Don't use all upper cases when writing. This is thought of as shouting. This could be your first and last name and possibly your company name. If you have a conflict with an individual, settle it by private e-mail messages. Don't be critical of people's queries posted to the listserv.
Many people are new to the Internet and the concept of listservs.
Keep a copy of the welcome message When you successfully sign-up with a listserv, they'll send you a welcome message. This letter will contain tips for sending your mail as well as how to unsubscribe from that mailing list. You should store this message either on your computer or print a hard copy and make a folder of listservs that you belong to. Check your e-mail daily Some listservs will send several messages daily. Others will send one message in the form of a digest.