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PayPal Instant Payment Notification Warning

Posted: Wed Oct 08, 2025 3:57 pm
by drtom
Hey Folks,

Got an email this morning that I initially suspected was spam, since I've be receiving IPNs from PayPal just fine.

But it's legit and after looking into it and checking everything I can think of checking, I cannot figure out the problem. What does occur to me is that maybe Phoenix cart was down for a bit.

What do you think?

Re: PayPal Instant Payment Notification Warning

Posted: Wed Oct 08, 2025 4:05 pm
by BrockleyJohn
Did you check out the IPN history in your paypal account? That sometimes gives a clue... I'll see if I can find it, doubtless it's moved since I last looked

Re: PayPal Instant Payment Notification Warning

Posted: Wed Oct 08, 2025 4:08 pm
by BrockleyJohn

Re: PayPal Instant Payment Notification Warning

Posted: Wed Oct 08, 2025 4:11 pm
by BrockleyJohn
clicking on the message id in the list takes you into a detail view which will at least tell you the http response code if it got one

Re: PayPal Instant Payment Notification Warning

Posted: Wed Oct 08, 2025 5:05 pm
by drtom
BrockleyJohn wrote: Wed Oct 08, 2025 4:05 pm Did you check out the IPN history in your paypal account? That sometimes gives a clue... I'll see if I can find it, doubtless it's moved since I last looked
I did cherck it and see that there's two instances yesterday. From what I can gather someone tried to make a purchase twice within minutes without success.

Re: PayPal Instant Payment Notification Warning

Posted: Wed Oct 08, 2025 5:07 pm
by drtom
BrockleyJohn wrote: Wed Oct 08, 2025 4:11 pm clicking on the message id in the list takes you into a detail view which will at least tell you the http response code if it got one
HTTP response code 404

I also see PP has made many attempts to send, the latest this morning.

Re: PayPal Instant Payment Notification Warning

Posted: Wed Oct 08, 2025 5:10 pm
by drtom
Could the notification URL have changed without my knowledge?

Re: PayPal Instant Payment Notification Warning

Posted: Wed Oct 08, 2025 5:42 pm
by BrockleyJohn
Those details will tell you the url it's hitting - is it correct for your site?
Do you use the same paypal account on other sites, ebay, etc?

Re: PayPal Instant Payment Notification Warning

Posted: Wed Oct 08, 2025 7:31 pm
by drtom
BrockleyJohn wrote: Wed Oct 08, 2025 5:42 pm Those details will tell you the url it's hitting - is it correct for your site?
https://www.myshop/ext/modules/payment/ ... rd_ipn.php

How would I check if it's the right URL? Seemed like it was working before, and I've not changed it.
BrockleyJohn wrote: Wed Oct 08, 2025 5:42 pm Do you use the same paypal account on other sites, ebay, etc?
My PP account applies strictly to this shop.

Re: PayPal Instant Payment Notification Warning

Posted: Wed Oct 08, 2025 7:39 pm
by ecartz
Try visiting the URL.

Look in your file manager and see if the file is there.

Check that you don't have access to the ext/ directory turned off in a .htaccess file or similar.