dead letter box
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dead letter box
[¦ded ′led·ər ‚bäks] (communications)
A file for storing undeliverable messages in a data communications system, particularly a message switching system.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
There are even electronic
dead letter boxes. Four years ago the FSB accused British spies of concealing hi-tech devices inside hollowed out rocks.
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