If you have multiple email addresses registered for a business partner, you can specify which one a particular document will be sent to. Follow the steps below:
go to the menu Business Partners – Company Addresses,
open the business partner record and, on the Contacts tab at the bottom, click the relevant contact,
on the Details tab, check the types of documents you want to send to that email address, e.g. invoices, orders, quotes, inquiries,
save your selection by clicking Save and Close.
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