Versions (relevant - OpenSearch): 2.6.0
Describe the issue: To configure email notifications channel, I need to specify a list of allowed IP addresses on the smtp server side. Should I include all cluster nodes in this list, or may it be only nodes with specific roles (master, data…)?
Hey @TCR
Short answer, Master node which should be the node with Opensearch-Dashboard attached to it.
Thanks, this makes things a bit easier.
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