Re^2: How do you use Paypal IPN with Dancer2?

(Also your server's IPN URL must use HTTPS
This is not true. Some people have it working on HTTP.

What you are doing with this part of the code can cause servers to return HTTP 500 Internal Server Error because of malformed header format. The server always sets that header not your program. PayPal requires the HTTP 200 response to be a text/plain header.

# respond to Paypal's initial HTTP request
print "HTTP/1.1 200 OK\r\n\r\n";
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Re^3: How do you use Paypal IPN with Dancer2? by lancer (Scribe) on Jul 18, 2016 at 13:27 UTC
Thank you for the feedback! I have edited the part about using HTTPS-only URL-s. The code where the HTTP 200 header is returned seemed to work for me in that exact form.* (Note, I was using HTTP::Server::Simple, where your program has to print the HTTP status line and all headers.) * Actually I'm not sure about that. I will check it sometime soon and update this post if I can verify that.	[reply]