Mailing lists
From MozillaZine Knowledge Base
To create a new mailing list in Thunderbird and add addresses to it, do the following:
1. In the main window, click on the Address Book icon to open the Address Book window.
2. Click on the New List icon (or go File | New | Mailing List...).
3. Using the drop-down list, select the address book to which you want the new list to belong. Also type in the list name and, if you wish, a nickname and description.
4. To enter addresses into the list, you can:
- Type them in by hand.
- Close the dialog box for the list you just created, then select an address book and drag-and-drop individual cards onto the list.