A chain mail may refer to any of the following:
1. Alternatively referred to as a chain letter, a chain mail is a forwarded e-mail sent unbeknown to e-mail contacts containing false information or a myth because of sympathy or a scare. Below are two fake examples of common chain mails.
In the first example, this e-mail plays on an individuals sympathy. While the information about the sick or dying individual may or may not be true, there has never been a company or organization that would donate money just for forwarding an e-mail.
In the second example, a common myth or scare is sent out and because it seems significant or frightening, the recipient feels inclined to let all their friends know. A good rule of thumb to follow is if the mail sounds unbelievable, but has never been mention on a reputable news sources, it is not true. Don't forward these e-mails even if it claims its never been mentioned because of a cover-up or conspiracy.
This e-mail contains information about a sick or dying individual. Please forward this e-mail to as many people as possible. This large company or organization will donate money for each e-mail address that receives this message.
Please be aware of a major news story, political event, disaster, disease, miracle, product, or other warning. Please forward this to everyone you know to help them or warn them about the above article.
<popular or well known company, e.g., Microsoft> is giving away money, having a lottery, sending prizes, etc. to anyone who forwards this e-mail.
Overall, a chain mail is a form of spam and in some cases is used to grab individuals' e-mail addresses for spam. Therefore, as a kindness to all your contacts in e-mail, do not forward these e-mails and instead delete it.
2. When referring to a game or armor, the term chainmail is used to describe armor that is made by connecting a series of small rings together. Chainmail is commonly more protective than ringmail armor.