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SMTP test email fails with unknown error in SANtricity system manager

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e-series-santricity-management-software
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esg
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Applies to

  • NetApp E-Series
  • SANtricity System Manager

Issue

When configuring SMTP alerts in SANtricity System Manager for a E-Series node , test emails fail with the  error:
 
Email test failed because:
There was an unknown error with the mail server
web-server-trace-log shows :
jakarta.mail.MessagingException: Got bad greeting from SMTP host: <smtp server>, port: 25, response: 421 4.3.2 Service not available

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