How do I edit mailing lists or add an email ID in mailing lists in CPanel
a) Login to your websites CPanel
b) Under Mail section click on Mailing lists option
c) Click on “Modify” button next to the particular mailing list that you would like to edit.
d) Now log in to the list with your mailing list password. This will open up the Mailman Administration panel that you can use to adjust options such as adding a new email ID.