This presumes you have been added to a mailing list that the Co-op hosts and that the list owner has directed you here for information on how to view the web archives or change your subscription preferences.

To begin, go to https://lists.bclibrary.ca/sympa. Once there, under the top right-hand menu for "Login" select "First Login?"

This will take you to a page where you enter the email with which you are subscribed to the list.