Symptom:
1. user hope when sponsor create guest can receive notification by check "copy me"
    currently thorugh this feature is okay, but not easiy, due need sponsor manually to input 
    the contents on "sponsor's email address"
2. sponsor exist in external ldap server, with email address predefined, user hope when sponsor
    pass authentication during login sponsor portal, the ISE can fetch sponsor'semail information
    from ldap server also
3. when create guest user, just check "copy me" option, and not need to manually to input 
    the sponsor's email address contents every time.

Conditions:
1.3.0.876