A malicious act where huge numbers of e-mails are directed to a specific system or a targeted user of that system. Mail bombs will usually fill the allotted space on an e-mail server for the users e-mail and can result in crashing the e-mail server, or at the very least, possibly rendering the user’s computer useless as their e-mail client attempts to download the huge amounts of e-mail. Also called a mail bomb.
E-mail bomb is different from bomb which usually refers to a program hanging or ending prematurely.