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The Push URL field in the mailbox creation flow is visible as a coming-soon option. It is disabled for now.

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What it will be for

Push delivery will POST inbound mailbox messages to a URL you control. It is intended for teams that want direct per-mailbox delivery without polling mailbox APIs.

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What to use now

  • Use mailbox APIs to read folders, messages, threads, attachments, and changes.
  • Use the Mailbox API event stream for live received-message notifications.
  • Use webhooks to receive inbound event notifications.
  • Use sender rules to reduce unwanted inbound mail before it reaches the mailbox.

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What happens next

There is no setup action or release date. You can create mailboxes normally while the field is disabled.

Mailboxes

Create addresses, passwords, sender identity, and sender rules.

Webhooks

Subscribe to inbound mailbox events now.

Mailbox API

Read messages, poll changes, and stream live events from a mailbox key.