/// <summary>
/// Sends email
/// </summary>
/// <param name="Subject">Mail Subject</param>
/// <param name="Body">Message Body</param>
public void SendEmail(string Subject, string Body)
{
try
{
using (SmtpClient smtp = new SmtpClient(_host,_port))
{
// Create message
MailMessage message = new MailMessage(_smtpUserName,
_destinationAddress, Subject, Body);
// Authenticate to server
smtp.Authenticate = true;
smtp.Username = _smtpUserName;
smtp.Password = _smtpPassword;
// Send message
smtp.Send(message);
}
}
catch (SmtpException e)
{
// Exception handling here
Console.DEBUG_ACTIVITY(e.Message);
Console.DEBUG_ACTIVITY("Error Code: " + e.ErrorCode.ToString());
if (AlarmByZones.AlarmByZones.SdCardEventLogger.IsSDCardAvailable() && AlarmByZones.Alarm.ConfigDefault.Data.STORE_EXCEPTION)
{
AlarmByZones.AlarmByZones.SdCardEventLogger.saveFile(DateTime.Now.ToString("d_MMM_yyyy--HH_mm_ss") + ".log",
"Exception trying to send an email.\nErrorCode: " + e.ErrorCode.ToString()+
"\nException Message: " + e.Message, "Exception");
}
}
}
public static void Main()
{
MailMessage message = new MailMessage();
// Set sender name and address
message.From = new MailAddress("*****@*****.**", "Foo Bar");
// Set recipient address
message.To.Add(new MailAddress("*****@*****.**", "John Doe"));
message.Cc.Add(new MailAddress("*****@*****.**", "The Boss"));
message.Subject = "Hello World";
message.Body = "Good news,<br />from now on you can send e-mails from <b>.NET Micro Framework</b>.";
// Format body as HTML
message.IsBodyHtml = true;
// Create new attachment and define it's name
Attachment attachment = new Attachment("Snowflake.gif");
attachment.ContentType = "image/gif";
attachment.TransferEncoding = TransferEncoding.Base64;
// Attachment content
attachment.Content = Base64.Encode(Resources.GetBytes(
Resources.BinaryResources.Snowflake_gif),
true);
// Add attachment to message
message.Attachments.Add(attachment);
// Create new SMTP instance
SmtpClient smtp = new SmtpClient("smtp.contoso.com", 25);
try
{
// Authenicate to server
smtp.Authenticate = true;
smtp.Username = "******";
smtp.Password = "******";
// Send message
smtp.Send(message);
}
catch (SmtpException e)
{
// Exception handling here
Debug.Print(e.Message);
Debug.Print("Error Code: " + e.ErrorCode.ToString());
}
finally
{
smtp.Dispose();
}
}
/// <summary>
/// Creates message body from MailMessage.
/// </summary>
/// <param name="message">MailMessage to be processed.</param>
/// <returns>String suitable for SMTP transaction.</returns>
private string ProcessMessage(MailMessage message)
{
string result = "Subject: " + message.Subject + "\r\n";
result += "From: ";
if (message.From.DisplayName != null)
result += message.From.DisplayName + " <" + message.From.Address + ">";
else
result += message.From.Address;
result += "\r\n";
result += ProcessRcpt("To", message.To);
result += ProcessRcpt("Cc", message.Cc);
result += ProcessRcpt("Bcc", message.Bcc);
DateTime now = DateTime.Now;
result += "Date: " + now.ToString("ddd, d MMM yyyy HH:mm:ss \r\n");
result += message.Headers;
if (message.Headers.Length > 0 && !StrEndWith(message.Headers, "\r\n"))
result += "\r\n";
// We need special header when attachments are present
if (message.Attachments.Count > 0)
{
result += "MIME-Version: 1.0\r\n";
result += "Content-Type: multipart/mixed; boundary=\"frontier\"\r\n";
result += "\r\n--frontier\r\n";
result += ProcessBody(message);
// Add all attachements
foreach (Attachment attachment in message.Attachments)
{
result += "\r\n--frontier\r\n";
result += "Content-type: " + attachment.ContentType;
result += ";\r\n\tname=\"" + attachment.Name + "\"\r\n";
result += "Content-Transfer-Encoding: ";
switch (attachment.TransferEncoding)
{
case TransferEncoding.QuotedPrintable:
result += "quoted-printable";
break;
case TransferEncoding.Base64:
result += "base64";
break;
case TransferEncoding.SevenBit:
result += "7bit";
break;
default:
result += "unknown";
break;
}
result += "\r\n";
if (attachment.ContentId != null)
result += "Content-ID: <" + attachment.ContentId + ">\r\n";
result += "Content-Disposition: ";
result += (attachment.Inline) ? "inline" : "attachment";
result += ";\r\n\tfilename=\"" + attachment.Name + "\"\r\n\r\n";
result += attachment.Content;
}
result += "\r\n--frontier--\r\n";
}
else
result += ProcessBody(message);
// Double all dots after line-breaks
int i = 0;
while ((i = result.IndexOf("\r\n.", i)) > -1)
{
result = result.Substring(0, i) + "." + result.Substring(i);
i += 3;
}
return result;
}
/// <summary>
/// Creates message body wrapped in the appropriate content type header.
