Exchange Online Solution Architecture: Advanced Mail-Flow & Domain Integration. Engineered a complex email-based solution for a development project integrating Office 365 and Exchange. I managed the full lifecycle from architectural planning to implementation, focusing on shared mailbox optimization and sophisticated mail-flow logic.

Key challenges solved:

​Conversation Threading: Managed Message IDs and In-Reply-To headers to ensure seamless threading across shared environments.

Multi-Domain Architecture: Configured, migrated and validated multiple domains on a single tenant while maintaining distinct identities.

Outlook/EXO Behavior: Handled 'Full Access', 'Send As' permissions and synchronized folder-level access behavior across diverse device types.

Mail-Flow Rules: Built accurate transport rules using unique 'Amadeus' indicators and header analysis to automate complex routing.

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