Chiming in to perhaps get this more attention.

Emails (specifically invoices) cannot be sent in a timely manner.  It is NOT because my system needs to restart. It is NOT because I need to update. It is NOT because I need to upgrade.  Is is NOT my internet provider or connection.

Don't send your PAYING USERS to customer service to do it ourselves. It is a SYSTEM issue. We pay for you to run a viable system and platform.