private void button1_Click(object sender, EventArgs e)
{
SMTPMessage smtpMessage = new SMTPMessage();
smtpMessage.Password = MailInformation.password;
smtpMessage.MailAddress = MailInformation.mailAddress;
smtpMessage.Username = MailInformation.userName;
smtpMessage.TargetAddress = mailToBox.Text;
smtpMessage.Subject = subjectBox.Text;
smtpMessage.Message = messageBox.Text;
bool value = mailClient.SendMessage(smtpMessage);
string message;
if (value)
{
message = "Wiadomość została pomyślnie wysłana";
}
else
{
message = "Nie udało się wysłać wiadomości";
}
MessageBoxButtons buttons = MessageBoxButtons.OK;
DialogResult result;
// Displays the MessageBox.
result = MessageBox.Show(message, "INFORMACJA", buttons);
}
public bool SendMessage(SMTPMessage smtpMessage)
{
CodeBase64 codeBase64 = new CodeBase64();
string b64Login = codeBase64.EncodeBase64(smtpMessage.Username);
string b64Password = codeBase64.EncodeBase64(smtpMessage.Password);
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket.Connect(_serverAddress, 587);
socket.ReceiveTimeout = 1000;
string outputString;
socket.Send(Encoding.UTF8.GetBytes("helo\r\n"));
socket.Send(Encoding.UTF8.GetBytes("auth login\r\n"));
outputString = GetCurrentSocketInfo(socket);
socket.Send(Encoding.UTF8.GetBytes(b64Login + "\r\n"));
outputString = GetCurrentSocketInfo(socket);
socket.Send(Encoding.UTF8.GetBytes(b64Password + "\r\n"));
outputString = GetCurrentSocketInfo(socket);
socket.Send(Encoding.UTF8.GetBytes("mail from:<" + smtpMessage.Username + "@o2.pl>\n"));
outputString = GetCurrentSocketInfo(socket);
if (outputString.Contains("250") || outputString.Contains("235"))
{
socket.Send(Encoding.UTF8.GetBytes("rcpt to:<" + smtpMessage.TargetAddress + ">\n"));
outputString = GetCurrentSocketInfo(socket);
socket.Send(Encoding.UTF8.GetBytes("DATA\r\n"));
outputString = GetCurrentSocketInfo(socket);
socket.Send(Encoding.UTF8.GetBytes("From:<" + smtpMessage.Username + ">\n" + "To:<" + smtpMessage.TargetAddress + ">\nSubject:" + smtpMessage.Subject + "\nContent:<" + smtpMessage.Message + "\r\n.\n"));
outputString = GetCurrentSocketInfo(socket);
if (outputString.Contains("250"))
{
return(true);
}
}
return(false);
}