SAP Knowledge Base Article - Preview

2593171 - Error XS806 "No delivery to ..., invalid recipient address" with long text message "550 5.7.1 Unable to relay" occurs while sending mail through SMTP

Symptom

Following error occurs while sending mail via SMTP node in SAPconnect:
XS806 "No delivery to ..., invalid recipient address"

And the long text of the message contains following information:
550 5.7.1 Unable to relay


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Environment

  • SAP Basis Release 610 and higher
  • SAPconnect
  • SMTP interface 

Product

SAP NetWeaver all versions

Keywords

XS806, SCOT, 550 5.7.1, Unable to relay , KBA , BC-SRV-COM , Communication Services: Mail, Fax, SMS, Telephony , Problem

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