Verify Method
Sends a Verification request to the SMTP server.
Syntax
int Verify(const QString& qsEmailAddress);
Remarks
This method asks the MailServer to verify the email address provided in the 'EmailAddress' parameter.
Error Handling
This method returns a result code; 0 indicates success, while a non-zero error code indicates that this method encountered an error during its execution. If an error occurs, the GetLastError() method can be called to retrieve the associated error message. (Note: This method's result code can also be obtained by calling the GetLastErrorCode() method after it returns.)