Infrastructure

Thanks for the poke. In appears we ran into this regression: https://issues.jenkins.io/browse/JENKINS-64141 . Let's see if explicitly setting the SMTP hostname to INDARR_LOOPBACK helps.

Guilhem Moulin wrote:

Let's see if explicitly setting the SMTP hostname to INDARR_LOOPBACK helps.

Seems it does, at least it started again sending messages to the list. (Oddly enough an empty server hostname didn't prevent testmail delivery, only those in the post-build hooks.)