Check to see if your email server is using “greylisting” for spam protection. Greylisting can delay (or prevent) email delivery from an unknown source. If it is using greylisting, turn it off temporarily (until you receive your email). Additionally you can whitelist PayPal’s domain. Be sure to include wildcards at the beginning and end of your whitelisted domain to cover domain variations. With either method, you’ll probably need to resubmit to receive another confirmation email from PayPal. Good luck!
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