/// <summary>
/// Simple E-Mail Function, you just need Subject and Message
/// the rest is taken from the GlobalVars
/// </summary>
/// <param name="subject">Subject for the Mail</param>
/// <param name="message">Body Message for the Mail</param>
public static void Send(string subject, string message, bool showDebug)
{
bool mailError = false;
try
{
MailMessage msg = new MailMessage();
msg.EmailFrom = GlobalVars.config_mail_from;
msg.AddEmailTo(GlobalVars.config_mail_to);
msg.EmailMessageType = MessageType.Text;
msg.EmailMessage = message;
msg.EmailSubject = subject;
Smtp smtp = new Smtp();
smtp.SmtpPort = System.Convert.ToInt16(GlobalVars.config_mail_server_port);
smtp.SmtpServer = GlobalVars.config_mail_server;
smtp.SmtpUser = GlobalVars.config_mail_user;
smtp.SmtpPassword = GlobalVars.config_mail_password;
smtp.SendEmail(msg);
}
catch (SmtpException e)
{
if (showDebug)
{
mailError = true;
MessageBox.Show(e.ToString());
}
}
if (showDebug && !mailError)
{
MessageBox.Show(GlobalVars.lang_mailsuccessfullysent);
}
}
/// <summary>
/// Sends the e-mail based on the properties set for this object
/// </summary>
/// <param name="msg">MailMessage</param>
public void SendEmail(MailMessage msg)
{
if (_serverSmtp == "" || msg.EmailFrom == "" || msg.EmailSubject == "" || msg.EmailTo == null)
{
throw new SmtpException("Invalid Smtp or email parameters.");
}
// open a connection to the Smtp server
using (TcpClient smtpSocket = new TcpClient(_serverSmtp, _portSmtp))
using (NetworkStream ns = smtpSocket.GetStream())
{
// get response from Smtp server
int code = GetSmtpResponse(ReadBuffer(ns));
if (code != 220)
{
throw new SmtpException("Error connecting to Smtp server. (" + code + ")");
}
// EHLO
WriteBuffer(ns, "ehlo UTAC\r\n");
// get response from Smtp server
string buffer = ReadBuffer(ns);
code = GetSmtpResponse(buffer);
if (code != 250)
{
throw new SmtpException("Error initiating communication with Smtp server. (" + code + ")");
}
// check for AUTH=LOGIN
if (buffer.IndexOf("AUTH=LOGIN") >= 0)
{
// AUTH LOGIN
WriteBuffer(ns, "auth login\r\n");
// get response from Smtp server
code = GetSmtpResponse(ReadBuffer(ns));
if (code != 334)
{
throw new SmtpException("Error initiating Auth=Login. (" + code + ")");
}
// username:
WriteBuffer(ns, Convert.ToBase64String(ASCIIEncoding.ASCII.GetBytes(_userSmtp)) + "\r\n");
// get response from Smtp server
code = GetSmtpResponse(ReadBuffer(ns));
if (code != 334)
{
throw new SmtpException("Error setting Auth user name. (" + code + ")");
}
// password:
WriteBuffer(ns, Convert.ToBase64String(ASCIIEncoding.ASCII.GetBytes(_passwordSmtp)) + "\r\n");
// get response from Smtp server
code = GetSmtpResponse(ReadBuffer(ns));
if (code != 235)
{
throw new SmtpException("Error setting Auth password. (" + code + ")");
}
}
// MAIL FROM:
WriteBuffer(ns, "mail from: <" + msg.EmailFrom + ">\r\n");
// get response from Smtp server
code = GetSmtpResponse(ReadBuffer(ns));
if (code != 250)
{
throw new SmtpException("Error setting sender email address. (" + code + ")");
}
// RCPT TO:
foreach (string sEmailTo in msg.EmailTo)
{
WriteBuffer(ns, "rcpt to:<" + sEmailTo + ">\r\n");
// get response from Smtp server
code = GetSmtpResponse(ReadBuffer(ns));
if (code != 250 && code != 251)
{
throw new SmtpException("Error setting receipient email address. (" + code + ")");
}
}
// DATA
WriteBuffer(ns, "data\r\n");
// get response from Smtp server
code = GetSmtpResponse(ReadBuffer(ns));
if (code != 354)
{
throw new SmtpException("Error starting email body. (" + code + ")");
}
// Repeat the from and to addresses in the data section
WriteBuffer(ns, "from:<" + msg.EmailFrom + ">\r\n");
foreach (string sEmailTo in msg.EmailTo)
{
WriteBuffer(ns, "to:<" + sEmailTo + ">\r\n");
}
WriteBuffer(ns, "date: " + DateTime.Now.ToString("r") + ">\r\n"); // Inserted for compatibility 2010.01.05
WriteBuffer(ns, "Subject:" + msg.EmailSubject + "\r\n");
switch (msg.EmailMessageType)
{
case MessageType.Text:
// send text message
WriteBuffer(ns, "\r\n" + msg.EmailMessage + "\r\n.\r\n");
break;
case MessageType.HTML:
// send HTML message
WriteBuffer(ns, "MIME-Version: 1.0\r\n");
WriteBuffer(ns, "Content-type: text/html\r\n");
WriteBuffer(ns, "\r\n" + msg.EmailMessage + "\r\n.\r\n");
break;
}
// get response from Smtp server
code = GetSmtpResponse(ReadBuffer(ns));
if (code != 250)
{
throw new SmtpException("Error setting email body. (" + code + ")");
}
// QUIT
WriteBuffer(ns, "quit\r\n");
}
}