You can set many preferences such as whether to receive messages as they are sent to the list or in a daily digest, your real name, and so on, using the "Unsubscribe or edit options" button at the bottom of the page at ​http://list.catalina36.org/mailman/listinfo/list_list.catalina36.org. This URL is contained in the footer of each message sent by the list.

You will need to log in with your email address and the password that was assigned to you for the E-mail list. If you've forgotten it, you can have it sent to you from the same page.