Hello,
I am sending mails to external id through FM SO_DOCUMENT_SEND_API1 and the requirement is to get a return receipt as soon as the user reads the mail.
RECLIST-RECEIVER = P_EMAIL. (external mail id)
RECLIST-REC_TYPE = 'U'.
RECLIST-NOTIF_DEL = 'X'.
RECLIST-NOTIF_READ = 'X'.
RECLIST-NOTIF_NDEL = 'X'.
RECLIST-COM_TYPE = 'INT'.

With these parameters, am unable to receive the return receipt. Checked in SOST and SBWP as well.
Could anybody suggest anything?
Regards