407868 oscommerce simple job

Hello, I have an website [login to view URL], made in oscommerce, i have Mollie gateway(Ideal) installed in my website for payment gateway, but i am facing an issues since 4-5 days, when any customer paying through Ideal, they don't getting order emails while if anybody is paying with pay pal, they are getting order emails, i will help programming in file structure, if anybody can finish this job today, i am ready to work with him. thanks in advance.