public void SenderMail(MailInfo m) { MailMessage mail=new MailMessage();// mail.From="dingchungao@163.com"; mail.From=System.Configuration.ConfigurationSettings.AppSettings["MailFromString"].ToString(); mail.To=m.Tostr; mail.Subject=m.Subject; mail.Body=m.Body; mail.BodyFormat=MailFormat.Html;// string userName="dingchungao";// string pwd="******"; mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpauthenticate","1"); mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendusername",System.Configuration.ConfigurationSettings.AppSettings["MailUserNameString"].ToString()); mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendpassword",System.Configuration.ConfigurationSettings.AppSettings["MailPwd"].ToString()); System.Web.Mail.SmtpMail.SmtpServer=System.Configuration.ConfigurationSettings.AppSettings["SmtpServer"].ToString(); SmtpMail.Send(mail); return; } 使用: mail.Tostr=newuser.Email; mail.Subject="易购网用户注册确认"; mail.Body="本邮件为系统自动生成,请勿回复!<br>" +"<p>"+newuser.Name+"</p> 您好!<p></p>欢迎您成为我们的会员,以下是您的详细注册信息:<p></p>" +"用户名:"+newuser.UserName+"<br>" +"密码:"+newuser.Password+"<br>" +"提示问题:"+newuser.Problem+"<br>" +"提示问题答案:"+newuser.Answer+"<br>" +"请您妥善保管您的资料!"+"<br>" +"<a href='http://59.67.89.25/Easybuy/default.aspx' target='_blank'>进入易购商城</a>"; adduser.SenderMail(mail); 转载于:https://www.cnblogs.com/feiren1421/archive/2006/04/26/385693.html