Yahoo is having issues delivering email :(. They claim to have corrected the issue. I'd suggest telling the people with Yahoo addresses to try again. If Yahoo continues not delivering the mail to them, I'd recommend switching to a different email address.
Another E-mail — JW Kline - Forum Operator,Wed Nov 18 17:58
Hey my name is joe and I have tried to sign up for your forum and I haven't received a conformation letter. My email is yahoo.com If you can help with this matter that would be great. Thanks Sent via ... more