How To Fix SO556 - You can only send messages to & Internet recipients

SAP Error Message - Details

• Message type: E = Error

• Message class: SO - SAPoffice: message texts

• Message number: 556

• Message text: You can only send messages to & Internet recipients

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 SO556 - You can only send messages to & Internet recipients ?

  The SAP error message SO556, which states "You can only send messages to & Internet recipients," typically occurs when you are trying to send an email or message to an external recipient (an Internet address) but the system is not configured to allow this action. Here are the potential causes, solutions, and related information for this error:
  Causes:
  
  Configuration Settings: The SAP system may not be configured to allow sending emails to external (Internet) addresses. This could be due to settings in the SAPconnect configuration.
  Recipient Address Format: The email address you are trying to send to may not be in the correct format or may not be recognized as a valid Internet address.
  Authorization Issues: The user may not have the necessary authorizations to send emails to external recipients.
  Mail Server Issues: There could be issues with the mail server configuration or connectivity that prevent sending emails to external addresses.
  
  Solutions:
  
  
  Check SAPconnect Configuration:
  
  Go to transaction code SCOT (SAPconnect Administration).
  Ensure that the settings for the SMTP node are correctly configured to allow sending emails to external addresses.
  Check the "Internet" settings and ensure that the "Send to Internet" option is enabled.
  
  
  
  Verify Recipient Email Address:
  
  Ensure that the email address you are trying to send to is correctly formatted (e.g., [e-mail]).
  Check for any typos or invalid characters in the email address.
  
  
  
  User Authorizations:
  
  Verify that the user has the necessary authorizations to send emails to external recipients. This may involve checking roles and authorizations in the user profile.
  
  
  
  Mail Server Configuration:
  
  Check the configuration of the mail server (e.g., SMTP server) to ensure it is set up to relay emails to external addresses.
  Ensure that there are no firewall or network issues preventing the SAP system from connecting to the mail server.
  
  
  
  Testing:
  
  After making any changes, test sending an email to an external address to confirm that the issue has been resolved.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the SAP documentation on SAPconnect and email configuration for more detailed guidance on setting up and troubleshooting email sending capabilities.
  Support: If the issue persists after checking the above points, consider reaching out to your SAP Basis team or SAP support for further assistance.
  
  By following these steps, you should be able to identify and resolve the issue causing the SO556 error message in SAP.