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AutoSupport not working after SMTP server changed

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Category:
storagegrid
Specialty:
sgrid
Last Updated:

Applies to

NetApp StorageGRID

Issue

  • AutoSupport over SMTP is not functioning. User triggered Autosupport fails.
  • Email setup is also experiencing issue; test emails are not being received. 

bycast.log shows the following errors:

Jan 16 13:12:22 xxxxxxxxxx1 MI:  |2026-01-16T13:12:22.134| ERROR   [DataConnectionManager] EmailServerConnection.java:126: Invalid mail configuration: 535 Incorrect authentication data#012

Jan 16 13:12:22 xxxxxxxxxx1 MI:  |2026-01-16T13:12:22.134| ERROR   [DataConnectionManager] EmailServers.java:403: EmailWrapper is null.#012Failed to send test email.

 Jan 16 13:37:28 xxxxxxxxxx1 Caused by: javax.mail.MessagingException: Received a bad greeting from SMTP host: xxxxxxxxx.xxxx.x.xx, port: 25, response: 550 Too many failed authentication attempts

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