c# 发送email，正文支持html格式，包含附件

 

 1  string v_smtpAddress ="smtp.xxx.com";//smtp地址，如smtp.163.com
 2         string v_sendMailUserName = "userName";//发送邮件使用的用户名
 3         string v_sendMailPassword = "userPwd";//发送邮件使用的密码
 4         string v_sendMailAddress ="phcis@163.com";//发送邮件的mail地址
 5         string v_receiveMailAddress ="phcis@163.com";//接收邮件的mail地址
 6         string v_mailSubject = "邮件主题";//邮件主题
 7 
 8 
 9         SmtpClient smtp = new SmtpClient(v_smtpAddress);
10         smtp.Credentials = new System.Net.NetworkCredential(v_sendMailUserName, v_sendMailPassword);
11         MailMessage mes = new MailMessage();
12 
13         mes.From = new MailAddress(v_sendMailAddress);
14         mes.To.Add(v_receiveMailAddress);
15 
16         mes.Subject = v_mailSubject;
17         mes.Body = TextArea1.Value;
18         mes.IsBodyHtml = true;//使用是否html格式
19 
20          //增加附件
21         System.Net.Mail.Attachment mailAttach_1 = new  Attachment(@"d:\b.txt");
22         mes.Attachments.Add(mailAttach_1);
23         
24         smtp.Send(mes);
25         mailAttach_1.Dispose();//释放由附件占用的资源