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mail bomb

Also called email bomb. a very large number of emails sent to a single email address or computer network, usually causing a server or system crash.
verb (used with object), verb (used without object)
Also, mail-bomb. to send a mail bomb to (an email address or computer network).
Origin of mail bomb
1970-75 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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mail bomb in Technology
To send, or urge others to send, massive amounts of electronic mail to a single system or person, with intent to crash or spam the recipient's system. A successful mail bomb may cause the victim's disk quota to be exhausted, the disk holding his mailbox to fill up, or his computer to spend a large proportion of its time processing mail.
Mail-bombing is sometimes done in retaliation against someone persistently abusing Usenet and violating netiquette. While it may inconvenience the intended victim (if they gave their real address), it will probably also inconvenience other users and administrators of the computers and networks involved. Mailbombing is thus a serious offense itself.
See netiquette for the correct way to respond to perceived violations.
Compare letterbomb, nastygram.
[Jargon File]
The Free On-line Dictionary of Computing, © Denis Howe 2010
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