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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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Environment

  • All SAP versions as of Basis 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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