nolisting

English

Etymology

From no +‎ list +‎ -ing.

Noun

nolisting (uncountable)

1. (Internet) A technique for blocking spam (junk e-mail) by configuring a non-existent server as the primary MX record, so that initial contact always fails. A legitimate sender is likely to try the next server, which should succeed.

Anagrams

• Islington