C#发邮件的代码 (vs2005)
日期：2011-07-11 浏览次数：20540 次
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Net;
using System.Net.Mail;
public partial class sendemail : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
string s_from = TextBox1.Text.Trim().ToString();
string s_to = TextBox3.Text.Trim().ToString();
string pwd=TextBox2.Text .Trim().ToString();
string s_body =TextBox5.Text.Trim().ToString();
s_body = s_body.Replace("\r\n","<br/>");
s_body = s_body.Replace("\n", "<br/>");
s_body = s_body.Replace(" ", " ");
int i = s_from.IndexOf("@");
string username = s_from.Substring(0,i);
MailAddress from = new MailAddress(s_from);
MailAddress to = new MailAddress(s_to);
MailMessage mailobj = new MailMessage(from ,to);
mailobj.Subject = TextBox4.Text.Trim().ToString();
mailobj.Body = s_body;
mailobj.IsBodyHtml = true;
mailobj.BodyEncoding = System.Text.Encoding.GetEncoding("GB2312");
mailobj.Priority = MailPriority.High;
if (FileUpload1.PostedFile.ContentLength > 0)
{
mailobj.Attachments.Add(new Attachment( FileUpload1.PostedFile.FileName));
}
SmtpClient smtp = new SmtpClient("smtp.163.com");
// smtp.Host = "smtp.163.com";
smtp.UseDefaultCredentials = false;
smtp.Credentials = new NetworkCredential(username,pwd);
smtp.DeliveryMethod = SmtpDeliveryMethod.Network;
try {
smtp.Send(mailobj);
Response.Write("ok!");
}
catch
{
Response.Write("sorry!");
}
}
}
////因为用的邮箱都是163的,所以就设置了smtp的地址是163的地址,如果用别的邮箱,只要smtp的地址改下就可以了.
