How To Fix XS855 - No delivery as sender or receiver address is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: XS - SAPconnect: All messages

• Message number: 855

• Message text: No delivery as sender or receiver address is invalid

What causes this issue?

The message was processed correctly in the SAP system. However, a
subsequent system has classified the sender or receiver address (or
both) as invalid or unknown and has not delivered the message to the
receiver.
Information from external system (if available)
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How to fix this error?

Check the relevant address.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message XS855 - No delivery as sender or receiver address is invalid ?

  The SAP error message XS855, which states "No delivery as sender or receiver address is invalid," typically occurs in the context of SAP's messaging or communication systems, such as when sending emails or messages through the SAP system. This error indicates that either the sender's or receiver's email address is not valid, which prevents the system from processing the delivery.
  Causes:
  
  Invalid Email Address: The sender or receiver email address may be incorrectly formatted (e.g., missing "@" or domain).
  Missing Configuration: The sender's email address may not be configured in the system.
  Inactive User: The user associated with the sender or receiver email address may be inactive or not properly set up in the SAP system.
  System Configuration Issues: There may be issues with the configuration of the SMTP server or other communication settings in the SAP system.
  Authorization Issues: The user may not have the necessary authorizations to send messages.
  
  Solutions:
  
  Check Email Addresses: Verify that both the sender and receiver email addresses are correctly formatted and valid.
  Configure Sender Email: Ensure that the sender's email address is properly configured in the SAP system. This can usually be done in the user profile settings.
  User Activation: Check if the user accounts for both sender and receiver are active and properly set up in the SAP system.
  SMTP Configuration: Review the SMTP settings in the SAP system to ensure that they are correctly configured. This includes checking the SMTP server address, port, and authentication settings.
  Authorization Check: Ensure that the user has the necessary authorizations to send messages. This may involve checking roles and permissions in the SAP system.
  Testing: After making changes, perform a test to see if the issue is resolved. You can use transaction codes like SCOT (SAPconnect) to test email sending.
  
  Related Information:
  
  Transaction Codes: 
  
  SCOT: For configuring SAPconnect settings.
  SU01: For user maintenance to check user settings.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to SAP documentation for detailed information on configuring email settings and troubleshooting communication issues.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.