If the mailing list you would like to unsubscribe from is in the list on our, then you don't need to use your mail client to unsubscribe, you can do. From the main Pine menu, type 'S' for 'Setup', then 'C' for 'Config'. Type 'H' again to hide the headers. Type 'X' in the box to toggle the option on. If you are subscribed to the digest version of the mailing list, you need to send an email to. Item from the 'View' menu (Outlook 98. To determine what email address is subscribed to the mailing list that you are receiving the messages from, you'll need to inspect the headers of one of those messages.