It works now, I have not read anywhere I need a certificate from paypal....
Not sure Im doing right, I found this iformation from 2009 but it talks about verisign and I have godaddy, anyway I downloaded the api_cert_chain.crt and uploaded it to where my ipn.php and ipnlistener are. And at least the test works, I got an ok email.
I supposte this file must be somewhere in paypals guide, but I have not understood, its so huge to understand.
As I dont use any software or plugin, I do all coding myself, but I ever done something like this.
"Last week (on Sept 22-24th) PayPal renewed their SSL certificates with VeriSign. The result? Many broken websites and a lot of developers scratching their heads. Luckily, the fix is pretty easy. You just need to update the .crt file contained in your application’s PayPal plugin.
The instructions here assume you’re getting the following error, and that you’re running PHP. If you’re not running the PHP version of the API then search their downloads for the right SDK – the process is the same.
curl_exec error 60 ssl certificate problem verify that the ca cert is ok
Copy the api_cert_chain.crt file from that .zip into the following directory on your site: