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Introducing Sublime: A new, open approach to email security · Blog · Sublime Security

ID: dca1ed8a-9aae-5cc3-94db-823096b8f895

STIX ID: report--dca1ed8a-9aae-5cc3-94db-823096b8f895

Feed Name: Sublime Security Blog

Date Published: 2025-10-06

Date Updated: 2026-05-01

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Sublime announces a broadly available email detection and response platform built around Message Query Language (MQL), a domain-specific language for expressing email detection and response rules across providers. The post explains the evolving email threat landscape (phishing, BEC, HTML smuggling, malicious attachments), highlights MQL capabilities (NLU, YARA, sender history, link/CV analysis, VBA classification), community-contributed rules, deployment options (self-hosted Docker, cloud, managed SaaS), and recent $9.8M funding to support the project and its community.

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