/// <summary>
/// This method is called when asynchronous <b>StartTLS</b> method completes.
/// </summary>
/// <param name="ar">An IAsyncResult that stores state information and any user defined data for this asynchronous operation.</param>
private void StartTlsCallback(IAsyncResult ar)
{
try{
m_pSmtpClient.EndStartTLS(ar);
// Authentication requested, start authenticating.
if (!string.IsNullOrEmpty(m_pActiveTarget.UserName))
{
m_pSmtpClient.BeginAuthenticate(m_pActiveTarget.UserName, m_pActiveTarget.Password, new AsyncCallback(this.AuthenticateCallback), null);
}
else
{
long messageSize = -1;
try{
messageSize = m_pRelayItem.MessageStream.Length - m_pRelayItem.MessageStream.Position;
}
catch {
// Stream doesn't support seeking.
}
m_pSmtpClient.BeginMailFrom(this.From, messageSize, new AsyncCallback(this.MailFromCallback), null);
}
}
catch (Exception x) {
Dispose(x);
}
}