In your Adopia account click Manage My Emails

On the next page, click Add a New Email Address. 

In the Add New Email Address popup window enter Name, Email address and click Add Email

When you have created a new email address, Under Is Default you can select which email address you would like to be your default 

email address and you have the option to Edit Name (Edit your "From" Name) or you can Remove the email address. By clicking Remove,

the Delete My Popup Window will come up and you can choose a replacement "From" field.