C# 发邮箱包含附件 2017.12.29

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




namespace Mail_Test
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        public bool Sendmail(String strAttachfile)
        {
            String mailFrom = "1507****@qq.com";//收件人账号
            String mailTo = "904275369@qq.com";
            MailMessage mm = new MailMessage(mailFrom, mailTo);
            mm.Subject = "Test mail";
            mm.Body = "Please Check attachment.";
            Attachment dataAttachment = new Attachment(strAttachfile);