Unable to send a security code. Please contact your help desk for assistance in FIM 2010 R2

Hi,

I have been Successfully registered with emailid in FIM 2010 R2 Password Registration Portal.but when go in FIM 2010 R2 Password Reset Portal and gives all right answers of questions after this gives fallowingerror:Unable to send a security code. Please contact your help desk for assistance.

Regards

Anil kumar