How To Fix SO557 - You can only send to & X.400 addresses

SAP Error Message - Details

• Message type: E = Error

• Message class: SO - SAPoffice: message texts

• Message number: 557

• Message text: You can only send to & X.400 addresses

What causes this issue?

The maximum number of recipients allowed per send operation was
exceeded. This number is defined in the SAP user master.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check your Office user to see how many recipients you can address. To
send the document to all recipients, carry out several send operations.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SO557 - You can only send to & X.400 addresses ?

  The SAP error message SO557, which states "You can only send to & X.400 addresses," typically occurs when there is an attempt to send an email or message to an address that is not recognized as a valid X.400 address format in the SAP system. This error is often encountered in the context of SAP's communication and messaging functionalities, particularly when using the SAPconnect interface for email communication.
  
  Cause:
  
  Invalid Address Format: The address you are trying to send to does not conform to the X.400 address format. X.400 addresses have a specific structure that must be followed.
  
  Configuration Issues: The SAP system may not be properly configured to handle X.400 addresses, or the necessary communication settings may not be in place.
  Missing or Incorrect Settings: The settings for the SAPconnect configuration might be incomplete or incorrect, leading to the inability to send messages to the specified address.
  
  
  Solution:
  
  Check Address Format: Ensure that the email