Failed email alert, try again attempts

[shurushetr]

What version of Invoice Ninja are you running? ie v4.5 / v5
v5

What environment are you running?
Docker

Have you searched existing issues/requests?
Yes, none found

Screenshots

Additional context
Currently, there is no notification about failed email sending attempt. User can only find out about it from a customer or from looking at the logs.
In addition, the system doesn't seem to try to send an email again.
It would be nice to receive a UI alert when email delivery failed. Having settings on number and timing of new attempts would greatly improve the success rate.

Linked forum thread - https://forum.invoiceninja.com/t/failed-email-notification/15025

[shurushetr]

another addition would be nice to set failed email stattus where aplicable.

[TekWarren]

Very interested in this feature! Should be standard in my opinion :)