Compose an email message to the request address of your list.
Your request address should be: listname-request@lists.mayfirst.org
Replace "listname" with your actual listname followed by your list domain.
For example if your if your list address is special@lists.mayfirst.org
then your request address would be special-request@lists.mayfirst.org
In the the subject line of this email write only:
who password
Replace password with your actual list password.