graymail
verbEtymology From gray + mail: in the threat sense, by analogy with blackmail.
noun, verb — 3 senses
Etymology From gray + mail: in the threat sense, by analogy with blackmail.
Internet Email that is not technically spam (since the user agreed to receive it) but which is unwanted, such as newsletters after making a purchase.
Etymology From gray + mail: in the threat sense, by analogy with blackmail.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.