To use the "Message Board": "Register" and then "Login".
This will enable the "Registered User" to post threads and participate in discussions.
To be notified by email, look for the 'envelope' at the bottom right side of the screen within an open thread. To the left of the box is an "envelope" and "Email me... ...forum has a new thread."
C A U T I O N
Placing an email address in a thread may leave that address vulnerable to spamming and phishing.
Instead of JohnDoe@email.com type JohnDoe at email.com to avoid spamming and phishing.