februari 22, 2020 HubSpot Email Marketing Examen 0 reacties Terug 79. What are the three levels of opt-in? Het correcte antwoord is: Opt-in, opt-out, and neutral Berichtnavigatie Vorige Vorig bericht: 40. Fill in the blank: Return on investment is used in many aspects of your inbound strategy. In your email marketing strategy, it is defined as the overall return your ________.Volgende Volgend bericht: 81. True or false? You need a web designer to design your marketing emails.