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Question

jmail.Message Msg=new jmail.Message();
jmail.POP3 jpop = new jmail.POP3();
jpop.Connect(Uname,Pwd,PopServer,int port);

Answer 1

jmail.SMTPMailClass jsm=new jmail.SMTPMailClass();
jsm.Sender ="";

Answer 2

估计你用的不是Jmail而是微软的System.Web.Mail
MailMessage myMessage=new MailMessage();
myMessage.From=cs_person.get_Email;
myMessage.To=tb_Email.Text;
//高优先级邮件
myMessage.Priority=System.Web.Mail.MailPriority.High;
myMessage.Subject="www.hrday.com 发送的招聘信息";
myMessage.Body=mailBody;myMessage.BodyFormat=MailFormat.Html;
//SmtpMail.SmtpServer="localhost";SmtpMail.Send(myMessage);