摘要：
staticcreatedonlystringsmtpServer=System.Configuration.ConfigurationManager。AppSettings[“SmtpServer”]；staticcreatedonlystringuserName=System.Configuration.ConfigurationManager。AppSettings[“用户名”]；静止的
static readonly string smtpServer = System.Configuration.ConfigurationManager.AppSettings["SmtpServer"]; static readonly string userName = System.Configuration.ConfigurationManager.AppSettings["UserName"]; static readonly string pwd = System.Configuration.ConfigurationManager.AppSettings["Pwd"]; static readonly int smtpPort = Convert.ToInt32(System.Configuration.ConfigurationManager.AppSettings["SmtpPort"]); static readonly string authorName = System.Configuration.ConfigurationManager.AppSettings["AuthorName"]; protected void Page_Load(object sender, EventArgs e) { MailMessage msg = new System.Net.Mail.MailMessage(); msg.To.Add("1833793557@qq.com"); msg.From = new MailAddress(userName, authorName, System.Text.Encoding.UTF8); /* 上面3个参数分别是发件人地址（可以随便写），发件人姓名，编码*/ msg.Subject = "这是测试邮件";//邮件标题 msg.SubjectEncoding = System.Text.Encoding.UTF8;//邮件标题编码 msg.Body = "邮件内容";//邮件内容 msg.BodyEncoding = System.Text.Encoding.UTF8;//邮件内容编码 msg.IsBodyHtml = false;//是否是HTML邮件 msg.Priority = MailPriority.High;//邮件优先级 SmtpClient client = new SmtpClient(); client.Credentials = new System.Net.NetworkCredential(userName, pwd); client.Port = 587; client.Host = smtpServer; client.EnableSsl = true; //经过ssl加密 object userState = msg; //异步发送 client.SendAsync(msg, userState); //同步发送 //client.Send(msg); }