greylist

== English == === Alternative forms === graylist === Etymology === From grey +‎ list. === Pronunciation === === Noun === greylist (plural greylists) (law) A list, resembling a blacklist, for less serious offences. (Internet) 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. === Verb === greylist (third-person singular simple present greylists, present participle greylisting, simple past and past participle greylisted) (transitive) To place on a greylist. ==== Translations ====