Single opt-in maximizes list growth in exchange for taking on higher deliverability risks, while double opt-in minimizes deliverability risks in exchange for slower list growth.
Permission to send email to your subscribers comes in many forms, ranging from weak to strong. Obtaining permission, or consent,
SendOffice is a proponent of explicit prior permission (opt-in) and strongly recommends double opt-in (subscription confirmation), even if this is
We have certain requirements all of our users must follow, and recommend some best practices that you can keep your audience well and productive.