PowerStore: Unable to Configure ESMTP Mail Servers

Summary: Attempting to configure ESMTP mail fails with the error message: "Failed SMTP configuration test, Reason: Could not connect to host, port: smtp.office356.com, 587; timeout 25000" (User Correctable) ...

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Symptoms

When sending a test email or SMTP notification, this may fail if these conditions are met:

  • The STARTTLS or SMTP-AUTH extensions are enabled on the SMTP server
  • The PowerStoreOS version is 4.1 or earlier

 

The following error may be reported in the Control Path logs when configuring a PowerStore appliance to use an ESMTP server (for example, Outlook365 or other cloud-based mail services):

Mar 10 15:19:02 APM01210604693-A control-path[12519]: 2021-03-10 15:19:02.689 [] [ERROR] [com.emc.bedrock.command.CommandServiceVerticle|vert.x-eventloop-thread-3] [1aad1cb7-bc69-4aa1-a209-7947a0c32f68] Received a response to com.emc.cyclone.contexts.networkconfiguration.domain.commands.SmtpTestCommand parent id: , instance id: 0, start time: 2021-03-10T15:19:02.313Z, Command initialized by REST request d1874425-9930-4015-8d2e-58878b0c55c0
Failed SMTP config test, Reason: Couldn't connect to host, port: smtp.office356.com, 587; timeout 25000

Cause

PowerStoreOS version 4.1 and earlier do not support specific SMTP extensions that are required with ESMTP servers.

 

 

Resolution

PowerStoreOS 4.1 or earlier: Disable the STARTTLS and SMTP-AUTH extension settings on the SMTP server. (Use a Basic SMTP server)
 
PowerStoreOS 4.2 or higher: Verify the SMTP server authentication settings on both the PowerStore and the SMTP server application. In addition, verify the email relay settings and any environmental, network, or firewall-related settings.

Affected Products

PowerStore
Article Properties
Article Number: 000184400
Article Type: Solution
Last Modified: 03 Dec 2025
Version:  6
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