Otherwise it will appear to come from whichever previous user last configured it. Be sure NOT to leave Netscape without removing your identify from the configuration, or mail will be going to people as though from you. This could be embarrassing.
Attendance is required.
Minor lateness does less harm than an absence. This is a writing intensive course. You will write at least three and perhaps five papers of commentary on pieces of literature, as well as exercises, informal responses, etc. At least half the grade will be based on your written papers. I'll explain how to work this in the days ahead.