SmtpClient smtpClient = new SmtpClient();
        MailMessage mess = new MailMessage();
        MailAddress mittente = emailAzienda;
        mess.From = mittente;
        mess.IsBodyHtml = true;
        mess.Subject = "Ultime novità inserite";

        CentroNauticoAnnunci.cod.cnlDataSetTableAdapters.utentiNewsletterDataTableTableAdapter ta = new CentroNauticoAnnunci.cod.cnlDataSetTableAdapters.utentiNewsletterDataTableTableAdapter();
        CentroNauticoAnnunci.cod.cnlDataSet.utentiNewsletterDataTableDataTable table = ta.GetData();
        foreach (CentroNauticoAnnunci.cod.cnlDataSet.utentiNewsletterDataTableRow row in table.Rows)
        {
            mess.To.Add(new MailAddress(row.Email, row.Nominativo));
            string body = testNewsletter.Replace("Nominativo", row.Nominativo);

            AlternateView htmlView = AlternateView.CreateAlternateViewFromString(body, null, "text/html");

            LinkedResource logo = new LinkedResource(server.MapPath("~/images/logoEmail.jpg"));
            logo.ContentId = "logo";
            htmlView.LinkedResources.Add(logo);

            LinkedResource image = new LinkedResource(server.MapPath(linkImage), MediaTypeNames.Image.Jpeg);
            image.ContentId = "foto";
            htmlView.LinkedResources.Add(image);

            mess.AlternateViews.Add(htmlView);
            smtpClient.Send(mess);

            htmlView.LinkedResources.Clear();
            mess.AlternateViews.Clear();
            mess.To.Clear();
        }

        mess.Dispose();
        string path = server.MapPath(linkImage);
        File.Delete(path);