N-009Messaging
Protected Inbox
The Null inbox is divided into permission layers, so unknown senders never land directly in a primary conversation list.
Updated August 2026 · 3 minute read
The Null inbox is divided into permission layers.
INBOX
├── Trusted
├── Contacts
├── Knock Requests
├── Groups
├── Payments
└── QuarantineTrusted
Messages from explicitly trusted identities.
Contacts
Accepted conversations and established relationships.
Knock Requests
Contact requests from unknown senders — see The Knock System.
Payments
Invoices, payment requests, receipts, and escrow updates.
Quarantine
Messages that match spam, phishing, impersonation, or malicious-file signals.
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