Thanks for your reply, Jon K. I actually have an update: I talked with a specialist at PayPay today by the phone, and she said she could not help as there were no records of the payments being initiated by PayPal. So there was no other choice than go through all the settings of my website control panel... I forgot that I changed my email address (old one was hacked) but forgot to change it in one of the settings in there. The moment I corrected that, two orders came in right away. You see, my company is U.S. based and we only accept orders from the U.S. and everything has been working fine for almost five years... however, my host is in Australia and maybe the email address discrepancy triggered some automatic flag. Anyhow, seems to be working now and if something else comes by I will let everybody know.
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