double opt-in

noun

The situation where a subscriber to a newsletter etc. first provides their e-mail address and then receives a confirmation request to that address, requiring them to take further action (such as clicking a hyperlink) to activate the subscription.

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Meanings

noundouble opt-in (uncountable)
  1. InternetuncountablebusinessThe situation where a subscriber to a newsletter etc. first provides their e-mail address and then receives a confirmation request to that address, requiring them to take further action (such as clicking a hyperlink) to activate the subscription.
Cite this entry
APA

double opt-in. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/double%20opt-in

MLA

“double opt-in.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/double%20opt-in. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “double opt-in,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/double%20opt-in.

Source: double opt-in on Wiktionary, CC BY-SA 4.0.