You will get a mail form. Double check that the subject line is correctly set and then mail the message. Subscription to the members and board lists can be done at the following web pages. As our mail lists become busier, it becomes more important for everyone to be a good net.citizen to avoid the sum of everyone's traffic from overflowing everyone else's mailboxes. Choose the correct list for your message.
Some disagreements are inevitable but take flames off-line from the list.
If you must correct factual errors on the list, be polite and correct just the facts. Consider whether your message is really worth sending to hundreds of people. If it is, don't hesitate. One-line replies of agreement are wasteful. But feel free to respond if you have more to say than simple agreement.