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AutoSupport fails with SMTP authentication error (client not authenticated)

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6
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
core
Last Updated:

Applies to

  • ONTAP 9
  • AutoSupport configured with SMTP transport

Issue

AutoSupport SMTP failure with error message
Fri Jan 23 2026 10:03:37 +07:00 [kern_notifyd:info:2375] (category: 2375:160:deliver) (emittime: 1/23/2026 09:50:53) (message: MAIL FROM:<abc@test.com)
Fri Jan 23 2026 10:03:37 +07:00 [kern_notifyd:info:2375] (category: 2375:160:deliver) (emittime: 1/23/2026 09:50:58) (message: 530 5.7.57 Client not authenticated to send mail. [abc.prod.test.com 2026-01-23T02:50:57.339Z 08DE59D3773B31A1])
Fri Jan 23 2026 10:03:37 +07:00 [kern_notifyd:info:2375] (category: 2375:160:deliver) (emittime: 1/23/2026 09:50:58) (message: MAIL failed: 530)
Fri Jan 23 2026 10:03:37 +07:00 [kern_notifyd:info:2375] (category: 2375:160:deliver) (emittime: 1/23/2026 09:50:58) (message: shutting down connection #0)
Fri Jan 23 2026 10:03:37 +07:00 [kern_notifyd:info:2375] (category: 2375:160:deliver) (emittime: 1/23/2026 09:50:58) (message: Failed to transmit smtp asup 160, curl error(55): Failed sending data to the peer)

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