private void startReceive() { QuerysDb querysDb = new QuerysDb(); var emails = querysDb.SelectEmails(); for (int key = 0; key < emails.Rows.Count; key++) { if (!backList.Contains(emails.Rows[key][1].ToString())) { if (!string.IsNullOrWhiteSpace(emails.Rows[key][1].ToString())) { mail_grid.Rows.Add(false, emails.Rows[key][3].ToString(), emails.Rows[key][4].ToString(), emails.Rows[key][5].ToString(), emails.Rows[key][6].ToString()); backList.Add(emails.Rows[key][1].ToString()); } } } Thread thread = new Thread(() => { try { var client = new Pop3Client(); client.Connect("pop.mail.yahoo.com", 995, true); client.Authenticate(Toemail, Topass); var count = client.GetMessageCount(); OpenPop.Mime.Message message = client.GetMessage(count); // var mailbody = ASCIIEncoding.ASCII.GetString(message.RawMessage); StringBuilder builder = new StringBuilder(); OpenPop.Mime.MessagePart plainText = message.FindFirstPlainTextVersion(); if (plainText != null) { CreateDb.ExecuteSqlCommand($"INSERT INTO box_mail (dateId, mail_from, subject, body, tipo) VALUES('{message.Headers.Date.Trim()}','{message.Headers.From}','{message.Headers.Subject.Trim()}','{plainText.GetBodyAsText()}', 'text')"); } else { // Might include a part holding html instead OpenPop.Mime.MessagePart html = message.FindFirstHtmlVersion(); if (html != null) { CreateDb.ExecuteSqlCommand($"INSERT INTO box_mail (dateId, mail_from, subject, body, tipo) VALUES('{message.Headers.Date.Trim()}','{message.Headers.From}','{message.Headers.Subject.Trim()}','{html.GetBodyAsText()}', 'html')"); } } } catch (Exception ex) { MessageBox.Show(ex.Message); // corpo_email.AppendText(ex.Message + "\r\n"); } }) { IsBackground = true }; thread.Start(); }