diff --git a/app/Mail/Drip/FeedbackEmail.php b/app/Mail/Drip/FeedbackEmail.php
index 7431292d..b2029c40 100644
--- a/app/Mail/Drip/FeedbackEmail.php
+++ b/app/Mail/Drip/FeedbackEmail.php
@@ -4,16 +4,21 @@ namespace App\Mail\Drip;
 
 use App\Models\User;
 use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Mail\Mailable;
 use Illuminate\Mail\Mailables\Content;
 use Illuminate\Mail\Mailables\Envelope;
+use Illuminate\Queue\Middleware\RateLimited;
 use Illuminate\Queue\SerializesModels;
 
-class FeedbackEmail extends Mailable
+class FeedbackEmail extends Mailable implements ShouldQueue
 {
     use Queueable, SerializesModels;
 
-    public function __construct(public User $user) {}
+    public function __construct(public User $user)
+    {
+        $this->onQueue('emails');
+    }
 
     public function envelope(): Envelope
     {
@@ -31,4 +36,14 @@ class FeedbackEmail extends Mailable
             ],
         );
     }
+
+    /**
+     * Get the middleware the job should pass through.
+     *
+     * @return array<int, object>
+     */
+    public function middleware(): array
+    {
+        return [new RateLimited('emails', releaseAfter: 1)];
+    }
 }
diff --git a/app/Mail/Drip/ImportHelpEmail.php b/app/Mail/Drip/ImportHelpEmail.php
index b905efad..7293a74e 100644
--- a/app/Mail/Drip/ImportHelpEmail.php
+++ b/app/Mail/Drip/ImportHelpEmail.php
@@ -4,16 +4,21 @@ namespace App\Mail\Drip;
 
 use App\Models\User;
 use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Mail\Mailable;
 use Illuminate\Mail\Mailables\Content;
 use Illuminate\Mail\Mailables\Envelope;
+use Illuminate\Queue\Middleware\RateLimited;
 use Illuminate\Queue\SerializesModels;
 
-class ImportHelpEmail extends Mailable
+class ImportHelpEmail extends Mailable implements ShouldQueue
 {
     use Queueable, SerializesModels;
 
-    public function __construct(public User $user) {}
+    public function __construct(public User $user)
+    {
+        $this->onQueue('emails');
+    }
 
     public function envelope(): Envelope
     {
@@ -31,4 +36,14 @@ class ImportHelpEmail extends Mailable
             ],
         );
     }
+
+    /**
+     * Get the middleware the job should pass through.
+     *
+     * @return array<int, object>
+     */
+    public function middleware(): array
+    {
+        return [new RateLimited('emails', releaseAfter: 1)];
+    }
 }
diff --git a/app/Mail/Drip/OnboardingReminderEmail.php b/app/Mail/Drip/OnboardingReminderEmail.php
index 7affed34..c0555405 100644
--- a/app/Mail/Drip/OnboardingReminderEmail.php
+++ b/app/Mail/Drip/OnboardingReminderEmail.php
@@ -4,16 +4,21 @@ namespace App\Mail\Drip;
 
 use App\Models\User;
 use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Mail\Mailable;
 use Illuminate\Mail\Mailables\Content;
 use Illuminate\Mail\Mailables\Envelope;
+use Illuminate\Queue\Middleware\RateLimited;
 use Illuminate\Queue\SerializesModels;
 
-class OnboardingReminderEmail extends Mailable
+class OnboardingReminderEmail extends Mailable implements ShouldQueue
 {
     use Queueable, SerializesModels;
 
