A robot that searches web pages and/or filters netnews traffic looking for valid email addresses. Some address harvesters are benign, used only for compiling address directories. Most, unfortunately, are run by miscreants compiling address lists to {spam}. Address harvesters can be foiled by a {teergrube}.
[glossary]
[Reference(s) to this entry by made by: {mung}{spam bait}{spamblock}{teergrube}]