Issue the chlist command from the vincent%
prompt as follows:
vincent% chlist netbsd -a username
WARNING: Updates to mailing lists and changes to pobox occur daily at
5 am and midnight. Use -q or -quiet to suppress this message.
Fill in your Project Vincent username for username. Only
people with Project Vincent accounts can join this list. When you
issue the command, you will get the WARNING message. This message
reminds you that you will not begin receiving mail from the list until
midnight or 5:00 am of the following morning.