While sending mails from an SAP system through SMTP node, following error occurs in transaction SOST:
No delivery to &1, authentication required
In the long text of the message additional information might be displayed:
530 5.7.1 Client was not authenticated
- SAP Basis Release 731 and higher
- SMTP interface
Keine Auslieferung an, Authentifizierung erforderlich, authentication procedure, SMTP PlugInHandleNetData, NTLM#, GSSAPI NTLM LOGIN, LOGIN#, PLAIN, EXTERNAL , KBA , xs853 , xs 853 , xs 856 , BC-SRV-COM , Communication Services: Mail, Fax, SMS, Telephony , BC-SRV-COM-INT , Internet Mail Gateway , Problem
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