Contact list

From Wikipedia

If the variable $rts_cust_acc (s.o.) is set to '1', no customer is able to place a request , the customer is not listed on the contact list, and the customer has not been set aware, to use his listed surname, as case sensitive password. Using this mode all possible customers must be part of the contact list. Never the less any user is able to implement new user. For any new customer it is a must to have at least the surname and a valid email address in the database. At last the user has to valid, if the customer is public to any user.