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    Sublime Email Security Platform

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    Deployed on AWS
    Sublime stops more email attacks with less work. Our agentic platform protects, adapts, and responds in real-time, eliminating vendor bottlenecks.
    4.7

    Overview

    Sublime's agentic platform stops more email attacks with less work. It's team of AI agents work like a digital SOC team in your environment, triaging and blocking advanced threats while adapting protections at adversary speed. It provides full transparency and automation by default, with control on demand for advanced teams, eliminating vendor bottlenecks or one-size-fits-all limits.

    Get an AWS Private Offer and speak with the team at sales@sublimesecurity.com 

    Highlights

    • By stopping more attacks and reducing false positives, Sublime delivers a superior autonomous AI experience that requires less work. For advanced teams, the platform is fully extensible, allowing you to author your own detections and hunt for threats with a level of precision that one-size-fits-all solutions can't.
    • Block sophisticated threats (BEC, novel phishing, QR-based phishing) and reduce the false positives that waste time and disrupt workflows. Sublime's tailored protections deliver a demonstrably higher catch rate, validated by the world's most demanding security teams.
    • Protect Microsoft 365 and Google Workspace accounts with no MX changes. Deploy in Sublime Cloud or self-host on AWS.

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    Pricing

    Sublime Email Security Platform

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    Pricing is based on the duration and terms of your contract with the vendor. This entitles you to a specified quantity of use for the contract duration. If you choose not to renew or replace your contract before it ends, access to these entitlements will expire.
    Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator  to estimate your infrastructure costs.

    12-month contract (1)

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    Cost/12 months
    Sublime Offer
    Sublime AWS Marketplace Offer Pricing
    $80.04

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    We do not currently support refunds.

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    Software as a Service (SaaS)

    SaaS delivers cloud-based software applications directly to customers over the internet. You can access these applications through a subscription model. You will pay recurring monthly usage fees through your AWS bill, while AWS handles deployment and infrastructure management, ensuring scalability, reliability, and seamless integration with other AWS services.

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    Sublime Security Support Policy can be found at

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    Customer reviews

    Ratings and reviews

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    4.7
    39 ratings
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    39 external reviews
    External reviews are from G2  and PeerSpot .
    Connor

    Email defenses have reduced manual phishing work and now give clear visibility into threats

    Reviewed on Sep 28, 2026
    Review provided by PeerSpot

    What is our primary use case?

    Our primary use case for Sublime Security is email security, so we use Sublime Security to protect Microsoft 365 email against phishing, business email compromise, any malicious links and attachments, and other email-based threats. We're particularly interested in threats that can get through the traditional email security because they don't necessarily look like conventional spam or malware.

    Sublime Security has given our security team better visibility into what's happening in our email environment, and it has actually helped us identify suspicious messages more quickly. For example, one of the benefits is that we're able to investigate email threats without relying entirely on users reporting those suspicious messages. The security team at Cloudhouse can actually see patterns and indicators across the environment and respond accordingly. It has actually reduced the manual investigation work as well.

    How has it helped my organization?

    Sublime Security has positively impacted our organization by allowing us to do much less manual phishing detection and email detection, and now we can automate a lot of that, freeing up a lot of our security team to do other work.

    I think it's difficult to put an exact dollar figure on it, but we're certainly avoiding more phishing incidents because we're now using Sublime Security from what we saw maybe three or more years ago.

    What is most valuable?

    I'd say the best features Sublime Security offers are the threat detection and investigation capabilities, which are probably the most valuable part for us. I particularly appreciate the visibility into the email activity and the ability to investigate suspicious messages and understand why something was flagged. I'd say the protection against more sophisticated phishing and business email compromise attacks is also important. Those are difficult to deal with because they don't always contain obvious malware.

    The investigation capabilities of Sublime Security stand out because they surface themselves in a very nice, obvious way. So when we are investigating, they're just easy to spot and easy to identify. The UI is very clear for us, and overall it's just what we would expect.

    Regarding Sublime Security's AI capabilities, I think it's honestly pretty good. I haven't had any issues with either the governance side or the security side.

    I think Sublime Security has been very accurate. For us, it's certainly stopped a lot of the manual investigation that we often do for phishing emails or malicious emails. Occasionally, it does give us false positives, but that's just a five-minute review of something, so it still cuts a lot of time down.

    What needs improvement?

    The product is powerful, but I suppose there are areas where someone new to the platform needs some time to understand all of the available functionality. It can be quite a lot as a new user to absorb the information. I'd also like more straightforward reporting for non-security stakeholders. Often I have to prepare reports for our CEOs, and they want it in a less technical way, a simpler view of things such as threats blocked, incidents investigated, and overall risk reduction.

    For how long have I used the solution?

    I've been using Sublime Security for around two years now.

    What do I think about the stability of the solution?

    We've been using Sublime Security for a few years now and haven't had any issues with the solution.

    What do I think about the scalability of the solution?

    Scalability has been good for us. We have a fairly large Microsoft 365 environment and haven't had any problems with the platform keeping up with our email volume.

    How are customer service and support?

    Support for Sublime Security has generally been good. People we've dealt with have been knowledgeable about email security and they're able to understand the context of an incident rather than just treating it as a generic support ticket. There have been occasions where we would have liked a faster response, but the overall experience has been positive.

    I would probably rate the customer support as a nine out of ten.

    Which solution did I use previously and why did I switch?

    We didn't evaluate previous solutions. This was actually our first venture into security in this way.

    What was our ROI?

    I think the ROI for us is primarily in reduced security risk and reduced analyst time.

    What's my experience with pricing, setup cost, and licensing?

