C#实现邮件群发常常应用于网络营销,在网络营销方面卖的很火,大家完全可以做一个专业的群发软件去赚钱。
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附上邮件发送的基本代码:本例子中使用的QQSMTP
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.IO;
namespace 邮件发送 { public partial class btnSend : Form { public btnSend() { InitializeComponent(); } private void btnSendMail_Click(object sender, EventArgs e) { try { MailAddress Messagefrom = new MailAddress(this.txtSend.Text,"C#仰望着"); //发件人邮箱地址 string MessageTo = this.txtTo.Text; //收件人邮箱地址 string MessageSubject = this.txtSubject.Text; //邮件主题 string MessageBody = this.txtBody.Text; //邮件内容 Send(MessageTo, MessageSubject, MessageBody,Messagefrom); } catch (Exception ex) { MessageBox.Show(ex.Message); } }
private void btnSend_Load(object sender, EventArgs e) { this.txtCounter.Text ="3"; this.txtSend.Text = "邮箱"; this.txtSenderPwd.Text = "密码"; this.cbHost.SelectedIndex = 0;//combobox选择当前列表中的第一个值 }
private void btnReset_Click(object sender, EventArgs e) { try { foreach (Control control in this.Controls) { if (control is TextBox) { TextBox txt = control as TextBox; if (txt != null) { txt.Text = ""; } this.txtSend.Text = "邮箱"; this.txtSenderPwd.Text = "密码"; } } } catch (Exception ex) { MessageBox.Show(ex.Message); } }
private void cbHost_SelectedIndexChanged(object sender, EventArgs e) { cbHost.Text = cbHost.SelectedItem.ToString();//combobox获得当前选择的值。 }
public void Send(string MessageTo, string MessageSubject, string MessageBody, MailAddress Messagefrom) {
try { txtTo.Text = txtTo.Text.Replace(" ", "");//去除空格 txtTo.Text = txtTo.Text.Trim(); txtTo.Text = txtTo.Text.Replace((char)13, (char)0); MailMessage email = new MailMessage(); email.From = Messagefrom; email.To.Add(MessageTo);//收件人邮箱地址可以是多个以实现群发 email.Subject = MessageSubject; email.Body = MessageBody; email.IsBodyHtml = false; //是否为html格式 email.Priority = MailPriority.Normal; //发送邮件的优先等级 SmtpClient sc = new SmtpClient(); sc.Host = cbHost.Text; //指定发送邮件的服务器地址或IP sc.Port = 25;//指定发送邮件端口 sc.DeliveryMethod = SmtpDeliveryMethod.Network;//指定如何发送电子邮件 sc.UseDefaultCredentials = false;//是否随请求一起发送 sc.EnableSsl = false;//安全连接设置 sc.Credentials = new System.Net.NetworkCredential(this.txtSend.Text, this.txtSenderPwd.Text); //指定登录服务器的用户名和密码 sc.Send(email); MessageBox.Show("邮件发送成功!","系统提示"); } catch (Exception e) { MessageBox.Show(e.Message); } }
#region 打开文件并且显示在richtextbox控件中 string fileName; private void btnOpenFile_Click(object sender, EventArgs e) { OpenFileDialog op = new OpenFileDialog(); op.Filter = "文本文件(*.txt)|*.txt"; op.AddExtension = true; op.DefaultExt = "txt"; op.CheckFileExists = true; op.CheckPathExists = true; if (op.ShowDialog() == DialogResult.OK) { fileName = op.FileName; try { FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read); if (fs.CanRead) { //读取时加入编码信息,否则读取汉字会乱码 StreamReader sr = new StreamReader(fs, Encoding.Default); string strline = sr.ReadLine(); StringBuilder sb = new StringBuilder(); int counter = 0; while (strline != null&&counter<Convert.ToInt32(this.txtCounter.Text.ToString())) { strline = sr.ReadLine()+","; sb = sb.Append(strline); ++counter; } txtTo.Text = sb.ToString().Remove(sb.ToString().LastIndexOf(","), 1); sr.Close(); //s = s.Replace(" ", ""); } } catch (Exception ex) { MessageBox.Show(ex.Message); }
}
} #endregion #region 关闭系统的代码 private void btnSend_FormClosing(object sender, FormClosingEventArgs e) { if (MessageBox.Show("确实要退出本系统吗?", "系统提示", MessageBoxButtons.OKCancel)==DialogResult.OK) { this.Dispose(); Application.Exit(); e.Cancel = false; } else { e.Cancel = true;//阻止退出系统 } } #endregion #region 系统最小化的设置 private void btnSend_SizeChanged(object sender, EventArgs e) { if (this.WindowState == FormWindowState.Minimized) { this.Hide(); this.notifyIcon1.Visible = true; } } #endregion
private void notifyIcon1_Click(object sender, EventArgs e) { this.Visible = true; this.WindowState = FormWindowState.Normal; this.notifyIcon1.Visible =true; }
private void 退出ToolStripMenuItem_Click(object sender, EventArgs e) { this.Dispose(); Application.Exit(); }
private void 打开ToolStripMenuItem_Click(object sender, EventArgs e) { this.WindowState = FormWindowState.Normal; this.notifyIcon1.Visible = true; this.Visible = true; }
private void 隐藏ToolStripMenuItem_Click(object sender, EventArgs e) { this.notifyIcon1.Visible = false; } } }
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