-    public function __construct(public User $user) {}
+    public function __construct(public User $user)
+    {
+        $this->onQueue('emails');
+    }
 
     public function envelope(): Envelope
     {
@@ -31,4 +36,14 @@ class OnboardingReminderEmail extends Mailable
             ],
         );
     }
+
+    /**
+     * Get the middleware the job should pass through.
+     *
+     * @return array<int, object>
+     */
+    public function middleware(): array
+    {
+        return [new RateLimited('emails', releaseAfter: 1)];
+    }
 }
diff --git a/app/Mail/Drip/PromoCodeEmail.php b/app/Mail/Drip/PromoCodeEmail.php
index c73db43f..8f2c4326 100644
--- a/app/Mail/Drip/PromoCodeEmail.php
+++ b/app/Mail/Drip/PromoCodeEmail.php
@@ -4,16 +4,21 @@ namespace App\Mail\Drip;
 
 use App\Models\User;
 use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Mail\Mailable;
 use Illuminate\Mail\Mailables\Content;
 use Illuminate\Mail\Mailables\Envelope;
+use Illuminate\Queue\Middleware\RateLimited;
 use Illuminate\Queue\SerializesModels;
 
-class PromoCodeEmail extends Mailable
+class PromoCodeEmail extends Mailable implements ShouldQueue
 {
     use Queueable, SerializesModels;
 
-    public function __construct(public User $user) {}
+    public function __construct(public User $user)
+    {
+        $this->onQueue('emails');
+    }
 
     public function envelope(): Envelope
     {
@@ -32,4 +37,14 @@ class PromoCodeEmail extends Mailable
             ],
         );
     }
+
+    /**
+     * Get the middleware the job should pass through.
+     *
+     * @return array<int, object>
+     */
+    public function middleware(): array
+    {
+        return [new RateLimited('emails', releaseAfter: 1)];
+    }
 }
diff --git a/app/Mail/Drip/WelcomeEmail.php b/app/Mail/Drip/WelcomeEmail.php
index 9fce4999..d49d831f 100644
--- a/app/Mail/Drip/WelcomeEmail.php
+++ b/app/Mail/Drip/WelcomeEmail.php
@@ -4,16 +4,21 @@ namespace App\Mail\Drip;
 
 use App\Models\User;
 use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Mail\Mailable;
 use Illuminate\Mail\Mailables\Content;
 use Illuminate\Mail\Mailables\Envelope;
+use Illuminate\Queue\Middleware\RateLimited;
 use Illuminate\Queue\SerializesModels;
 
-class WelcomeEmail extends Mailable
+class WelcomeEmail extends Mailable implements ShouldQueue
 {
     use Queueable, SerializesModels;
 
-    public function __construct(public User $user) {}
+    public function __construct(public User $user)
+    {
+        $this->onQueue('emails');
+    }
 
     public function envelope(): Envelope
     {
@@ -31,4 +36,14 @@ class WelcomeEmail extends Mailable
             ],
         );
     }
+
+    /**
+     * Get the middleware the job should pass through.
+     *
+     * @return array<int, object>
+     */
+    public function middleware(): array
+    {
+        return [new RateLimited('emails', releaseAfter: 1)];
+    }
 }
diff --git a/app/Mail/UserLeadInvitation.php b/app/Mail/UserLeadInvitation.php
index c694205a..f073c998 100644
--- a/app/Mail/UserLeadInvitation.php
+++ b/app/Mail/UserLeadInvitation.php
@@ -8,6 +8,7 @@ use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Mail\Mailable;
 use Illuminate\Mail\Mailables\Content;
 use Illuminate\Mail\Mailables\Envelope;
+use Illuminate\Queue\Middleware\RateLimited;
 use Illuminate\Queue\SerializesModels;
 
 class UserLeadInvitation extends Mailable implements ShouldQueue
@@ -19,7 +20,7 @@ class UserLeadInvitation extends Mailable implements ShouldQueue
      */
     public function __construct(public UserLead $lead)
     {
-        //
+        $this->onQueue('emails');
     }
 
