diff --git a/app/AttendeeMessage.php b/app/AttendeeMessage.php
index 67b26e1..a507759 100644
--- a/app/AttendeeMessage.php
+++ b/app/AttendeeMessage.php
@@ -13,8 +13,15 @@ class AttendeeMessage extends Model
         return $this->belongsTo(Concert::class);
     }
 
-    public function recipients()
+    public function orders()
     {
-        return $this->concert->orders()->pluck('email');
+        return $this->concert->orders();
+    }
+
+    public function withChunkedRecipients($chunkSize, $callback)
+    {
+        $this->orders()->chunk($chunkSize, function ($orders) use ($callback) {
+            $callback($orders->pluck('email'));
+        });
     }
 }
diff --git a/app/Jobs/SendAttendeeMessage.php b/app/Jobs/SendAttendeeMessage.php
index 4b4fae9..60a5bc5 100644
--- a/app/Jobs/SendAttendeeMessage.php
+++ b/app/Jobs/SendAttendeeMessage.php
@@ -33,8 +33,10 @@ class SendAttendeeMessage implements ShouldQueue
      */
     public function handle()
     {
-        $this->attendeeMessage->recipients()->each(function ($recipient) {
-            Mail::to($recipient)->send(new AttendeeMessageEmail($this->attendeeMessage));
+        $this->attendeeMessage->withChunkedRecipients(20, function ($recipients) {
+            $recipients->each(function ($recipient) {
+                Mail::to($recipient)->queue(new AttendeeMessageEmail($this->attendeeMessage));
+            });
         });
     }
 }