Finally - send an email from yoursenecaid@yoursenecaid.org to yoursenecaid@yoursenecaid.org using Thunderbird. The message should go out without errors, you should see a Sent folder appear in the list, and you should see your message arrive in the inbox. If all that happend - your setup is correct.

Students should be prepared with '''all required commands (system information) displayed in a terminal (or multiple terminals) prior to calling the instructor for signoff'''.