I'm a bit confused about the Invoice Sales Orders bulk invoicing page. To Be Emailed is set to yes, but emails are not going out. Customers have emails on their records, but do not have the preference set to email. There is no email under To Be Emailed on the SO or the generated invoice. Will it not carry over if the SO didn't have an email address to begin with? Our user wants the email to carry from the customer but not have the preference to always email and doesn't want to add it manually to the SO. I'm not sure this is a sensible way to manage the emailing of transactions (they're having to do a lot of manually checking because it's a new account). So yes under To Be Emailed on the bulk invoice page only inherits the email from an SO or will it look at the customer record if none is present?

I believe it only takes the email from the transaction

Can this be accomplished without a script? Would a WF suffice?

Yes a workflow can source the email onto the transaction. But it should be happening natively already

Right, it isn't happening. I'm not sure why. That's what I'm trying to resolve.