Things to check for
- Create lists.
- Remove lists.
- Post mail to lists.
- Web page usage (subscribing via web, changing subscription options, unsubscribing).
- Email interface usage (subscribing via web, changing subscription options, unsubscribing).
- Web page template correctness.
- Email template correctness.
- Bounce processing.
- Archives.
- Do translated templates match the ones from the original language?