private void btnLogin_Click(object sender, EventArgs e)
{
Cursor.Current = Cursors.WaitCursor;
TcpClient SmtpServer = new TcpClient("smtp.viettel.com.vn", 465);
SslStream SmtpStream = new SslStream(SmtpServer.GetStream());
TcpClient Pop3Server = new TcpClient("pop3.viettel.com.vn", 995);
SslStream Pop3Stream = new SslStream(Pop3Server.GetStream());
user = txtUser.Text;
password = txtPassword.Text;
string result;
Pop3Stream.AuthenticateAsClient("pop3.viettel.com.vn");
SSLStream.ReadMessage(Pop3Stream);
SmtpStream.AuthenticateAsClient("smtp.viettel.com.vn");
SSLStream.ReadMessage(SmtpStream);
SSLStream.WriteMessage(SmtpStream, "EHLO viettel.com.vn\r\n");
SSLStream.ReadMessage(SmtpStream);
SSLStream.WriteMessage(SmtpStream, "AUTH LOGIN\r\n");
SSLStream.ReadMessage(SmtpStream);
if (user == "")
{
lblNotification.Text = "Bạn chưa nhập tài khoản!";
txtUser.Focus();
}
else
{
if (password == "")
{
lblNotification.Text = "Bạn chưa nhập mật khẩu!";
txtPassword.Focus();
}
else
{
SSLStream.WriteMessage(SmtpStream, string.Format("{0}\r\n", Convert.ToBase64String(Encoding.ASCII.GetBytes(user))));
SSLStream.ReadMessage(SmtpStream);
SSLStream.WriteMessage(SmtpStream, string.Format("{0}\r\n", Convert.ToBase64String(Encoding.ASCII.GetBytes(password))));
result = SSLStream.ReadMessage(SmtpStream);
if (result.Substring(0, 3) != "235")
{
lblNotification.Text = "Tài khoản hoặc mật khẩu bạn nhập không đúng. Hãy nhập lại!";
txtPassword.Text = "";
txtPassword.Focus();
}
else
{
SSLStream.WriteMessage(Pop3Stream, String.Format("USER {0}\r\n", user));
SSLStream.ReadMessage(Pop3Stream);
SSLStream.WriteMessage(Pop3Stream, String.Format("PASS {0}\r\n", password));
SSLStream.ReadMessage(Pop3Stream);
////SmtpServer.Close();
//Pop3Server.Close();
FrmMain FormMain = new FrmMain(SmtpStream, Pop3Stream, user);
FormMain.Show();
this.Dispose();
}
}
}
}
private string ReadAllData(SslStream sslStream)
{
string allData = string.Empty;
string partData;
do
{
partData = SSLStream.ReadMessage(sslStream);
allData += partData;
} while (!partData.Contains("\r\n.\r\n"));
return(allData);
}
private void UpdateInbox()
{
SSLStream.WriteMessage(Pop3Stream, "STAT\r\n");
MailQuantity = int.Parse(SSLStream.ReadMessage(Pop3Stream).Split(' ')[1]);
lblMailQuantity.Text = string.Format("{0} messages", MailQuantity);
webBrowser1.DocumentText = string.Empty;
for (int i = MailQuantity; i > MailQuantity - 100; i--)
{
SSLStream.WriteMessage(Pop3Stream, string.Format("RETR {0}\r\n", i));
string allData = ReadAllData(Pop3Stream);
ListViewItem itemHeader = new ListViewItem(ReadSender(allData));
string[] timeSplit = ReadTime(allData).Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
itemHeader.SubItems.Add(timeSplit[1] + " " + timeSplit[2] + " " + timeSplit[4].Substring(0, 5));
itemHeader.SubItems.Add(ConvertSubject(ReadSubject(allData)));
lvwInbox.Items.Add(itemHeader);
lvwInbox.Columns[2].AutoResize(ColumnHeaderAutoResizeStyle.ColumnContent);
}
}
private void btnSend_Click(object sender, EventArgs e)
{
//try
{
SSLStream.WriteMessage(SmtpStream, string.Format("MAIL FROM:<{0}>\r\n", user));
/*MessageBox.Show(*/
SSLStream.ReadMessage(SmtpStream) /*)*/;
if (txtTo.Text == "")
{
MessageBox.Show("Bạn chưa nhập địa chỉ người nhận.");
txtTo.Focus();
}
else
{
SSLStream.WriteMessage(SmtpStream, string.Format("RCPT TO:<{0}>\r\n", txtTo.Text));
SSLStream.ReadMessage(SmtpStream);
SSLStream.WriteMessage(SmtpStream, "DATA\r\n");
SSLStream.ReadMessage(SmtpStream);
SSLStream.WriteMessage(SmtpStream, string.Format("Subject: {0}\r\n", txtSubject.Text));
SSLStream.WriteMessage(SmtpStream, string.Format("From: {0}\r\n", user));
SSLStream.WriteMessage(SmtpStream, string.Format("To: {0}\r\n", txtTo.Text));
SSLStream.WriteMessage(SmtpStream, string.Format("CC: {0}\r\n", txtCc.Text));
SSLStream.WriteMessage(SmtpStream, txtContent.Text + "\r\n");
SSLStream.WriteMessage(SmtpStream, ".\r\n");
if (SSLStream.ReadMessage(SmtpStream).Substring(0, 3) == "250")
{
MessageBox.Show("Gửi thành công!");
txtCc.Text = "";
txtContent.Text = "";
txtSubject.Text = "";
txtTo.Text = "";
}
}
}
//catch (Exception ex)
{
//MessageBox.Show("Gửi mail bị lỗi. Vui lòng thử lại!");
//throw ex;
}
}