Not sure what else to recommend then Wolfy. I tried it again just to verify and received the email in a matter of seconds. Usually it's a typo, or extra space issue or something simple like that.
You're welcome to send an invite to the retired nivlac account to verify. Just click that link, visit the profile and click the invite to country club button. After clicking the button you'll be shown a message saying that the invite has been sent. Let me know when you've sent it.