Short answer: choose a transactional email API by the evidence it can preserve for each marketplace order notice, then validate domain authentication and template revision control before comparing developer ergonomics. A fast Node. js integration is useful; it is not proof that a seller was noti...
Source: [Dev.to](https://dev.to/rivenor85/seller-notification-evidence-transactional-email-api-and-domain-verification-11ll)