Navigate to Autoresponders -> Add. Select the mailing list that you wish to add an autoresponder to. Enter a Name, Subject, Time Delay and Number for the autoresponder. Select to use your own template or use a predefined style. You can create multiple autoresponders for your selected mailing list, in the fields following your first autoresponder, simply repeat the process using a incremented number for your next autoresponder the time delay is now used for the delay between the first and second autoresponders and so on.