Where are additional email recipients stored in the database?
The easiest way to add additional email addresses using the WooCommerce Multiple Email Recipients plugin is to add them manually in the WordPress admin. If you prefer, then you can import them directly to the WordPress MySQL database.
The additional email addresses are stored in the wp_user_meta database table. The email has the following key: '_wmep_email_' . $i
$i is the email number. For example, if you have 2 additional email fields (so 3 in total, including the default, WooCommerce customer email field) then the second field will be _wmep_email_2 and the third will be _wmep_email_3.
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