Hello there, steve-mitchard.
The option to see emailed invoices from the email provider's sent email page is unavailable. However, we can use the Audit Log Report to show emailed invoices that were sent.
Under the EVENT column, a status will indicate Emailed Invoice No. XXXX. We can click View to more details.
If we want to receive a message of the transactions that we send, we can use the Email me a copy option. Let me show you how:
You can also check out these article for more information about emailed invoices and receiving payments.
I'm here if you need anything else. Thanks!