Once I had fixed the smtp_smarthost line to include quotes and a port number, the config you gave validates just fine for me.
So if you have a problem with this config, you need to describe what the symptoms are (since the symptoms you gave previously no longer apply). I'm afraid I can't guess what your system may or may not be doing. root@prometheus:~# *cat test.yml* global: resolve_timeout: 5m smtp_smarthost: '*********:25' smtp_auth_username: '*********' smtp_auth_identity: '********' smtp_auth_password: '******' smtp_from: '[email protected]' smtp_require_tls: false route: group_by: ['alertname'] group_wait: 10s group_interval: 10s repeat_interval: 24h receiver: 'App-Kafka-Support' receivers: - name: 'App-Kafka-Support' email_configs: - to: '[email protected]' send_resolved: true headers: subject: '{{ if eq .Status "firing" }} DOWN {{ else if eq .Status "resolved" }} UP {{end}}' root@prometheus:~# */opt/alertmanager/amtool check-config test.yml* Checking 'test.yml' *SUCCESS* Found: - global config - route - 0 inhibit rules - 1 receivers - 0 templates root@prometheus:~# -- You received this message because you are subscribed to the Google Groups "Prometheus Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-users/7c21c10a-9020-4d6e-9322-7b99be594367n%40googlegroups.com.

