Messages (Email, SMS, etc.) being transferred via SMTP are failing with error message XS609 - Currently no delivery to RECIPIENTEMAILADDRESS, as recipient cannot be reached.
The long text of the error message shows 450 4.7.1 Client host rejected: cannot find your hostname, [IP Address]
- In the ICM trace (KBA 2351619) the follow is seen: SMTP PlugInHandleNetData: reply = 450 4.7.1 Client host rejected: cannot find your hostname, [IP Address]
- The SAPconnect trace (KBA 1639935) shows the following:
0103 MAP_SMTP_RESPONSE | |SMTP Response:
0103 MAP_SMTP_RESPONSE | |N RECIPIENTEMAILADDRESS C450 M450 4.7.1 Client host rejected: cannot find yo
0103 MAP_SMTP_RESPONSE | |ur hostname, [IP Address]
"Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental."
- Release Independent
450 4.7.1, , KBA , BC-SRV-COM , Communication Services: Mail, Fax, SMS, Telephony , Problem
About this pageThis is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP ONE Support launchpad (Login required).
Search for additional results
Visit SAP Support Portal's SAP Notes and KBA Search.