[gabriel]

After a few tests, I’ve managed to find out that a plugin that I have under development was altering $_POST by applying htmlspecialchars() to the values. After removing that filter, PayPal IPN gets verified and everything works as it should. Thank you for the tip of checking the plugins. I thought the problem has a different cause as most of the time it validated, yet sometimes it didn’t.

[gabriel]

I’ve updated both plugins with the latest versions and got the same result: IPN Validation Failed:

<br />

[09/19/2013 5:54 PM] - SUCCESS :Paypal Class Initiated by 173.0.81.1 eStore Version: 6.9.9.2<br />

[09/19/2013 5:54 PM] - SUCCESS :Post string : [redacted]

[09/19/2013 5:54 PM] - SUCCESS :Connection to www.paypal.com successfuly completed.<br />

[09/19/2013 5:54 PM] - FAILURE :IPN validation failed.<br />

[09/19/2013 5:54 PM] - SUCCESS :Paypal class finished.<br />

Any ideas?

[gabriel]

Hi, I’d like to know what was wrong with it and WHY it did not work in this specific situation, as it usually works fine. I will load a fresh copy of both WP eStore and WP Affiliate then let you know.

PS: I’m not using any caching plugin. I used to do that, though.

[Author]

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