     /**
@@ -51,4 +52,14 @@ class UserLeadInvitation extends Mailable implements ShouldQueue
     {
         return [];
     }
+
+    /**
+     * Get the middleware the job should pass through.
+     *
+     * @return array<int, object>
+     */
+    public function middleware(): array
+    {
+        return [new RateLimited('emails', releaseAfter: 1)];
+    }
 }
diff --git a/app/Providers/AppServiceProvider.php b/app/Providers/AppServiceProvider.php
index 56f8e97d..69cbe358 100644
--- a/app/Providers/AppServiceProvider.php
+++ b/app/Providers/AppServiceProvider.php
@@ -3,6 +3,8 @@
 namespace App\Providers;
 
 use App\Http\Responses\RegisterResponse;
+use Illuminate\Cache\RateLimiting\Limit;
+use Illuminate\Support\Facades\RateLimiter;
 use Illuminate\Support\ServiceProvider;
 use Laravel\Fortify\Contracts\RegisterResponse as RegisterResponseContract;
 
@@ -21,6 +23,8 @@ class AppServiceProvider extends ServiceProvider
      */
     public function boot(): void
     {
-        //
+        RateLimiter::for('emails', function (object $job): Limit {
+            return Limit::perSecond(1);
+        });
     }
 }
diff --git a/tests/Feature/Auth/RegistrationTest.php b/tests/Feature/Auth/RegistrationTest.php
index 778bbe0c..66293ad6 100644
--- a/tests/Feature/Auth/RegistrationTest.php
+++ b/tests/Feature/Auth/RegistrationTest.php
@@ -1,5 +1,7 @@
 <?php
 
+use Illuminate\Support\Facades\Queue;
+
 test('registration screen can be rendered', function () {
     $response = $this->get(route('register'));
 
@@ -7,6 +9,8 @@ test('registration screen can be rendered', function () {
 });
 
 test('new users can register', function () {
+    Queue::fake();
+
     $response = $this->post(route('register.store'), [
         'name' => 'Test User',
         'email' => 'test@example.com',
diff --git a/tests/Feature/Jobs/Drip/SendFeedbackEmailJobTest.php b/tests/Feature/Jobs/Drip/SendFeedbackEmailJobTest.php
index 06f57bd8..43e8608b 100644
--- a/tests/Feature/Jobs/Drip/SendFeedbackEmailJobTest.php
+++ b/tests/Feature/Jobs/Drip/SendFeedbackEmailJobTest.php
@@ -17,7 +17,7 @@ test('feedback email is sent to non-subscribed users', function () {
 
     SendFeedbackEmailJob::dispatchSync($user);
 
-    Mail::assertSent(FeedbackEmail::class, function ($mail) use ($user) {
+    Mail::assertQueued(FeedbackEmail::class, function ($mail) use ($user) {
         return $mail->hasTo($user->email);
     });
 
@@ -39,7 +39,7 @@ test('feedback email is not sent to subscribed users', function () {
 
     SendFeedbackEmailJob::dispatchSync($user);
 
-    Mail::assertNotSent(FeedbackEmail::class);
+    Mail::assertNotQueued(FeedbackEmail::class);
 });
 
 test('feedback email is not sent if already received', function () {
@@ -49,5 +49,5 @@ test('feedback email is not sent if already received', function () {
 
     SendFeedbackEmailJob::dispatchSync($user);
 
-    Mail::assertNotSent(FeedbackEmail::class);
+    Mail::assertNotQueued(FeedbackEmail::class);
 });
diff --git a/tests/Feature/Jobs/Drip/SendImportHelpEmailJobTest.php b/tests/Feature/Jobs/Drip/SendImportHelpEmailJobTest.php
index cab7e3c3..dd6d1b5b 100644
--- a/tests/Feature/Jobs/Drip/SendImportHelpEmailJobTest.php
+++ b/tests/Feature/Jobs/Drip/SendImportHelpEmailJobTest.php
@@ -18,7 +18,7 @@ test('import help email is sent to onboarded users without transactions who are
 
     SendImportHelpEmailJob::dispatchSync($user);
 
-    Mail::assertSent(ImportHelpEmail::class, function ($mail) use ($user) {
+    Mail::assertQueued(ImportHelpEmail::class, function ($mail) use ($user) {
         return $mail->hasTo($user->email);
     });
 
