SAP Knowledge Base Article - Preview

2311711 - XS855 - Unable to relay

Symptom

  • E-mails fail in SOST with error message "XS855 - No delivery as sender or receiver address is invalid".

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"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

  • All SAP Basis versions as of release 6.10
  • Microsoft Exchange
  • Microsoft Office365

Product

SAP NetWeaver all versions

Keywords

No delivery as sender or receiver address is invalid, relay, Relay, Mail Server, 365, Exchange, sending, bounce message, 554, 5.7.54, Unable to reply recipient in non-accepted domain,   , KBA , 550 5.1.1 , 550 , 5.1.1 , unknown user , BC-SRV-COM , Communication Services: Mail, Fax, SMS, Telephony , BC-SRV-COM-MSX , obsolete. Please use BC-SRV-COM , How To

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