The same procedure as detailed above will ensue. How to Un-subscribe . . . This will unsubscribe the account at the e-mail address from which you send the message. Your message is going to be distributed worldwide to hundreds of people, and may eventually be read by thousands by way of the archives. Remember that you're not paying for the phone bills, access fees, or time of the other list members.
Some folks have problems receiving very long messages because of the speed of their modems.
When responding to a post using quotations, keep in mind that your message is now the new, important one. Everyone has already read the one you are quoting, so snip everything except what's necessary to establish a reference. Be sure the subject line represents the topic of your message. When the topic of a thread has changed, change the subject line. When replying to another post, remember to 'audience' your reply.