This is most important for professional use of e-mail, however, may not be appropriate for young students for safety reasons. Make sure to read the specific guidelines for each group to which you subscribe. Remember that e-mail does NOT necessarily protect your privacy. Be careful not to say anything that you wouldn't mind being posted on a bulletin board or in the local newspaper. Unfortunately, someone may violate your privacy.
Most users find it annoying and it only adds to the congestion of the Internet.
Distribute someone's e-mail address without their permission Turn a private message into a public one. It is totally inappropriate to forward someone's personal message to anyone else unless you have asked permission to do so. Avoid being offensive or using foul language.