teergrube: /teer'groob/ n. [German for `tar pit'] A trap set to
punish spammers who use an address harvester; a mail server
deliberately set up to be really, really slow. To activate it,
scatter addresses that look like users on the teergrube's host in
places where the address harvester will be trolling (one popular way
is to embed the fake address in a Usenet sig block next to a
human-readable warning not to send mail to it). The address
harvester will dutifully collect the address. When the spammer
tries to mailbomb it, his mailer will get stuck.
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