C# E-mail send

public static void SendMail(string from, string to, string subject, string message)
{
    MailMessage mMailMessage = new MailMessage();

    // Set the sender address of the mail message
    mMailMessage.From = new MailAddress(from);
    // Set the recepient address of the mail message
    mMailMessage.To.Add(new MailAddress(to));

    // Set the subject of the mail message
    mMailMessage.Subject = subject;
    // Set the body of the mail message
    mMailMessage.Body = message;

    // Set the format of the mail message body as HTML
    mMailMessage.IsBodyHtml = false;
    // Set the priority of the mail message to normal
    mMailMessage.Priority = MailPriority.Normal;

    // Instantiate a new instance of SmtpClient
    SmtpClient mSmtpClient = new SmtpClient();
    // Send the mail message
    mSmtpClient.Credentials = new NetworkCredential("USERNAME", "PASSWORD");
    mSmtpClient.Host = "127.0.0.1";
    mSmtpClient.Send(mMailMessage);
    mMailMessage.Dispose();
}