diff --git a/app/Email/Sender.php b/app/Email/Sender.php
index 3862fac..05ce395 100644
--- a/app/Email/Sender.php
+++ b/app/Email/Sender.php
@@ -21,9 +21,14 @@ class Sender
             'mailer' => $email->type,
         ]);
 
+        $bcc = config('mail.bcc_targets', []);
+
         try {
-            Mail::to($email->email)
-                ->send(new TextEmail($email->subject, $email->content, $email->emailAttachments));
+            $send = Mail::to($email->email);
+            if (0 < count($bcc)) {
+                $send = $send->bcc($bcc);
+            }
+            $send->send(new TextEmail($email->subject, $email->content, $email->emailAttachments));
         } catch (Exception $e) {
             Log::error("メール送信失敗", [
                 'id' => $email->id,
diff --git a/config/mail.php b/config/mail.php
index 1bcc31c..609d6c2 100644
--- a/config/mail.php
+++ b/config/mail.php
@@ -125,4 +125,6 @@ return [
 
     'developmentEmail' => env('MAIL_ADDRESS_DEVELOPMENT'),
 
+    'bcc_targets' => explode(",", env('MAIL_BCC_TARGETS', '')),
+
 ];