diff --git a/src/wp-includes/comment.php b/src/wp-includes/comment.php
index 7dafa1eaef..c6dd33d911 100644
--- a/src/wp-includes/comment.php
+++ b/src/wp-includes/comment.php
@@ -1802,7 +1802,7 @@ function wp_new_comment_notify_postauthor( $comment_ID ) {
 	}
 
 	// Only send notifications for approved comments.
-	if ( ! isset( $comment->comment_approved ) || 'spam' === $comment->comment_approved || ! $comment->comment_approved ) {
+	if ( ! isset( $comment->comment_approved ) || '1' != $comment->comment_approved ) {
 		return false;
 	}
 
diff --git a/tests/phpunit/tests/comment.php b/tests/phpunit/tests/comment.php
index 844e4d12b2..83868810f7 100644
--- a/tests/phpunit/tests/comment.php
+++ b/tests/phpunit/tests/comment.php
@@ -293,6 +293,25 @@ class Tests_Comment extends WP_UnitTestCase {
 		$this->assertTrue( wp_notify_moderator( $c ) );
 	}
 
+	public function test_wp_new_comment_notify_postauthor_should_send_email_when_comment_is_approved() {
+		$c = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+		) );
+
+		$sent = wp_new_comment_notify_postauthor( $c );
+		$this->assertTrue( $sent );
+	}
+
+	public function test_wp_new_comment_notify_postauthor_should_not_send_email_when_comment_is_unapproved() {
+		$c = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => '0',
+		) );
+
+		$sent = wp_new_comment_notify_postauthor( $c );
+		$this->assertFalse( $sent );
+	}
+
 	/**
 	 * @ticket 33587
 	 */
@@ -306,6 +325,19 @@ class Tests_Comment extends WP_UnitTestCase {
 		$this->assertFalse( $sent );
 	}
 
+	/**
+	 * @ticket 35006
+	 */
+	public function test_wp_new_comment_notify_postauthor_should_not_send_email_when_comment_has_been_trashed() {
+		$c = self::factory()->comment->create( array(
+			'comment_post_ID' => self::$post_id,
+			'comment_approved' => 'trash',
+		) );
+
+		$sent = wp_new_comment_notify_postauthor( $c );
+		$this->assertFalse( $sent );
+	}
+
 	/**
 	 * @ticket 12431
 	 */