Your AI agent doesn’t need every mailbox you’ve connected

Nylas IAM is presented as a way to limit AI agents’ access to connected mailboxes and record both successful and denied API requests in Access Activity, helping organizations distinguish what an agent attempted from what it was permitted to do. A narrowly scoped, read-only credential tied to a single mailbox can prevent an agent from sending email, returning a 403 before a request reaches Google or Microsoft, while audit records identify the credential’s associated identity even if the agent behaves unexpectedly or encounters prompt injection. The text notes that shared credentials or employee OAuth can obscure whether actions were taken by a person or an agent, whereas dedicated Agent Accounts provide agents with their own email addresses and grant IDs for work not tied to an individual user. Organizations can create principals that combine specific roles with a single resource binding, issue credentials for those principals, store the credentials securely, disable them when needed, and migrate services gradually alongside existing application keys.

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