Quoting Monit (2022-11-10 18:32:31)
Connection failed Service gettor-smtp
Date: Thu, 10 Nov 2022 18:32:31 Action: alert Host: server01 Description: failed protocol test [SMTP] at [gettor-01.torproject.org]:25 [TCP/IP] -- Cannot resolve [gettor-01.torproject.org]:25
We have retired the old gettor, I'll update the moonit rule for the new rdsys based one.