If you utilize various services and apps for checkout, you are often allowed to add an opt-in checkbox at final checkout. Often times, you have already requested the customer’s email address in order to send them a receipt, but it is important that you also ask them to opt-in rather than just assume that you have the green light to send them email.
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Your blog provides a great way to build a personal relationship with customers and prospects — and to gather their email addresses. Consistently end blogs with a call to action that encourages readers to sign up for your email messages. Require blog visitors to provide an email list in order to leave comments, and set it up so that they have to actively opt out if they don’t want their email address included on your mailing list.