If someone signs up and uses an old email address as a referral (which I just changed on PBS not too long ago), will I still get credit for the referral? I had given out my old email address for PBS referrals and no longer have access to it, so I had to change it.

Don't hold me to this 100% but from what I understand if you have the person email R and R ..or write them in feedback that YOU at your NEW email addy referred them they will get you your credit.  They need the member you signed up to do it as well as explain why the mix up