/// <summary>
/// Starts server listening to the specified port with a simulated delay when processing a new SMTP message.
/// </summary>
/// <param name="port">The port.</param>
/// <param name="processingDelayInMilliseconds">The number of milliseconds to wait before processing a new SMTP message</param>
/// <returns></returns>
public static SimpleSmtpServer Start(int port, int processingDelayInMilliseconds)
{
return(SimpleSmtpServer.Start(Configuration.Configure()
.WithPort(port)
.WithProcessingDelay(processingDelayInMilliseconds)
));
}