaction with Mimecast Advanced Email Security

We use Mimecast Advanced Email Security as our primary line of defense against spam and malicious email. All inbound email comes through Mimecast Advanced Email Security and we have policies to scan attachments, do impersonation prevention, block known bad URLs, etc. Previously we had used Proofpoint for this, but we had heard good things about Mimecast Advanced Email Security's reputation.

Pros

  • Block malicious attachments in email
  • Prevent impersonation of our employees by bad actors
  • Cut down on the amount of spam delivered to inboxes

Cons

  • The dashboard is difficult to navigate sometimes
  • The difference between policies, exception policies, and lists can be confusing
  • VIP impersonation protection is a bit manual to setup
  • Increased email security
  • Reduced the amount of spam we get, so saves time processing email
  • Does require a bit more time for our IT department to get in to release emails, find attachments blocked and release them, etc. The admin dashboard can be a little slow to login to and get around.
For the most part email security should be set it and forget it, but it was a struggle to get the KnowBe4 exclusions setup and working properly so that the KnowBe4 simulated phishing tests we send our users could all get through properly, especially the ones with attachments. Using the portal for day to day things like allow-listing a sender, or updating a policy, or releasing email or attachments from quarantine can be a little confusing.
We only ever used it with Microsoft 365 exchange online, but it was pretty easy to get setup and has been pretty much set it and forget it. Some of the authentication pieces do need updating on occasion, but this is more on Microsoft as they continue to deprecate certain authentication methods and switch to more modern ones.
We migrated to Mimecast Advanced Email Security from Proofpoint and we had Mimecast Advanced Email Security support help with the transition - it went pretty smooth, no loss time for email or anything.
As I recall, Proofpoint had become painfully slow to navigate around the admin portal, and we had heard good things about Mimecast Advanced Email Security, so Mimecast Advanced Email Security fit the bill as far as not being so slow to operate.
Mimecast Advanced Email Security had a reputation in the industry we went with, and the price was very competitive at the time.

Do you think Mimecast Advanced Email Security delivers good value for the price?

Yes

Are you happy with Mimecast Advanced Email Security's feature set?

Yes

Did Mimecast Advanced Email Security live up to sales and marketing promises?

Yes

Did implementation of Mimecast Advanced Email Security go as expected?

Yes

Would you buy Mimecast Advanced Email Security again?

Yes

+ Great if you need a solid email security filter
- Not useable if you need a company in the USA (e.g. if you have government restrictions on the vendors you can use) since they are a UK company

Mimecast Advanced Email Security Feature Ratings

Secure Email Gateway
8.4
Anti-malware
10
Customizability
7
Data Loss Protection
8
Threat Detection
9
Sandboxing
9
End-to-End Encryption
10
Management Tools
6

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