/// <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);
}
}