How to Route Password Reset Email Templates — An Ownership Decision for Signup SREs

The page says password_reset_delivery_failed , and the on-call sees a signup queue growing while users wait for a verification link. The least complex fix is usually a single reusable template behind a stable application contract. Keep the reset token, recipient, and expiry owned by the signup service; let the delivery provider own rendering and transport only when that boundary is worth the operational trade.

Short answer: choose a provider-hosted template when several teams need consistent copy and you can accept provider-specific template management. Choose an application-rendered template when review, localization, or portability requires the source to live with the code.…