In order to use Sympa, you will need to define a password. Please submit your email address. You will then receive a message providing access to a form allowing you to choose your password.
If you are used to logging in with your Brown CS email address (ending in @cs.brown.edu) and your LDAP password, we have recently disabled LDAP authentication. You will need to choose a new password to access the listserver with your Brown CS email address.