I am using Meetup.com for an event. I'm using PayPal to collect the attendance fee. a) How do I enable IPN? b) What link do I put into the link space so that the person is automatically RSVP'd upon sending payment? As a special bonus question: c) Why, after I have logged into my PayPal account, and then enter something into the search box for help, does it show me as logged out? Thanks!
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