LINKS Simulation Inputs: E-Mail Address Management If you used a different e-mail address to pay for LINKS participation via PayPal, we cannot correlate your payment with your official LINKS e-mail address in the LINKS Simulation Database (as provided to us by your LINKS instructor) without additional information from you.Please note that the LINKS staff must manually check/validate the information that you provide. This may take a day or so to complete, to fully update the LINKS payments records. Thank you, in advance, for your patience and understanding. LINKS Instructor's Last Name? Your LINKS E-Mail Address? Your PayPal Payment E-Mail Address? Contact Us LINKS® is a registered trademark of Randall G Chapman. Copyright © 2004-2018. All rights reserved.