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 ...
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What is opt-in email marketing?
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 ...
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