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By default, Spinnable AI workers can receive messages from anyone who emails them at their @spinnable.app address or messages them on WhatsApp using the available WhatsApp channel. If you are using a worker for sensitive internal tasks — or want to prevent uninvited external people from contacting a sensitive worker — you can restrict who is allowed to reach each worker.

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Restricting Worker Access

Access restrictions are configured per worker on the worker’s Settings page.
1

Navigate to worker settings

Open the worker you want to restrict, then click Settings in the floating rail or bottom bar.
2

Find Security & Privacy

Scroll down to the Security & Privacy section.
3

Set your restriction mode

Choose the communication restriction level for Email and WhatsApp:
  • Anyone (default) — Any external address or phone number can message the worker.
  • Team Members Only — Only eligible people on the worker’s teams can message the worker.
  • Manager Only — Only the worker’s manager and assigned co-managers can message the worker.
4

Save changes

Click Save. The restrictions take effect immediately.

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Understanding “Team Members Only” Mode

Selecting Team Members Only blocks messages from anyone who is not an active member of your Spinnable team.

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What counts as a team member?

Domain matching does NOT make someone a team member. If your company uses @yourcompany.com, an email from colleague@yourcompany.com will still be blocked unless that colleague has joined the workspace and a team with the worker.
Team membership is based on workspace membership and a team assignment — not merely a matching email domain. For a colleague’s message to be accepted:
  1. They must have a Spinnable account.
  2. They must be a live member of the workspace and belong to a team shared with the worker. Workspace membership can start with a workspace invite or an eligible domain-join.
If a colleague who is not a member of the worker’s team emails a restricted worker, the message will be rejected — even if they share your exact email domain.

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How to allow a colleague to talk to your worker

To let a colleague communicate with a restricted worker:
  1. Under Settings > Workspace > Members, invite the colleague if necessary. After they join, add them in Settings > Workspace > Teams and share the worker with that team. See Teams.
  2. Once they are a live member of a team shared with the worker, their emails and WhatsApp messages to your worker will be accepted automatically.

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What Happens When a Message Is Blocked?

When an unauthorized user attempts to message a restricted worker:
  • Email: The sender receives an automated bounce message explaining that the worker only accepts messages from authorized team members.
  • WhatsApp: The sender receives a brief reply indicating the worker is not accessible to external contacts.
  • Quota impact: Blocked messages do not consume your workspace’s outbound allowance.

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Summary of Restriction Levels

Teams

Manage workspace teams and worker sharing

Understanding Usage Limits

Learn how external messages are counted and capped