public IAsyncResult BeginDirectSend(string dnsHost, AsyncCallback callback) { return(SmtpClient.BeginDirectSend(this, dnsHost, callback)); }
public IAsyncResult BeginDirectSend(ServerCollection dnsServers, AsyncCallback callback) { return(SmtpClient.BeginDirectSend(this, dnsServers, callback)); }
public IAsyncResult BeginDirectSend(AsyncCallback callback) { return(SmtpClient.BeginDirectSend(this, callback)); }