How do I change the e-mail address where the applications/notices are sent to?

Do you mean the e-mail address for the e-mail notifications?

You can change this e-mail address from the settings of the notification. In order to do this, you should click on the pencil icon of the notification and then go to Recipients. You should enter the new e-mail address in the "Recipient Emails" field.

Let us know if you need any further assistance.