1. Go to Hello, Name! > Contacts > Choose Add New from the Contacts menu.

2. Enter the contact details.
You must enter an email address.
Other contact details are optional.

3. Check the Email Notification checkboxes to set the email categories to send the contact copies of.
================
Support contacts do not receive copies of all support tickets. They can open tickets themselves via email and will only receive emails when an admin replies to a ticket they opened. The main client will receive copies of all Support Tickets.
================

4. Click Add Contact.

https://billing.shinjiru.com.my/index.php?rp=/account/contacts 

Alternatively, may just contact billing team for further assist, which they can be reach via

International customer (Shinjiru.com) - payment@shinjiru.com 
Local customer (Shinjiru.com.my) - payment@shinjiru.com.my