mailbomb

1. v. To send, or urge others to send, massive amounts of email to a single
system or person, esp. with intent to crash or spam the recipient's system.
Sometimes done in retaliation for a perceived serious offense. Mailbombing
is itself widely regarded as a serious offense it can disrupt email traffic
or other facilities for innocent users on the victim's system, and in
extreme cases, even at upstream sites. 2. n. An automatic procedure with a
similar effect. 3. n. The mail sent. Compare letterbomb , nastygram , BLOB
(sense 2), list-bomb.