Complete List Of All WordPress Emails

WordPress Emails This document lists all the situations where WordPress sends an email, along with how to filter or disable each email.
This is accurate as of WordPress 4.8, and includes some upcoming changes in WordPress 4.9.
There are a few TODOs left. Please bear with me.
Comments
Change of Admin Email
Change of User Email or Password
Automatic Updates
New User
New Site
Other
Comments
Comment is awaiting moderation
To: Site Admin, plus post author if they can edit comments
From: WordPress <wordpress@host>
Subject: [%s] Please moderate: "%s"
Function: wp_notify_moderator()
Pluggable: Yes
Filters: comment_moderation_subject
comment_moderation_text
comment_moderation_recipients
comment_moderation_headers
Disable: Filter notify_moderator
Remove comment_post:wp_new_comment_notify_moderator action
"Email me whenever" on Settings -> Discussion
Overwrite the pluggable function
Comment has been published
To: Post author
From: WordPress <wordpress@host>
Subject: [%s] Comment: "%s"
[%s] Pingback: "%s"
[%s] Trackback: "%s"
Function: wp_notify_postauthor()
Pluggable: Yes
Filters: comment_notification_subject
comment_notification_text
Source: https://managewp.org/articles/15782/complete-list-of-all-wordpress-emails

source https://williechiu40.wordpress.com/2017/08/03/complete-list-of-all-wordpress-emails/