Remove the reply-to field from emails in WooCommerce on child sites.
Snippet Type
Execute on Child Sites
Snippet
add_filter( 'woocommerce_email_headers', 'filter_wc_remove_reply_to', 20, 3 );
function filter_wc_remove_reply_to( $header, $email_id, $order ) {
$headers=explode("\n", $header);
$newheaders=array();
foreach ($headers as $line) {
if (strncmp($line, "Reply-to", 8)!=0) {
$newheaders[]=$line;
}
}
return(implode("\n", $newheaders));
}