Even your system administrator will not be able to get a message back once you have sent it. This means you must make sure you really want the message to go as you have written it. When sending a message to more than one mailing list, especially if the lists are closely related, apologize for cross-posting. If you ask a question, be sure to post a summary. When doing so, truly summarize rather than send a cumulation of the messages you receive.
Some mailing lists are private.
Do not send mail to these lists uninvited. Do not report mail from these lists to a wider audience. If you are caught in an argument, keep the discussion focused on issues rather than the personalities involved. Newsgroup Guidelines NetNews is a globally distributed system which allows people to communicate on topics of specific interest. Alt is so named because creating an alt group does not go through the same process as creating a group in the other parts of the hierarchy.