FRAISA webtransfer : Matrix

Accessed from	Sender's address	Recipient's address	Method
Internal network	internal	internal	direct transfer
Internal network	internal	external	direct transfer
Internal network	external	internal	forbidden
Internal network	external	external	forbidden
Internet	internal	internal	Sender receives an upload ticket
Internet	internal	external	Sender receives an upload ticket
Internet	external	internal	Confirmation from recipient will be requested OK → Sender receives an upload ticket
Internet	external	external	forbidden

* Once a transfer request for an email address has been approved, the respective pair of sender and recipient addresses is considered trustworthy. In this case, future transfers will take place without further confirmation. In addition, email addresses that have already been authorised for multiple destination addresses can also be automatically approved, depending on the system settings.