Error: System I/O error.
This error indicates that the Source or Destination IMAP system experienced an I/O error, preventing a read or write. These errors are entirely outside our control and are used by the IMAP system to report an outage or data corruption problem.
We recommend the following:
- Contact your hosted service provider or email system administrator.
- Log the subject of failed items.
- Retry failed items (subjects will be logged).