To join (subscribe to) the sidcal-l email list,  first
fill out the interest form at the bottom of the
SiD home page (if you have not already done so):
http://www-sid.slac.stanford.edu/

Then send an email to karen@slac.stanford.edu
and ask to be added to the SiD calorimeter list, sidcal-l.
You will added to the list.

To send an email to the list, simply send your message to
sidcal-l@slac.stanford.edu

If you are already a list member and want to get a list of the membership,
send an email majordomo@slac.stanford.edu
and put 'who sidcal-l' in the body of the email.