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StorageGRID alert email notification failure to external SMTP server

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storagegrid
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sgrid
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Applies to

NetApp StorageGRID 

Issue

  • Email alert notifications in StorageGRID are not working. 
  • Alerts are triggered, but no email is sent.
  • The following errors may be observed in Prometheus.log

Jan 24 22:50:01 N1-Node[16069]: ts=2026-01-24T22:50:01.536Z caller=notify.go:732 level=warn component=dispatcher receiver=email-receiver-68b59e29-c607-4685-8127-aaaaaa integration=email[0] msg="Notify attempt failed, will retry later" attempts=9 err="createSMTPclient: read tcp 10.XXX.XX.XXX:32774->10.56.XXX.X:X: read: connection reset by peer"

Jan 24 22:50:07 N1-Node[16069]: ts=2026-01-24T22:50:07.063Z caller=dispatch.go:352 level=error component=dispatcher msg="Notify for alerts failed" num_alerts=1 err="email-receiver-68b59e29-c607-4685-8127-aaaaaa/email[0]: notify retry canceled after 20 attempts: createSMTPclient: read tcp 10.XXX.XX.XXX:32774->10.56.XXX.X:X: : read: connection reset by peer"

Mar  6 07:04:35 node01 ALRTMGR[31011]: ts=2026-03-06T07:04:35.111Z caller=dispatch.go:352 level=error component=dispatcher msg="Notify for alerts failed" num_alerts=2 err="email-receiver-e0e1cb11-b36d-4350-a769-eeeeee/email[0]: notify retry canceled after 2 attempts: establish connection to server: dial tcp 10X.XXX.XXX.XX:25: i/o timeout"

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