Do you know the difference between a double or single opt-in and an implicit opt-in? The question is answered in this primer on opt-in email marketing.

Permission is not a fun topic, but it’s an essential one if you are working with content in 2023. The need for establishing permission through an opt-in has always existed as long as the internet has ...

A myriad books and articles have been written lately about the validity of opt-in lists, which are advantageous both for click-and-mortar and for brick-and-mortar companies. Once you have targeted ...

Opt-in news reports that during the 2001 holiday season, direct HTML e-mail was the most-used form of opt-in e-mail marketing among advertisers in the US -- 54.2% used direct HTML e-mails to advertise ...