Symptom
-
Messages (Email, SMS, etc.) being transferred via SMTP are failing with error message XS609 - Currently no delivery to RECIPIENTEMAILADDRESS, as recipient cannot be reached.
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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."
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Environment
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SAP NetWeaver
- Release Independent
Keywords
450 4.7.1,xs609, Client host rejected: cannot find your hostname,Sost error
, KBA , BC-SRV-COM , Communication Services: Mail, Fax, SMS, Telephony , Problem
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