diff --git a/wp-includes/version.php b/wp-includes/version.php
index 930cb83acb..46adf4edd0 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.0.3-alpha-54512';
+$wp_version = '6.0.3-alpha-54531';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
diff --git a/wp-mail.php b/wp-mail.php
index d3a86352f2..794598d379 100644
--- a/wp-mail.php
+++ b/wp-mail.php
@@ -65,6 +65,9 @@ if ( 0 === $count ) {
 	wp_die( __( 'There does not seem to be any new mail.' ) );
 }
 
+// Always run as an unauthenticated user.
+wp_set_current_user( 0 );
+
 for ( $i = 1; $i <= $count; $i++ ) {
 
 	$message = $pop3->get( $i );