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Welcome to the shared mailbox email classification module wiki.

This wiki documents the setup, implementation, and operation of the email classification system for Microsoft Power Platform and Copilot Studio.

Phases

• Phase 1: Shared Mailbox Skill & Connector - includes Security Hardening checklist
• Phase 2: Classification via Table
• Phase 3: Draft Creation
• Phase 4: Override/Change Classification
• Phase 5: MCP Server Integration
• Phase 6: BART Classifier

Quick Start

1. Review the Phase 1 setup guide
2. Deploy the backend service, then set up the custom connector and/or SharedMailboxSkills
3. Test with the provided sample workflows

Project Structure

• backend-service/ - Flask backend (app.py, requirements.txt) plus its deployment and security-hardening PowerShell scripts (backend-service/scripts/)
• custom-connector/ - OpenAPI definition and setup guide for the standard Copilot Studio harness
• SharedMailboxSkills/ - Skill/action definition and setup guide for the GitHub Copilot harness (parallel executable skills)
• docs/wiki/scripts/ - Shared app-registration scripts (test-app-registration.ps1, grant-mailbox-permissions.ps1) and Phase 2 Dataverse scripts

Scripts

All PowerShell scripts include copyright headers.

• docs/wiki/scripts/test-app-registration.ps1, docs/wiki/scripts/grant-mailbox-permissions.ps1 - Phase 1 app registration and mailbox access policy (shared by all harnesses)
• backend-service/scripts/create-app-service.ps1, configure-app-service.ps1, test-backend.ps1 - Phase 1 backend service deployment
• backend-service/scripts/enable-backend-auth.ps1, configure-allowlist.ps1, secure-client-secret.ps1, restrict-network-access.ps1, review-backend-logs.ps1 - Phase 1 security hardening
• docs/wiki/scripts/setup-classification-table.ps1, create-sample-classifications.ps1 - Phase 2 classification table setup

License & Copyright

(c) 2026 Holger Imbery (contact@holgerimbery.blog)

All code and documentation in this module are copyright protected. See LICENSE file for details.