/// </summary>
/// <param name="message">MailMessage to process.</param>
/// <returns>Message body.</returns>
private string ProcessBody(MailMessage message)
{
string result = string.Empty;
if (message.IsBodyHtml)
result += "Content-Type: text/html";
else
result += "Content-Type: text/plain";
return result + ";\r\n\tcharset=\"UTF-8\"\r\n\r\n" + message.Body;
}
/// <summary>
/// Sends the specified message to an SMTP server for delivery.
/// </summary>
/// <param name="from">Address information of the message sender.</param>
/// <param name="to">Address that message is sent to.</param>
/// <param name="subject">Subject line of the message.</param>
/// <param name="body">Contains the message body.</param>
/// <exception cref="ArgumentNullException">from or to is null reference</exception>
/// <exception cref="ArgumentException">from or to is String.Empty ("")</exception>
/// <exception cref="SmtpException">connection or session errors</exception>
/// <example>
/// This code send simple e-mail message.
/// No authentication to server is used.
/// <code>
/// using (SmtpClient smtp = new SmtpClient("smtp.hostname.net", 25))
/// {
/// // Send message
/// smtp.Send("*****@*****.**",
/// "*****@*****.**",
/// "Good news",
/// "How are you Foo?");
/// }
/// </code>
/// </example>
public void Send(string from, string to, string subject, string body)
{
MailMessage msg = new MailMessage(from, to, subject, body);
Send(msg);
}
/// <summary>
/// Sends the specified message to an SMTP server for delivery.
/// </summary>
/// <param name="message">Bansky.SPOT.Mail.MailMessage that contains message to send.</param>
/// <exception cref="ArgumentNullException">Message or From is null reference.</exception>
/// <exception cref="ArgumentOutOfRangeException">There are no recipients in To, CC, and Bcc.</exception>
/// <exception cref="SmtpException">The connection or session failed.</exception>
/// <example>
/// This code sends e-mail message and use authentication to server
/// <code>
/// using (SmtpClient smtp = new SmtpClient("smtp.hostname.net", 25))
/// {
/// // Create message
/// MailMessage message = new MailMessage("*****@*****.**",
/// "*****@*****.**",
/// "Good news",
/// "How are you Foo?");
///
/// // Authenicate to server
/// smtp.Authenticate = true;
/// smtp.Username = "******";
/// smtp.Password = "******";
///
/// // Send message
/// smtp.Send(message);
/// }
/// </code>
/// This code sends HTML formated e-mail message with attachment to more recipients.
/// <code>
/// MailMessage message = new MailMessage();
/// // Set sender name and address
/// message.From = new MailAddress("*****@*****.**", "Foo Bar");
///
/// // Set recipients
/// message.To.Add(new MailAddress("*****@*****.**", "John Doe"));
/// message.Cc.Add(new MailAddress("*****@*****.**"));
///
/// message.Subject = "Hello World";
/// message.Body = "Good news,<br />from now on you can send e-mails from <b>.NET Micro Framework</b>.";
/// // Format body as HTML
/// message.IsBodyHtml = true;
///
/// // Create new attachment and define it's name
/// Attachment attachment = new Attachment("Snwoflake.gif");
/// attachment.ContentType = "image/gif";
/// attachment.TransferEncoding = TransferEncoding.Base64;
/// // Attachment content
/// attachment.Content = Base64.Encode( Resources.GetBytes(
/// Resources.BinaryResources.Snowflake_gif),
/// true);
///
/// // Add attachment to message
/// message.Attachments.Add(attachment);
///
/// // Create new SMTP instance
/// SmtpClient smtp = new SmtpClient("smtp.contoso.com", 25);
/// try
/// {
/// // Authenicate to server
/// smtp.Authenticate = true;
/// smtp.Username = "******";
/// smtp.Password = "******";
///
/// // Send message
/// smtp.Send(message);
/// }
/// catch (SmtpException e)
/// {
/// // Exception handling here
/// Debug.Print(e.Message);
/// Debug.Print("Error Code: " + e.ErrorCode.ToString());
/// }
/// finally
/// {
/// smtp.Dispose();
/// }
/// </code>
/// </example>
public void Send(MailMessage message)
{
if (message == null)
throw new ArgumentNullException();
if (message.To.Count == 0
&& message.Cc.Count == 0
&& message.Bcc.Count == 0)
throw new ArgumentOutOfRangeException();
try
{
// Get server's IP address.
IPHostEntry hostEntry = Dns.GetHostEntry(this.Host);
// Create socket and connect to the server's IP address and port
socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket.Connect(new IPEndPoint(hostEntry.AddressList[0], this.Port));
}
catch (Exception e)
{
throw new SmtpException(SmtpErrorCode.ConnectionFailed, e);
}
GetResponse("220", SmtpErrorCode.BadResponse);
if (Authenticate)
DoAuthentication(Username, Password);
else
SendCommand("HELO " + Domain, "250", SmtpErrorCode.BadResponse);
SendCommand("MAIL From:<" + message.From.Address +">", "250", SmtpErrorCode.FromFailed);
if (message.To.Count > 0)
DoRcpt("To", message.To);
if (message.Cc.Count > 0)
DoRcpt("To", message.Cc);
if (message.Bcc.Count > 0)
DoRcpt("To", message.Bcc);
SendCommand("DATA", "354", SmtpErrorCode.DataFailed);
SendCommand(ProcessMessage(message) + "\r\n.\r\n", "250", SmtpErrorCode.DataFailed);
SendCommand("QUIT", "221", SmtpErrorCode.DataFailed);
socket.Close();
}
