Has anyone come up with clear solutions to mass email invoices? I am working on a method now, but it feels a bit clunky and wondered if others had simpler solutions. I am using a workflow to push multiple email address (separated by ; ) from the customer record all the way to the invoices and then have a mass update check a box on the invoice record that runs an email workflow with the invoice attached as PDF.

You can user a Map/Reduce Script to get the invoices to send. use render.transaction() to get the printed PDF and then send the email using SuiteScript. You can put the emails on the invoice or customer record.. I think the limit is 10