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Cannot connect to SMTP server from SC UI with SSL

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Category:
snapcenter
Specialty:
snapx
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Applies to

  • SnapCenter Server (SC) 4.5 and above
  • SC SMTP connection

Issue

  • Test Mail sent from SC Notification Server Settings fails with the eror seen in the SC UI:

Client does not have permission to submit mail to this server. The server response was: 4.7.0 Connection is not TLS encrypted. Recipient organization requires TLS

  • ​​​​​​​​​​​​​​PowerShell (PS) command Set-SmSMTPServer fails with the same error.
  • If the non-SC PS command Send-MailMessage is run from the SC server with -UseSsl switch, the connection works and a test email is sent to the recipient.

 

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