I would like to have a landing page that allows people to sign up for multiple mailing lists in one spot. I can see how to select Email Lists for an Inline form or a pop-up, but I can't figure out how to select Email lists for a landing page - it asks which list we want to add to, but we have to select a single list, which is not helpful. We'd like our guests to be able to sign up for multiple lists with a single click. Thanks in advance for any advice!
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