C#发送邮件实例(入门级)

【实例简介】

C#发送邮件实例

【实例截图】

【核心代码】

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Net;
using System.Net.Mail;
using System.Text;
using System.Threading;
using System.Windows.Forms;

namespace SendEmail
{
    public partial class FrmMain : Form
    {
        public FrmMain()
        {
            InitializeComponent();
        }

        private void btnSend_Click(object sender, EventArgs e)
        {
            string senderEmail = txtSenderEmail.Text.Trim();
            string emailBoxPwd = txtEmailBoxPwd.Text.Trim();
            string senderName = txtSenderName.Text.Trim();
            string emailTitle = txtEmailTitle.Text.Trim();
            string emailContent = txtEmailContent.Text.Trim();

            string[] recEmail = txtRecEmail.Text.Split('\n');


            for (int i = 0; i < recEmail.Length; i  )
            {
                if (SendEmail(recEmail[i], senderEmail, senderName, emailTitle, emailContent, emailBoxPwd))
                {
                    btnSend.Text = "已发送"   (i   1)   " / "   recEmail.Length;
                }
            }
            btnSend.Text = "发送";
        }

        public bool SendEmail(string recEmail, string senderEmail, string senderName, string emailTitle, string emailContent, string emailBoxPwd)
        {
            try
            {
                MailMessage msg = new MailMessage();

                msg.To.Add(recEmail);//收件人地址

                msg.From = new MailAddress(senderEmail, senderName);//发件人邮箱，名称  

                msg.Subject = emailTitle;//邮件标题  
                msg.SubjectEncoding = Encoding.UTF8;//标题格式为UTF8  

                msg.Body = emailContent;//邮件内容  
                msg.BodyEncoding = Encoding.UTF8;//内容格式为UTF8  

                SmtpClient client = new SmtpClient();

                client.Host = "smtp.qq.com";//SMTP服务器地址  
                client.Port = 587;//SMTP端口，QQ邮箱填写587  

                client.EnableSsl = true;//启用SSL加密  

                client.Credentials = new NetworkCredential(senderEmail, emailBoxPwd);//发件人邮箱账号，密码  

                client.Send(msg);//发送邮件  

            }
            catch (Exception)
            {
                return false;
            }
            return true;
        }

    }
}