Sublime Email Security Platform Reviews & Product Details

I like that Sublime has a high degree of accuracy out of the box negating a long tuning process. The regular updates to existing and creation of new core detections keeps us well protected. The ability to create custom detection, create bespoke automations is a massive plus point. I like that the detection logic is transparent, so you always know why something was flagged. The API features also make it simple to integrate into existing workflows and remove repetitive manual tasks. Review collected by and hosted on G2.com.

Sublime develops and releases new valuable features regularly that we would love to use. Unfortunately, inconsistencies in regional hosting outside of the direct control of Sublime can mean that sometimes these valuable new features don’t appear in our region right away. Review collected by and hosted on G2.com.

I appreciate how user-friendly both the UI and API of the Sublime Email Security Platform are, which allows me to create in-depth detections and automations easily. I like that Sublime MQL facilitates deep customization when creating detection rules, capturing specific scenarios with various email attributes. The platform provides complex detection rule creation that would be challenging with other solutions, and it's impressive how the functions in MQL allow for intricate rule construction, down to prevalence within the configured tenant. The powerful language of Sublime provides extensive coverage with its rules, which is another aspect I find valuable. Review collected by and hosted on G2.com.

Availability of ASA via the Sentinel integration? Allowing the summary to be forwarded to Sentinel. Review collected by and hosted on G2.com.

One of the strongest aspects of Sublime is how transparent its detections are. Instead of operating as a black-box filter, Sublime clearly shows why an email was flagged, including the specific signals, patterns, or behaviors that triggered the alert. This makes it much easier for IT and security teams to quickly validate threats, reduce false positives, and build trust in the system’s decision-making. That level of visibility also improves incident response and supports better long-term tuning, since administrators can understand exactly what the platform is catching and why. Review collected by and hosted on G2.com.

Sublime is primarily focused on detection and response rather than bundling broader end-user awareness or auxiliary security features, so organizations looking for an all-in-one suite may need to pair it with separate tools. In our case, moving from Avanan to Sublime also meant giving up some nice-to-have features such as geographic threat maps, Shadow IT visibility, and certain built-in reporting elements that were more readily available in the Avanan platform. Review collected by and hosted on G2.com.

I really like that the Sublime Email Security Platform is simple to use and very customizable, which is important for our large and sometimes complex organization. We love that the engineers are also the support team and are always happy to help, whether by jumping on a call or messaging in Teams. It's easy and straightforward to manage, thanks to this hands-off approach where it basically does everything itself. Review collected by and hosted on G2.com.

The only thing I can think of is there's a feature that only processes data in the US (ADE and the ability to automatically share emails with Sublime), whereas we need everything to be processed in the UK. It's just very key for us that everything's in the UK. Review collected by and hosted on G2.com.

I like that the Sublime Email Security Platform feels like an enterprise product and it was really easy to onboard our Google Workspaces account, all for free. I appreciate how it helps filter out malicious and spam content, while also allowing us to whitelist customer email domains and craft specific rules. The comprehensive rules make decision-making straightforward. Additionally, reviewing actions taken by the system has become an important internal security process to ensure we reduce false positives. The platform's interactive wizard automated our setup process, making it very easy to get started, and it feels very complete for the price point, especially since we're under the threshold for free use. Review collected by and hosted on G2.com.

It takes a little bit of trial and error to learn how to apply actions to the 700+ built-in rules, I would of appreciated some additional help/guidance on setting up rule actions from within the console. Review collected by and hosted on G2.com.

What stands out most about Sublime is how effectively it combines best-in-class email protection with exceptional usability. The platform does a great job of blocking phishing, malware, and other advanced threats without impacting user experience — false positives are minimal, and legitimate communications flow without friction. Review collected by and hosted on G2.com.

Overall the experience has been positive Review collected by and hosted on G2.com.

The platform is incredibly intuitive, giving us full visibility into email threats without complex setup or management. The dashboards and alerting make it easy to stay ahead of attacks. The ability to customize detection rules and workflows is a huge plus. We’re not locked into a one-size-fits-all product—it adapts to our environment.

We were able to connect Google Workspace and start seeing results in less than 10 minutes. Review collected by and hosted on G2.com.

Sublime's Message Query Language (MQL) is powerful and incredibly useful for creating detection rules and automations, but it does require some trial and error and time spent with documentation to be able to use it to its full potential. Review collected by and hosted on G2.com.

I like that the Sublime Email Security Platform is highly automated, which saves us time. We've significantly cut down the hours we used to spend reviewing emails and reported emails, reducing our annual effort by 400 hours. The initial setup was extremely easy. Review collected by and hosted on G2.com.

I have no complaints at this time. Review collected by and hosted on G2.com.

I like the Sublime Email Security Platform because the setup was easy and its user interface seems intuitive, making it easy to use. I appreciate the lots of customization capability it offers, even though I might not use all those capabilities right now, there's room for us to grow into. Review collected by and hosted on G2.com.

Nothing right now Review collected by and hosted on G2.com.

I like how the Sublime Email Security Platform is really intuitive and offers a lot of functionality. The API backend is robust, letting us expand capabilities and add automation. The reporting, hunting, and rule creation journey are great. I also appreciate that the initial setup is really easy. Review collected by and hosted on G2.com.

Nothing. Review collected by and hosted on G2.com.