For Lotto-Daily Newsletter:
Simply sign up again here with your new email address: http://thelottolife.com/newsletter
It's not necessary to remove your old address unless you want to. Do that by going to the bottom of any email LOTTO-DAILY newsletter from me and follow the instructions to unsubscribe.
For All Other Product Subscriptions:
Open a new Support Ticket and advise me of your old email and the new one that replaces it. I will make the change within 24 hours.