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Approve or reject email that an AI agent wants to send

Review held messages from AI agent keys, see why they were held, and approve and send or reject them within 72 hours.

Updated Nov 12, 2026

When an app or AI agent uses a mailbox through an API key, you can set rules on what it may send. A message that breaks those rules, or every message if you choose that, waits in Approvals until a person decides. This page is for mailbox owners and administrators. To set the rules, see API keys and AI agent rules.

Open the queue

Open Approvals. The heading says Messages AI agents want to send that need a person's OK. Four tabs filter the list: Waiting, Approved, Rejected and Expired. On a phone, Approvals is under More.

You are also notified in the app when something is held.

Review a message

Select an item. You see:

  • which key asked, and the mailbox it wants to send from, plus the subject and how long ago it asked,
  • Why it needs approval, a list of the rules it broke, such as sending outside the allowed recipients,
  • From, To, Cc and Bcc, any attachments, and the full text. If the message has formatting, it is shown as plain text.

Decide

You can add a Note (optional, kept in the audit log). Then choose:

  • Approve and send to send it as the mailbox. It still passes your workspace's normal sending rules, and who approved it is recorded.
  • Reject to drop it. Nothing is sent.

Who can decide

Only the mailbox's owner or a workspace administrator. Other people see Only the mailbox's owner or a workspace administrator can decide this. Agents themselves can never see or decide approvals.

Time limit

A held message waits up to 72 hours. If nobody decides, it moves to Expired with the note Nobody decided within 72 hours, so it wasn't sent. The agent must send it again.

Decided messages stay in their tab with who decided and when, and your note.

Good to know

  • Held messages keep waiting even if you change the rules afterwards.
  • Treat approving like sending it yourself: check the recipients and the text.

Tips

  • Check Why it needs approval before reading the text. It tells you what to look at.
  • Review the queue daily, so useful messages do not expire.

More guides in Workspace administration