to receive a copy of any email you send to the list.

to not receive a copy of the email you send to the list (default).

to receive a weekly digest of emails.

to receive each email as it is sent (default).

to conceal your subscription from requests for all subscribers.

to not conceal your subscription (default).

to receive a list of all (non-concealed) subscribers to ERiders.

to receive a list of commands you can send to the listserv.