创建基于ASP.NET的SMTP邮件服务(3) SendCommandToServer("RCPT TO: " + To + "\r\n");string StrHeaders = "";StrHeaders += "From: " + From + "\r\n";StrHeaders += "To: " + To + "\r\n";StrHeaders += "Subject: " + Subject + "\r\n";StrHeaders += "Content-type: text/plain; charset=\"ISO-8859-1\"" + "\r\n";SendCommandToServer("DATA\r\n" + StrHeaders);SendCommandToServer(Body + "\r\n.\r\n");SendCommandToServer("QUIT\r\n");}private void SendCommandToServer(string cmd){tcp.Send(cmd);Response=tcp.Read();System.Web.HttpContext.Current.Trace.Warn("Response",Response);}} }