New Feature: Sending group email by adding a group name

I have asked following feature below through email.

And I have a reply it would be much better to add this on jira.
Please check this feature for your later update.

Thanks,

Sungjoon Im

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I have a question relating sending group email when someone create or change page.

Is there any way to send email to multiple people by adding a group name?
As far as I know, to use email sending function should add all the people one by one.

I want to let my co-workers know what is going on with email sending. But to do that, there are too many people to add.