Gets and sets the property ReturnPath. 
            
            The email address to which bounce notifications are to be forwarded. If the message
            cannot be delivered to the            recipient, then an error message will be returned
            from the recipient's ISP; this message will then be forwarded            to the email
            address specified by the             CopyC#            parameter.
CopyC#            parameter.
                   
            ReturnPath
 Declaration Syntax
 Declaration Syntax| C# | 
public string ReturnPath { get; set; }