Your search for "spam" returned 9 results:
DONE Honeypot (Spamtrap)
Blacklist the sender IP address of those writing to specific local email addresses, e.g. addresses published on
the company web site specifically as honeypot (spamtrap) addresses. This feature would be based on the assumption
that whoever sends email to the honeypot address(es) must be a wrongdoer, because the honeypot address may be
collected only by robots scanning the internet (and the web, specifically) for email addresses, which is a typical
spammer behavior.
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