Your software
My Mautic version is: 2.16.5
My PHP version is: PHP Version 7.2.24
My Database type and version is: Apache
Your problem
My problem is: I’m wondering how I can troubleshoot the following scenario. My mail sending is somewhat stuck in 4700 and something emails, despite my list having over 8000 contacts. How can I see only the opt-out? To check if that’s the difference? (8000 minus opt-outs =4700) Or is there a sending limit somewhere?
I would go and create a segment and use the unsubscribe filter to get a list of all the unsubscribes and set the operator as does not equal yes:
If this is your entire list you could add to the segment and OR operator and add the filter email read count is greater than 0
This will give you a new segment of all the people who have not yet opted out, but have already read the email, or you could go a step further to be more precise and use the email read is not equal to the email that got stuck.
Besides that you should think about moving to the latest version of Mautic as well…
This will then give you a segment of all the people who are