| 摘要 |
The invention concerns a mixed method for tangible and intangible mail transmission between a sender and a recipient, comprising the following steps: sending the mail in intangible form to a specialised relay centre service (12); routing this mail in intangible form between this relay centre (12) and at least a delivery office (15); duplicating this mail in tangible form; delivering the mail in tangible form to each recipient; comprising the handing to the recipient of a receipt acknowledgement in tangible form and the return thereof to the sender. |
