How To Fix IV638 - Cannot send express mail to & (return code &)

IV638 - Overview

• Message type: E = Error

• Message class: IV - Elementary Steps of Incremental Conversion (ICNV)

• Message number: 638

• Message text: Cannot send express mail to & (return code &)

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 IV638 - Cannot send express mail to & (return code &) ?

  The SAP error message IV638, which states "Cannot send express mail to & (return code &)," typically occurs when there is an issue with the configuration or functionality of the email system integrated with SAP. This error can arise due to various reasons, including incorrect email settings, issues with the mail server, or problems with the recipient's email address.
  Causes:
  
  Incorrect Email Configuration: The settings for the SMTP server or the email client in SAP may not be configured correctly.
  Mail Server Issues: The mail server may be down, misconfigured, or experiencing connectivity issues.
  Invalid Recipient Address: The email address specified may be incorrect or not formatted properly.
  Authorization Issues: The user may not have the necessary permissions to send emails from the SAP system.
  Return Code Issues: The return code mentioned in the error message can provide specific insights into the nature of the problem (e.g., authentication failure, server not reachable, etc.).
  
  Solutions:
  
  
  Check Email Configuration:
  
  Verify the