My Mautic version is: v4.2.1
My PHP version is: 7.4.29
My Database type and version is: MySQL 5.7
My problem is:
Unable to do Email sendout VIA sparkpost API, right now we are sending VIA SMTP and that is slow.
These errors are showing in the log:
When trying to send email by sparkpost API getting unauthorize! error. Screenshot attached.
Steps I have tried to fix the problem:
I have no clue how to solve this, so please suggest!