Reread what you wrote. Once a message is sent, it can't be retrieved. Be sure you really want to post it, and remember than some lists don't tolerate flames. Facetiousness and sarcasm can be misunderstood easily in electronic communication. Replies to requests for information.
Some large lists have a policy of sending information privately to the requester.
The requester then summarizes to the list. Please be considerate of others. Through inexperience or limited local software, list members may inadvertently violate the above suggestions. A private message to the offender from an experienced friend or from the list owners is more appropriate than a public flame. Your ideas are important.