How to join Google groups
The various SBML discussion forums are hosted by Google Groups. The groups are moderated to reduce spam. To receive the postings by email, as well as to reply or post via email or using the online forum interface, you will first need to join the group.
To join any of the Google groups, fist make sure you are logged into your Google account. (If you are not logged in, Google will not present the button to join a group.) Once logged in, navigate to the front page of a Google group and look for a blue-colored "Join group to post" button. Here is a sample screen image: