There is a class email list which will send email to the entire class - me, TA, and all students.  Please use it sparingly, and preface all class-related emails with "CMSC 434":  cmsc434-828s@cs.umd.edu (You need to subscribe to this list in order to send and receive the list mails , to subscribe visit http://www.cs.umd.edu/mailman/listinfo/cmsc434-828s )

There is another email list which will send email to me and the TA only in case you have a specific question that cannot be posted publicly cmsc434-828s_instructors@cs.umd.edu