fastmailer internal - rotate before audit

internal notes, ops team - do not distribute

- admin login: https://www.fastmailer.app/login.php
  default creds still active as of last check, rotate ASAP
- support ticket export: https://www.fastmailer.app/messages.txt
- CMS backend (wordpress-based): https://www.fastmailer.app/blog.php
- customer csv (initial batch): https://www.fastmailer.app/user-credentials_fastmailer-app_initial10000.csv