SAP Knowledge Base Article - Preview

1629788 - PI Mail Adapter: PLAIN or LOGIN authentication


  • When you are trying to send a mail from Process Integration (PI) to a Mail Server, using the Mail Adapter, you receive the error:
    • server does not support PLAIN or LOGIN authentication


  • The below errors may also be present on the channel:
    Message processing failed. Cause: Failed to call the endpoint [null "null"]; nested exception caused by: server does not support PLAIN or LOGIN authentication server does not support PLAIN or LOGIN authentication



  • PI Release Independent
  • SAP NetWeaver
  • SAP Process Integration


SAP Exchange Infrastructure 3.0 ; SAP NetWeaver all versions ; SAP Process Integration all versions


Exchange Infrastructure, Process Integration 7.0, PI 7.0, PI 7.01, PI 7.02, Process Integration 7.10, PI 7.10, Process Integration 7.11, PI 7.11, Process Integration 7.30, PI 7.30, Process Integration 7.31, PI 7.31, Process Orchestration 7.40, PI 7.40, PO 7.40, Process Orchestration 7.50, PI 7.50, PO 7.50, NetWeaver, XI, AEX, Mail Box, authentication, sender, receiver, SMTPClientConnection, SMTP, Simple Mail Transfer Protocol , KBA , BC-XI-CON-MAI , Mail Adapter , Problem

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