/// <summary>
/// Sends message by using specified smart host.
/// </summary>
/// <param name="localHost">Host name which is reported to SMTP server.</param>
/// <param name="host">Host name or IP address.</param>
/// <param name="port">Host port.</param>
/// <param name="ssl">Specifies if connected via SSL.</param>
/// <param name="userName">SMTP server user name. This value may be null, then authentication not used.</param>
/// <param name="password">SMTP server password.</param>
/// <param name="from">Sender email what is reported to SMTP server.</param>
/// <param name="to">Recipients email addresses.</param>
/// <param name="message">Raw message to send.</param>
/// <exception cref="ArgumentNullException">Is raised when argument <b>host</b>,<b>from</b>,<b>to</b> or <b>stream</b> is null.</exception>
/// <exception cref="ArgumentException">Is raised when any of the method arguments has invalid value.</exception>
/// <exception cref="SMTP_ClientException">Is raised when SMTP server returns error.</exception>
public static void QuickSendSmartHost(string localHost,string host,int port,bool ssl,string userName,string password,string from,string[] to,Stream message)
{
if(host == null){
throw new ArgumentNullException("host");
}
if(host == ""){
throw new ArgumentException("Argument 'host' value may not be empty.");
}
if(port < 1){
throw new ArgumentException("Argument 'port' value must be >= 1.");
}
if(from == null){
throw new ArgumentNullException("from");
}
if(from != "" && !SMTP_Utils.IsValidAddress(from)){
throw new ArgumentException("Argument 'from' has invalid value.");
}
if(to == null){
throw new ArgumentNullException("to");
}
if(to.Length == 0){
throw new ArgumentException("Argument 'to' must contain at least 1 recipient.");
}
foreach(string t in to){
if(!SMTP_Utils.IsValidAddress(t)){
throw new ArgumentException("Argument 'to' has invalid value '" + t + "'.");
}
}
if(message == null){
throw new ArgumentNullException("message");
}
using(SMTP_Client smtp = new SMTP_Client()){
smtp.Connect(host,port,ssl);
smtp.EhloHelo(localHost != null ? localHost : Dns.GetHostName());
if(!string.IsNullOrEmpty(userName)){
smtp.Auth(smtp.AuthGetStrongestMethod(userName,password));
}
smtp.MailFrom(from,-1);
foreach(string t in to){
smtp.RcptTo(t);
}
smtp.SendMessage(message);
}
}
public void Send(ChannelMessage message)
{
var creds = CredentialsProvider.GetCredentials().ToNetworkCredential();
Mail_Message msg = new Mail_Message();
msg.MimeVersion = "1.0";
msg.MessageID = MIME_Utils.CreateMessageID();
msg.Subject = message.Context;
msg.From = message.From.ToMailBoxList();
msg.ReplyTo = message.ReturnTo == null ?
message.From.ToAddressList() : message.ReturnTo.ToAddressList();
if (String.IsNullOrEmpty(message.InReplyTo) == false)
msg.InReplyTo = message.InReplyTo;
msg.To = new Mail_t_AddressList();
foreach (var address in message.To)
msg.To.Add(address.ToMailBox());
msg.Cc = new Mail_t_AddressList();
foreach (var address in message.CC)
msg.Cc.Add(address.ToMailBox());
//--- multipart/mixed -------------------------------------------------------------------------------------------------
MIME_h_ContentType contentType_multipartMixed = new MIME_h_ContentType(MIME_MediaTypes.Multipart.mixed);
contentType_multipartMixed.Param_Boundary = Guid.NewGuid().ToString().Replace('-', '.');
MIME_b_MultipartMixed multipartMixed = new MIME_b_MultipartMixed(contentType_multipartMixed);
msg.Body = multipartMixed;
//--- multipart/alternative -----------------------------------------------------------------------------------------
MIME_Entity entity_multipartAlternative = new MIME_Entity();
MIME_h_ContentType contentType_multipartAlternative = new MIME_h_ContentType(MIME_MediaTypes.Multipart.alternative);
contentType_multipartAlternative.Param_Boundary = Guid.NewGuid().ToString().Replace('-', '.');
MIME_b_MultipartAlternative multipartAlternative = new MIME_b_MultipartAlternative(contentType_multipartAlternative);
entity_multipartAlternative.Body = multipartAlternative;
multipartMixed.BodyParts.Add(entity_multipartAlternative);
//--- text/plain ----------------------------------------------------------------------------------------------------
MIME_Entity entity_text_plain = new MIME_Entity();
MIME_b_Text text_plain = new MIME_b_Text(MIME_MediaTypes.Text.plain);
