shop/doc/core-apps/mail/features.md

• mail
  • MailProvider service registered via DI; SMTP implementation (Mailhog in dev, real SMTP in prod)
  • Jinja2 templates with DE/EN i18n
  • no public routes — used by other apps (e.g. orders) through DI
  • depends on: core
  • room for growth: outbound queue with retries, provider abstraction (SendGrid, Postmark, SES), richer transactional templates, bounce/complaint handling