WordPress POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress has an update with v 2.5.9.1
The plug-in just updated at Tuesday 8 August 2023. This v is tested till 6.2.2.
At this moment it has 300000 active installs at several WP sites.
The first vers was released on Sunday 15 Oct 2017, and it is downloaded 8409758 times.