entity_text_plain.Body = text_plain;
// Add text body if there is any
if (message.BodyText != null && message.BodyText.Length > 0)
{
var bodyText = message.BodyText.ReadString();
// Make sure there is a newline at the end of our text, otherwise it will screw up
// our multipart data format
if (!bodyText.EndsWith(Environment.NewLine))
bodyText = bodyText + Environment.NewLine;
text_plain.SetText(MIME_TransferEncodings.SevenBit, Encoding.UTF8, bodyText);
}
multipartAlternative.BodyParts.Add(entity_text_plain);
//--- text/html ------------------------------------------------------------------------------------------------------
MIME_Entity entity_text_html = new MIME_Entity();
MIME_b_Text text_html = new MIME_b_Text(MIME_MediaTypes.Text.html);
entity_text_html.Body = text_html;
if (message.BodyHtml != null && message.BodyHtml.Length > 0)
{
var bodyHtml = message.BodyHtml.ReadString();
// Make sure there is a newline at the end of our text, otherwise it will screw up
// our multipart data format
if (!bodyHtml.EndsWith(Environment.NewLine))
bodyHtml = bodyHtml + Environment.NewLine;
text_html.SetText(MIME_TransferEncodings.SevenBit, Encoding.UTF8, bodyHtml);
}
multipartAlternative.BodyParts.Add(entity_text_html);
foreach (var channelAttachment in message.Attachments)
{
MIME_b_Application attachmentBody = new MIME_b_Application(MIME_MediaTypes.Application.octet_stream);
MIME_Entity attachment = new MIME_Entity();
attachment.Body = attachmentBody;
// Has to happen before the following lines of code
multipartMixed.BodyParts.Add(attachment);
attachment.ContentType = new MIME_h_ContentType(MimeHelper.GetMimeType(channelAttachment.Filename));
attachment.ContentType.Param_Name = channelAttachment.Filename;
MIME_h_ContentDisposition contentDisposition = new MIME_h_ContentDisposition(DispositionTypeNames.Attachment);
contentDisposition.Param_FileName = channelAttachment.Filename;
attachment.ContentDisposition = contentDisposition;
attachment.ContentTransferEncoding = TransferEncoding.Base64.ToString();
attachmentBody.SetData(channelAttachment.ContentStream, MIME_TransferEncodings.Base64);
}
// Inject headers
if (!String.IsNullOrEmpty(message.MessageIdentifier))
msg.Header.Add(new MIME_h_Unstructured("x-i2mp-messageid", message.MessageIdentifier));
//if (!String.IsNullOrEmpty(message.Metadata.i2mpFlow))
// msg.Header.Add(new MIME_h_Unstructured("x-i2mp-flow", message.Metadata.i2mpFlow));
//if (!String.IsNullOrEmpty(message.Metadata.i2mpReference))
// mailMessage.Headers.Add("X-i2mp-ref", message.Metadata.i2mpReference);
//if (!String.IsNullOrEmpty(message.Metadata.i2mpSequence))
// mailMessage.Headers.Add("X-i2mp-seq", message.Metadata.i2mpSequence);
//if (!String.IsNullOrEmpty(message.Metadata.i2mpRelation))
// mailMessage.Headers.Add("X-i2mp-rel", message.Metadata.i2mpRelation);
//if (!String.IsNullOrEmpty(message.Metadata.i2mpRelationId))
// mailMessage.Headers.Add("X-i2mp-rel-id", message.Metadata.i2mpRelationId);
// Send message
try
{
SMTP_Client client = new SMTP_Client();
if ("/Settings/Channels/LoggerEnabled".AsKey(false))
client.Logger = new LumiSoft.Net.Log.Logger();
// todo push this logic into the smtp client implementation itself
if (Hostname == "smtp.live.com")
{
// Hack for hotmail, first do a connect with no secured channel,
// then a STARTTLS
client.Connect(Hostname, Port, false);
client.StartTLS();
}
else
{
client.Connect(Hostname, Port, IsSecured);
}
client.Authenticate(creds.UserName, creds.Password);
using (MemoryStream ms = new MemoryStream())
{
client.MailFrom(msg.From[0].Address, -1);
msg.ToStream(ms,
new MIME_Encoding_EncodedWord(MIME_EncodedWordEncoding.Q, Encoding.UTF8), Encoding.UTF8);
// Reset stream
ms.Seek(0, SeekOrigin.Begin);
foreach (var address in message.To)
client.RcptTo(address.Address);
foreach (var address in message.CC)
client.RcptTo(address.Address);
foreach (var address in message.BCC)
client.RcptTo(address.Address);
try
{
client.SendMessage(ms);
}
finally
{
client.Dispose();
}
}
}
catch(SmtpFailedRecipientsException e)
{
throw new ChannelFunctionalException(e.Message, e) { DoNotRetry = true };
}
catch (SmtpException e)
{
throw new ChannelFunctionalException(e.Message, e);
}
catch (Exception e)
{
throw new ChannelFunctionalException(e.Message, e);
}
}