in the body of the email (not the subject line) place the following single line:
subscribe saccr email@example.com
where 'firstname.lastname@example.org' is the e-mail address that you are sending the e-mail from.
Directions to unsubscribe from the SACCR listserv:
To unsubscribe, again send an e-mail to email@example.com with the following single line in the body of the e-mail:
unsubscribe saccr firstname.lastname@example.org
Once you have subscribed you can send an e-mail to the group by simply sending it to email@example.com