    Pricing for Sublime Security seems appropriate for an enterprise security product. It's not really the cheapest option, but it benefits us. The overall cost does need to be considered against the size of the environment and the amount of security work you're replacing or reducing. So it seems fair, but I can also understand why some people might say it's expensive.

    Which other solutions did I evaluate?

    We didn't actually evaluate other options. We started with Sublime Security and found it met all of the objectives we needed, so we were happy to go ahead with it.

    What other advice do I have?

    I haven't experienced any significant reliability issues or any issues at all. Sublime Security is normally pretty accurate in its detection. I appreciate the AI capabilities and the UI. I'm sure there is something that can be improved to make my life even better that I don't yet realize.

    I recommend that you define your email security requirements before starting the evaluation. I would rate Sublime Security a nine out of ten.

    Information Technology and Services

    Tailored, Transparent Email Security That Delivers Peace of Mind

    Reviewed on Sep 17, 2026
    Review provided by G2
    What do you like best about the product?
    I've been using Sublime's agentic platform to safeguard my emails, and it's been quite impressive. They genuinely provide the transparency and automation needed to tackle advanced threats without all the hassle. This isn't just another generic security solution. It's truly tailored to the specific threats my organization encounters, cutting down on false positives and giving me peace of mind. Their AI agents work seamlessly, giving my team way more flexibility and efficiency. Definitely a trusted and proactive solution!
    What do you dislike about the product?
    Nothing so far has pushed me away from the platform
    What problems is the product solving and how is that benefiting you?
    Email security with automation and high fidelity detections and response
    Mike M.

    Fantastic Architecture and Easy UI, Backed by a Super Responsive Team

    Reviewed on Sep 11, 2026
    Review provided by G2
    What do you like best about the product?
    The architecture is fantastic, the rules engine and how the platform is laid out is really solid. UI is easy to use. Can't wait for the MCP interface to make it even better! The sales and services team are fantastic, super responsive and really knowledgeable.
    What do you dislike about the product?
    Their Graymail feature is not full featured yet. They don't have an MCP interface yet.
    What problems is the product solving and how is that benefiting you?
    Layered email security.
    Computer Software

    Transparent, Editable Detection Rules with Fast Onboarding and Strong Phishing Coverage

    Reviewed on Sep 09, 2026
    Review provided by G2
    What do you like best about the product?
    The detection logic is fully transparent and editable, and that's the thing I'd point to first. Every rule is human-readable, so when we see a new phishing pattern we can fork an existing rule, tune the conditions, and have it live the same day instead of filing a vendor ticket and waiting a release cycle. The rules live as code, which means we version control them and code review them like any other engineering work.

    Onboarding was genuinely fast. It connects to our mail tenant over API rather than sitting inline, so there were no MX changes, no mail flow risk, and no added delivery latency. We were reviewing real detections within days of signing, and we could run in observation mode first to see what it would have caught before letting it take action on anything.

    The verdict detail is what changed our day-to-day workflow the most. Instead of a black-box risk score, we get the specific signals behind a detection along with full message and attachment analysis, so triage on a reported message takes a couple of minutes rather than a manual header-and-link investigation. Being able to query historical mail with a real query language means email is now something we can actually hunt across, which we didn't have before.

    Integrations have held up well. The API is complete enough that we pipe detections into our own SIEM and automation rather than living in one more console.

    Detection quality on business email compromise, vendor and executive impersonation, credential phishing, and QR-code lures has been consistently strong. Support is responsive and technically credible, with direct access to people who know the product instead of a tiered queue.
    What do you dislike about the product?
    1. Built-in reporting and dashboards are the weakest part of the product. For the metrics leadership asks for, we end up exporting data into our own tooling rather than using what ships in the console.
    What problems is the product solving and how is that benefiting you?
    The core problem it solves is that our previous email controls caught commodity spam and known-bad indicators but missed the attacks that actually cause damage: business email compromise, vendor and executive impersonation, payment fraud attempts, and credential phishing that carries no malware and no known-bad URL. Those messages were landing in inboxes, and we were finding out about them from user reports rather than from a detection.

    The second problem was that we had no way to act on what we knew. With a traditional gateway, our own threat intelligence and the patterns we saw in our own environment couldn't be turned into a control without opening a vendor ticket. Sublime closed that gap. When we see something new, we write or tune a rule ourselves and it's protecting the whole org that day.

    The third was visibility. Email used to be the one major surface our detection team couldn't investigate. We had no way to search historical messages, so questions like "who else received this" or "has this sender pattern shown up before" took hours of manual work or went unanswered. Now that's a query.

    The benefits have been concrete. Phishing triage that used to mean manually pulling headers, unpacking attachments, and checking links now takes a couple of minutes per message because the analysis is already done and the reasoning is visible. Fewer malicious messages reach users, so we spend less time on post-delivery cleanup and searching for who clicked. Our detection engineers can own email coverage directly instead of routing everything through IT or the vendor. And because it deploys over API with no mail flow changes, we got all of that without a migration project or any risk to mail delivery.
    Information Technology and Services

    Excellent Tool with Strong Admin Functionality and Dedicated Support

    Reviewed on Sep 04, 2026
    Review provided by G2
    What do you like best about the product?
    Excellent tool, efficacy right on par with Abnormal. More functionality from administrative perspective.
    What do you dislike about the product?
    I have not had any issues with the Sublime platform or their professional services! Continued support with dedicated engineer has been excellent.
    What problems is the product solving and how is that benefiting you?
    Much better efficacy than our previous solution, drastic reduction of phishing emails making it through to end users. The graymail feature is also cleaning up inboxes from excessive marketing emails.
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