Send e-mail to LISTSERV@lsv.uky.edu with the following text in the message body:
subscribe {Listserv Name} Yourfirstname Yourlastname
The subject line should be blank as well as the rest of the body of the email.
You may also unsubscribe to the listserv by sending email to the same address but state in message body:
unsubscribe {Listserv Name} Yourfirstname Yourlastname