greylist (English, noun)
expansion: greylist (plural greylists)
Senses:
topics: law
glosses: A list, resembling a blacklist, for less serious offences.
glosses: A technique for blocking spam (junk e-mail) by temporarily rejecting mail from unknown senders. A legitimate sender is likely to try sending again after a delay.
tags: Internet
Forms:
form: greylists
tags: plural
form: graylist
tags: alternative