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    • https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/AutoSupport_via_SMTPS_fails_by_SMTP_connectivity_check_failed_for_destination_due_to_invalid_port
      SMTP connectivity check fails although username does not contain @ while AutoSupport configuration with SMTP authentication Warning: SMTP connectivity check failed for destination: AUTOSUPPORT-CHECK.X...SMTP connectivity check fails although username does not contain @ while AutoSupport configuration with SMTP authentication Warning: SMTP connectivity check failed for destination: AUTOSUPPORT-CHECK.XML indicates SMTP connectivity check failed for destination with timeout Detailed Description of Error:SMTP connectivity check failed for destination: user%40host.com:465. Error: Timeout was reached when connecting to the server - '<SMTPS_SERVER>:465'