How To Fix /SMB/TRANSP_INFRA639 - Error: Email cannot be sent

/SMB/TRANSP_INFRA639 - Overview

• Message type: E = Error

• Message class: /SMB/TRANSP_INFRA -

• Message number: 639

• Message text: Error: Email cannot be sent

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SMB/TRANSP_INFRA639 - Error: Email cannot be sent ?

  The SAP error message /SMB/TRANSP_INFRA639 indicating that "Email cannot be sent" typically arises in the context of the SAP Business One system, particularly when there are issues related to the email configuration or the underlying infrastructure that supports email sending.
  Causes:
  
  Email 
  Configuration Issues: The SMTP server settings may not be correctly configured in SAP Business One. This includes incorrect server address, port number, or authentication details.
  Network Issues: There may be network connectivity problems preventing the SAP system from reaching the SMTP server.
  Firewall Restrictions: A firewall may be blocking the outgoing email traffic from the SAP system to the SMTP server.
  SMTP Server Issues: The SMTP server itself may be down or experiencing issues.
  User Permissions: The user account configured for sending emails may not have the necessary permissions or may be locked.
  Email Format Issues: The email content or format may not comply with the SMTP server's requirements.
  
  Solutions:
  
  
  Check SMTP Configuration:
  
  Go to the SAP Business