SMTP Health Check
Available since version 3.4.0
This feature is not AEM as a Cloud Service compatible; starting with the release 4.6.2 this feature is disabled on this platform (including the SDK).
SMTP E-mail Service Health Check
This health check attempts to connect to the SMTP server defined in the Day CQ Mail Service OSGi Configuration and send a test e-mail to an OSGi configured e-mail address (see sample OSGi configuration below).
Note, this health check can take some time to fail if the timeout.
How to use
Enable the STMP Health check by creating an OSGi Configuration under
Health Check Tags