Send an Email over SharePoint and .Net (Gmail)

              Send an Email over SharePoint and .Net(Gmail):

        public bool sendAnEmail(SPListItem item)
        {
             SPWeb thisWeb = item.ParentList.ParentWeb;
            string subject = string.Empty;
            string from = "test@Domain.co.in";
            string toField = string.Empty;
            string bodyText = string.Empty;
            string cc = string.Empty;

            string testCode = GetItemFieldvalue("testCode", item);          
            subject = "T Test Creation of [" + testCode + "] failed";
           
            from = "Test@Domain.co.in";
            string emailUsers = getListOf_JobEmail_NotificationUsers(thisWeb);
            if (emailUsers !="")
            {
                toField = emailUsers;
            }
            else
            {
                toField = "test@domain.co.in";
            }  

            string header = "Hi," + "<br />" + "<br />";
            string body = "Test creation with testCode: " +testCode+" & Item ID: [" + item.ID + "] has been failed, please go through it and review." + "<br />" + " " + "<br />";
            string footer = "Thanks ," + "<br />" + "\n (It is an auto generated an email do not reply.)";
            bodyText = header + body + footer;
                     
            bool success = SPUtility.SendEmail(thisWeb, true, true, toField, subject, bodyText);
            SendAnEmail_Net(toField, subject, bodyText);  
            return success;
                     
        }

        public void SendAnEmail_Net(string toField, string subject, string bodyText)
        {
            SmtpClient client = new SmtpClient();
            client.Port = 587;
            client.Host = "smtp.gmail.com";
            client.EnableSsl = true;
            client.Timeout = 10000;
            client.DeliveryMethod = SmtpDeliveryMethod.Network;
            client.UseDefaultCredentials = false;
            client.Credentials = new System.Net.NetworkCredential("Test@gmail.com", "*****");
               
            MailMessage mm = new MailMessage("Tets@gmail.com", toField, subject, bodyText);
            mm.IsBodyHtml = true;
            mm.BodyEncoding = UTF8Encoding.UTF8;
            mm.DeliveryNotificationOptions = DeliveryNotificationOptions.OnFailure;

            client.Send(mm);

        }