When you visit a website, you’ll often see a pop-up window presenting the option to enter your email address to receive a discount or free shipping. After entering your email address, you can take ...

My last Email Insider column ("Email Industry Disagreements: Where Do You Stand?") touched off the start of some good debate over single vs. double opt-in (also called confirmed opt-in) that went ...

Opt-in News announced the availability of their "Email Marketing Factbook", which contains opt-in email industry research from 1999 to the first quarter of 2002. This report contains documentation ...