Snippet of my alertmanager.yml file:
global:
smtp_smarthost: "smtp.office365.com:587"
smtp_from: "[email protected]"
http_config:
oauth2:
client_id: "76214c65-6283-4368-abbe-987********"
client_secret: "Vp_8Q~********~97~*********~b~D"
token_url:
"https://login.microsoftonline.com/5d471751-917b-********/oauth2/v2.0/token";
scopes: ["https://outlook.office365.com/.default";]
tls_config:
insecure_skip_verify: true
endpoint_params:
grant_type: "client_credentials"
But as I load the alert manager and wait for the emails being sent I get
the below error:
time=2025-05-08T15:16:47.536Z level=ERROR source=dispatch.go:360
msg="Notify for alerts failed" component=dispatcher num_alerts=1
err="email-alert/email[0]: notify retry canceled after 7 attempts:
send MAIL command: 530 5.7.57 *Client not authenticated to send mail.*
[*****.INDP287.***.OUTLOOK.COM 2025-05-08T15:16:42.409Z.****]"
What is wrong with my configuration in prometheus? I have duly followed the
links here
-
https://prometheus.io/docs/prometheus/latest/configuration/configuration/#oauth2
-
https://learn.microsoft.com/en-us/exchange/client-developer/legacy-protocols/how-to-authenticate-an-imap-pop-smtp-application-by-using-oauth
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