itsmir Posted June 19, 2017 Share Posted June 19, 2017 Since upgrading this morning to v7.2.2 the PayPal IPN is not working and showing a 406 error WHMCS Gateway logs show 'IPN Handshake Invalid' I have checked all setting and ensured charset is set to UTF-8 Can anyone help? Thanks 0 Quote Link to comment Share on other sites More sharing options...
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