Yes, there are multiple ways the nas can be configured to send emails to multiple recipients at the same time.
You can use an specific email distribution listIn the nas AO EMAIL profile you can enter multiple email addresses separated by commas.
Creating or Editing a Profile
emailgtw probe profiles
You can specify multiple group email profiles that are setup in the emailgtw probe, e.g., Admins, Operators, NOC, SOC, etc. Each email profile can contain one or more email addresses.
emailgtw IM Configuration