Use sonic IPN - very advanced options. You can set many rules, wildcards, can also be integrated with ClickBank, ThriveCart and other systems for the same site, multiple sites and set forwarders as needed per product. Super advanced. Used by Internet marketers. From my bad experience: Avoid like a plague the angelleye PayPal IPN forwarder plugin - very dishonest vendor he is. I purchased his plugin when it was the pro upgrade to his free WordPress repository one. Alas, he removed the free one a short time ago and began charging for it. He has the right of course. However, as a paid customer I should be getting it free since it's part of my purchase of the upgrade and the pro plugin does not function without having also the basic one installed and the updater plugin installed. So now he's demanding money also for the basic plugin when I just need the forwarder functionality. Super dishonest and scammy behavior.
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