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3080263 - Mail Adapter returns error "Invalid message content when handling MIME exception"


You have configured an integration flow (iflow) in your SAP Cloud Integration (SCI) tenant. In this iflow, you send a mail to outlook which contains an attachment through the Mail Adapter. 

While processing a message, the following error occurs:

com.sun.mail.smtp.SMTPSendFailedException: 554 5.6.0 Invalid message content when handling MIME exception. IMC53



  • SAP Integration Suite
  • Cloud Integration


Cloud Integration all versions


SAP Cloud Integration, SCI, CI, Mail, Outlook, Microsoft, MS, Error, Attachment, 554, ICM53, MIME, Invalid, 5.6.0, SMTP, SMTPSendFailedException, Adapter , KBA , LOD-HCI-PI-CON-SOAP , SOAP Adapter , Problem

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