Meaning of double opt-in | Babel Free
Definitions
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.
Internet, uncountable
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.