Dev.to
6/30/2026

Route inbound mail to the right agent automatically
Short summary
Most AI email agents route all messages through a single LLM classifier, coupling routing to agent scaling. Better pattern: use platform rules (deterministic, server-side, free) to fan inbound emails into specialty folders before agents see them—sender-based via rules, fuzzy classification via app-side logic. Each agent stays focused; routing stays auditable.
- •Fan-out architecture beats single-classifier design for multi-specialty mailboxes
- •Sender-based routing via rules is deterministic and free; content-based routing via app-side classification
- •Each specialist agent handles one job type independently; workers scale without redeploying the entire system
Generated with AI, which can make mistakes.
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