This article is from the Puerto Rico FAQ, by Zeydy Ortiz Laureano email@example.com with numerous contributions by others.
Never forget that the person on the other side is human.
Don't blame system admins for their users' behavior.
Never assume that a person is speaking for their organization.
Be careful what you say about others.
Your postings reflect upon you; be proud of them.
Use descriptive titles.
Think about your audience.
Be careful with humor and sarcasm.
Only post a message once.
Please rotate material with questionable content.
Summarize what you are following up.
Use mail, don't post a follow-up.
Read all follow-ups and don't repeat what has already been said.
Double-check follow-up newsgroups and distributions.
Be careful about copyrights and licenses.
Cite appropriate references.
When summarizing, summarize.
Mark or rotate answers or spoilers.
Spelling flames considered harmful.
Don't overdo signatures.
Limit line length and avoid control characters.
Please do not use Usenet as a resource for homework assignments.
From: "A Primer on How to Work with the Usenet Community"
by Chuq Von Rospach <firstname.lastname@example.org>
< ftp://rtfm.mit.edu/pub/usenet/news.answers/usenet/primer/part1 >