If you’re using MailChimp to handle your email marketing needs, you should have received an email today stating that, "Starting October 31, single opt-in will become the default setting for all MailChimp hosted, embedded, and pop-up signup forms.” What is single opt-in? Why should you care? What other changes should you be concerned about? We’ll cover all of that here. Single vs. Double Opt-in Whenever someone signs up for your mailing list, you have the option of making that a single or double opt-in. Single Opt-In simply means that as soon as they fill in and submit a subscription form with a valid email address, they’re subscribed. They’ve opted in with a single action. Double Opt-In adds an extra layer of security to prevent other people from signing you up for email lists you aren’t interested in. After the form is submitted, a confirmation email is sent that includes a link you must click in order to successfully subscribe. That means in order to opt-in, they have to complete a double action. Theoretically, a double opt-in is more secure and protective of email users and their privacy. However, since it adds an extra step, it also results
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