Log into DirectAdmin: Access your DirectAdmin account by entering https://yourdomain.com:2222/ in your browser’s address bar.
Navigate to the Mailing Lists Section: Enter to the “E-Mail Manager” section on the sidebar and click on “Mailing Lists”.
Create a new mailing list: Click on the “Create Mailing List” button at the top. A pop-up window will appear for you to assign an address to the mailing list you are creating.
Enter a list name: In the “List Name” field, enter a name for your mailing list and click “CREATE”.
Add Subscribers: Click on the newly created mailing list and then click on the “Add Subscriber” button at the top to add new subscribers.
(Optional) Configure advanced mailing list parameters: Click on the “Edit” icon next to the list's “Archive Size” column to configure advanced parameters for the list.