http://archives.postgresql.org/pgsql-general/
I sent an email to:
majordomo@postgresql.org
with this single line in it:
subscribe-digest pgsql-general
and got back this error email: ----------------------------------------- subscribe-digest pgsql-general
**** The subscribe command did not succeed.
**** **** The command mode "digest" is invalid. The following command
**** modes, separated by hyphens ('-') or equals signs ('=') are valid:
**** noinform
**** nolog
**** nowelcome
**** quiet
**** rule
**** set
**** welcome
Valid commands processed: 1 0 succeeded, 0 stalled, and 1 failed. -----------------------------------------
---------------------------(end of broadcast)--------------------------- TIP 8: explain analyze is your friend