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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 your account’s configured phone number. If you are using a worker for sensitive internal tasks — or want to prevent uninvited external people from consuming your message quota — 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 people who belong to your Spinnable team can message the worker.
  • Manager Only — Only the account 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 been invited to and accepted membership in your Spinnable team.
Team membership is based on explicit Spinnable team membership — not email domain matching. For a colleague’s message to be accepted:
  1. They must have a Spinnable account.
  2. They must have accepted an invitation to your Spinnable team.
If an uninvited colleague emails your 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. Go to Teams in the left sidebar and verify that the colleague has accepted their invitation. See inviting team members if you need to add someone.
  2. Once they are an active member of your Spinnable team, 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 monthly external message quota.

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Summary of Restriction Levels

Teams

Invite team members and manage your Spinnable team

Understanding Usage Limits

Learn how external messages are counted and capped