This FAQ is out of date and has been retired. Most of what it covered can now be done in your portal, without contacting support:
Custom domain: How to set up a custom portal domain
Client plan changes: How to upgrade or downgrade subscriptions
Email text and notifications: How to edit email templates and Notification emails in ManyRequests
To change your own email address, go to Settings > Profile and account. To delete your ManyRequests account, send us a chat message.