/// <summary>
/// Is called when smart hosts ip addresses resolve operation has completed.
/// </summary>
/// <param name="op">Asynchronous operation.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>op</b> is null reference.</exception>
private void SmartHostsResolveCompleted(Dns_Client.GetHostsAddressesAsyncOP op)
{
if(op == null){
throw new ArgumentNullException("op");
}
if(op.Error != null){
LogText("Failed to resolve relay smart host(s) ip addresses with error: " + op.Error.Message + ".");
Dispose(op.Error);
}
else{
for(int i=0;i<op.HostEntries.Length;i++){
Relay_SmartHost smartHost = m_pSmartHosts[i];
foreach(IPAddress ip in op.HostEntries[i].Addresses){
m_pTargets.Add(new Relay_Target(smartHost.Host,new IPEndPoint(ip,smartHost.Port),smartHost.SslMode,smartHost.UserName,smartHost.Password));
}
}
BeginConnect();
}
op.Dispose();
}
/// <summary>
/// Is called when email domain target servers resolve operation has completed.
/// </summary>
/// <param name="to">RCPT TO: address.</param>
/// <param name="op">Asynchronous operation.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>to</b> or <b>op</b> is null reference.</exception>
private void EmailHostsResolveCompleted(string to,Dns_Client.GetEmailHostsAsyncOP op)
{
if(to == null){
throw new ArgumentNullException("to");
}
if(op == null){
throw new ArgumentNullException("op");
}
if(op.Error != null){
LogText("Failed to resolve email domain for email address '" + to + "' with error: " + op.Error.Message + ".");
Dispose(op.Error);
}
else{
StringBuilder buf = new StringBuilder();
foreach(HostEntry host in op.Hosts){
foreach(IPAddress ip in host.Addresses){
m_pTargets.Add(new Relay_Target(host.HostName,new IPEndPoint(ip,25)));
}
buf.Append(host.HostName + " ");
}
LogText("Resolved to following email hosts: (" + buf.ToString().TrimEnd() + ").");
BeginConnect();
}
op.Dispose();
}