Send Email to Multiple Address

public static void SendQuickMails(string from, string to, string subject, string body)
{
    MailMessage mailMsg = new MailMessage();
    mailMsg.From = new MailAddress(from);

    string[] tos = to.Split(';');
    for (int a = 0; a < tos.Length; a++)
    {
        if (tos[a].Trim().Length != 0)
            mailMsg.To.Add(new MailAddress(tos[a]));
    }

    mailMsg.Subject = subject;
    mailMsg.Body = body;
    mailMsg.IsBodyHtml = true;
    mailMsg.Priority = MailPriority.High;

    SmtpClient mSmtpClient = new SmtpClient(); //provide your user name or password here
    mSmtpClient.Send(mailMsg);
}