Mailbox Connection

An authorized connection to a mailbox with bounded scopes and lifecycle controls.

Reviewed: July 2026
Current state: Gmail OAuth connection, health, reauthorization, and disconnection behavior are implemented.

Owning boundary: Kernel mailbox integration boundary
Not equivalent to: Email Address · Client Correspondence
Verified identifiers: connectionId

A Mailbox Connection is an authorized connection to a mailbox. It has its own health, scopes, reauthorization, disconnection, and content-access boundaries.

Related guidance

What is Client Correspondence?

Approved Correspondent

Client Correspondence

Content Access Grant