Email: Error 550 – No Such User
You will receive a No Such User bounce back message when you attempt to send a message to an email that does not exist. Until the administrator creates the email account, or you correct the email address (if mistyped), you will be unable to send them a message. Below is what a version of the bounce back could look like.
This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:
No Such User Here
For information on how to create email accounts, please click here.
This error can also be caused if the email routing is incorrectly configured when using an external/remote mail host. For more information regarding this, please see this article.
