.net 2.0发送邮件（转载）

.net2.0
using System.Net.Mail;
使用：
SendSMTPEMail("100.100.100.100", "someone@xxx.com", "xxxx", "someone@xxx.com", "webtest", TextBox1.Text, null, null);
方法体：
 public void SendSMTPEMail(string strSmtpServer, string strFrom, string strFromPass, string strto, string strSubject, string strBody)
        {
            System.Net.Mail.SmtpClient client = new SmtpClient(strSmtpServer);
            client.UseDefaultCredentials = false;
            client.Credentials = new System.Net.NetworkCredential(strFrom, strFromPass);
            client.DeliveryMethod = SmtpDeliveryMethod.Network;

            System.Net.Mail.MailMessage message = new System.Net.Mail.MailMessage(strFrom, strto, strSubject, strBody);
            System.Net.Mail.Attachment attachment = new System.Net.Mail.Attachment("c:\\log.log");
            message.Attachments.Add(attachment);
            message.BodyEncoding = System.Text.Encoding.UTF8;
            message.IsBodyHtml = true;
            client.Send(message);
        }