To subscribe to the list, you can send a message to john@pojman.com requesting to be added or send a message to list@pojman.com. In the first line of the body of your message put subscribe nonlin your_first_name your_last_name e.g., subscribe nonlin john pojman You send messages to nonlin@pojman.com that everyone on the list will receive. To unsubscribe, send a message to list@pojman.com In the first line of the body of your message put unsubscribe nonlin