Dev.to
6/22/2026

Filter what your AI email agent sends and receives
Short summary
Nylas Agent Accounts provides three guardrail resources for AI email agents: Policies bundle limits and spam detection; Rules match mail conditions and trigger actions like blocking; Lists are reusable domain/address collections. These attach at the workspace level via API or CLI, automatically governing all accounts. Includes curl and CLI examples for creating policies with attachment caps, retention periods, and spam sensitivity tuning.
- •Nylas provides Policies (limits/spam), Rules (filtering), and Lists (domain collections) to prevent AI agents from sending spam or reaching wrong recipients
- •Configuration happens at workspace level via API or CLI, applying to all accounts automatically
- •Includes practical examples: attachment caps (25MB), retention periods (365 days inbox, 30 days spam), and spam sensitivity tuning
Generated with AI, which can make mistakes.
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