The most efficient and standard way to automate case creation from inbound emails is by using Email-to-Case. When setting up Email-to-Case, the Platform Administrator configures "Routing Addresses". For each routing address (e.g., [email protected] or [email protected]), the administrator can specify a default owner or queue for the cases created via that specific address. This ensures that when a customer sends an email to the "Support" address, it is automatically routed to the Support Queue, and an email to the "Billing" address is routed to the Billing Queue. This configuration is handled directly within the Email-to-Case setup pages and does not require additional escalation rules (Option A) or complex custom flows (Option C) for the initial assignment. While a custom email service (Option B) is possible, it is a developer-centric approach that is generally unnecessary given the robust native capabilities of the standard Email- to-Case feature. This setup streamlines the intake process and ensures that customer issues are immediately visible to the correct service team.