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Email delivery is asynchronous. After Dugble accepts a message, its status changes as the message moves through the delivery pipeline and the receiving mail system responds.

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Common states

Dugble email messages can report states such as:

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Retrieve the current state

Retrieve a message with GET /emails/{message_id}. The last_event field represents the latest known delivery state.

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Delivery does not mean inbox placement

A delivered event means the recipient’s mail system accepted the message. It does not guarantee that the message was placed in the inbox rather than another folder.

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Inspect the event history

For more detail, retrieve the message’s delivery events with GET /emails/{message_id}/events. See Email Events.

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React to failures

Use delivery events and webhooks to monitor bounces, complaints, delays, and failures. Avoid repeatedly sending to addresses that are known to be invalid or suppressed.