1. On the bill import page, there is a mailbox management area to delete the mailboxes that have been automatically imported;

2. For existing bills, there is a delete button at the bottom of the details page of each bill to delete;

3. For mailboxes with forwarding rules set, users need to manually delete the forwarding rules in their mailboxes. Please consult customer service for specific operation.

4. Finally, uninstall the application from the mobile phone.