Don't engage in commerce on the Internet. This would violate your Netscape license and other software privileges you enjoy as an educator. Some e-mail groups are set up to spread announcements and bulletins. But refrain from sending memos to any and every e-mail group or user address you find. Likewise, don't send time consuming e-mail attachments unless the recipients have requested it.
Attachments can take a while to download.
Don't pass along e-mail chain letters. Don't let anyone use your username and don't reveal your password. Don't copy and republish material from the Internet without getting the appropriate permission and giving credit to the author. Refer to Citing Internet Resources by Classroom Connect when using material from the Internet. When thou enter a city abide by its customs.