This means that they should never be posted to this list without the author's permission. The law allows quoting short excerpts with proper reference to the actual author. Quoting It is good to quote part of the message you are replying to, so that people reading it can easily find the context of your reply. It's usually sufficient to quote just a few lines, rather than copying the entire previous message. Everyone on the list received a copy of the original message, so quoting all of it is quite unnecessary.
Most mail readers have an option for quoting the previous message in a reply.
Please remember to cut out the parts that aren't necessary, when adding your reply. Flaming A flame is when you call someone names, are overtly rude, or are blatantly sarcastic or condescending. It looks immature and unprofessional. Anything worth saying on this list can, and must, be stated in polite terms. Noting the shortcomings or advantages of a platform or piece of software can be informative.