Client invite emails not being received. All Inuit server addresses have been whitelisted, but the server log files show no attempted SMTP connections from any inuit?

Hi blake-infolog-ca,

Welcome to the Community. QuickBooks Online is a flexible program that simplifies the way you manage your books. I'd be glad to help.

I encourage you to reach out to our customer support team to take a closer look at your account regarding client invite emails. Here are the options available to contact our team. 

• Phone: Call us at 1-855-253-1536
• Schedule a Callback: click (?)Help in the upper right in QuickBooks Online > type and enter "Contact support" into the QB Assistant > click Contact Us > explain your situation > click Let's Talk > choose Get a callback or Start.
• Visit this article for the support hours: Get help with QuickBooks products and services.

Let me know if you have questions, I'll be happy to help.