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3064215 - Error message XS816 'SMTP communication error' for SMTP messages in SOST

Symptom

  • Outbound messages are sent from SAP system using SMTP protocol.
  • Messages failed with error message XS816 - Message cannot be transferred to node SMTP due to connection error(final).
  • The long text shows: Information from external system (if available) SMTP communication error.

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Environment

  • SAP Netweaver release independent
  • SAP S/4HANA release independent

Product

SAP NetWeaver all versions

Keywords

Message no. XS816, SMTP communication error, ab_IcfRSecReadItemClientDepend failed , KBA , BC-SRV-COM , Communication Services: Mail, Fax, SMS, Telephony , Problem

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