How to add subscribers in BULK to a mailing list?

Step 1)

Make a list of the new subscribers in the following format: E-mail_address First_Name Last_Name

Step 2)

Copy the list that you just made after the line that starts with two slashes "//". List-Name in the following command should be changed with your own list name: add List-Name DD=add-users //add-users DD * /*

Step 3)

Send the above to listserv@unt.edu