It can take several days to update - at least in my case.
Also if you are using CloudFlare or something similar there are additional steps to be done.
This topic helpe me alot: How to troubleshoot email open rate being 0%?
It can take several days to update - at least in my case.
Also if you are using CloudFlare or something similar there are additional steps to be done.
This topic helpe me alot: How to troubleshoot email open rate being 0%?