Besides being childish and consuming time and bandwidth, sending chain letters can cost you your Internet privileges. Learn how to send BCC's, or how to send mass mail where the recipients are hidden. Attachments - Know the size of your attachments. If the source of the attachment is know ask them to resend the information without the attachment and to include the attachment information inside the body of the message. Ownership of electronic mail is the property of the employer.
Many employers have regulations about using e-mail at the work place.
Even if the material is not protected by copyright laws, no one likes a thief. SPAM is not yet illegal. The Internet adds your computer to the global community. Language and humor have different meanings in different parts of the world. Be careful with sarcasm and ethnic humor.