Confirmation of Receipt of Internet Messages
Use
Some recipients of Internet messages do not send back confirmations of receipt. This is usually because the recipient is using an older version of the Internet mail log. This has the following effects in the R/3 System:
If you know such recipients and do not want the status to remain as In transit, you can specify that confirmation of receipt is not expected for these recipients. This means that the status Sent successfully (that is, transmitted by the external communication system to the Internet) is regarded as the final status for messages to these recipients.
Procedure
Confirmation of receipt as a rule
Confirmation of receipt as an exception
Result
Sent successfully
is regarded as the final status for messages sent to those recipients who you do not expect to send confirmation of receipt.