Go into the List or Smart List that you want to send to, and select any (or all) of the Leads that you want to receive the email. Then click on the 'Lead Actions' drop-down --> Marketing --> Send Email.
Go into the List or Smart List that you want to send to, and select any (or all) of the Leads that you want to receive the email. Then click on the 'Lead Actions' drop-down --> Marketing --> Send Email.