@@ -33,7 +33,7 @@ test('import help email is not sent to non-onboarded users', function () {
 
     SendImportHelpEmailJob::dispatchSync($user);
 
-    Mail::assertNotSent(ImportHelpEmail::class);
+    Mail::assertNotQueued(ImportHelpEmail::class);
 });
 
 test('import help email is not sent to users with transactions', function () {
@@ -42,7 +42,7 @@ test('import help email is not sent to users with transactions', function () {
 
     SendImportHelpEmailJob::dispatchSync($user);
 
-    Mail::assertNotSent(ImportHelpEmail::class);
+    Mail::assertNotQueued(ImportHelpEmail::class);
 });
 
 test('import help email is not sent to subscribed users', function () {
@@ -57,7 +57,7 @@ test('import help email is not sent to subscribed users', function () {
 
     SendImportHelpEmailJob::dispatchSync($user);
 
-    Mail::assertNotSent(ImportHelpEmail::class);
+    Mail::assertNotQueued(ImportHelpEmail::class);
 });
 
 test('import help email is not sent if already received', function () {
@@ -67,5 +67,5 @@ test('import help email is not sent if already received', function () {
 
     SendImportHelpEmailJob::dispatchSync($user);
 
-    Mail::assertNotSent(ImportHelpEmail::class);
+    Mail::assertNotQueued(ImportHelpEmail::class);
 });
diff --git a/tests/Feature/Jobs/Drip/SendOnboardingReminderEmailJobTest.php b/tests/Feature/Jobs/Drip/SendOnboardingReminderEmailJobTest.php
index ddc97278..602942c8 100644
--- a/tests/Feature/Jobs/Drip/SendOnboardingReminderEmailJobTest.php
+++ b/tests/Feature/Jobs/Drip/SendOnboardingReminderEmailJobTest.php
@@ -16,7 +16,7 @@ test('onboarding reminder email is sent to non-onboarded users', function () {
 
     SendOnboardingReminderEmailJob::dispatchSync($user);
 
-    Mail::assertSent(OnboardingReminderEmail::class, function ($mail) use ($user) {
+    Mail::assertQueued(OnboardingReminderEmail::class, function ($mail) use ($user) {
         return $mail->hasTo($user->email);
     });
 
@@ -31,7 +31,7 @@ test('onboarding reminder email is not sent to onboarded users', function () {
 
     SendOnboardingReminderEmailJob::dispatchSync($user);
 
-    Mail::assertNotSent(OnboardingReminderEmail::class);
+    Mail::assertNotQueued(OnboardingReminderEmail::class);
 
     $this->assertDatabaseMissing('user_mail_logs', [
         'user_id' => $user->id,
@@ -46,5 +46,5 @@ test('onboarding reminder email is not sent if already received', function () {
 
     SendOnboardingReminderEmailJob::dispatchSync($user);
 
-    Mail::assertNotSent(OnboardingReminderEmail::class);
+    Mail::assertNotQueued(OnboardingReminderEmail::class);
 });
diff --git a/tests/Feature/Jobs/Drip/SendPromoCodeEmailJobTest.php b/tests/Feature/Jobs/Drip/SendPromoCodeEmailJobTest.php
index 5e2644eb..3325c4f1 100644
--- a/tests/Feature/Jobs/Drip/SendPromoCodeEmailJobTest.php
+++ b/tests/Feature/Jobs/Drip/SendPromoCodeEmailJobTest.php
@@ -19,7 +19,7 @@ test('promo code email is sent to onboarded users with transactions who are not
 
     SendPromoCodeEmailJob::dispatchSync($user);
 
-    Mail::assertSent(PromoCodeEmail::class, function ($mail) use ($user) {
+    Mail::assertQueued(PromoCodeEmail::class, function ($mail) use ($user) {
         return $mail->hasTo($user->email);
     });
 
@@ -35,7 +35,7 @@ test('promo code email is not sent to non-onboarded users', function () {
 
     SendPromoCodeEmailJob::dispatchSync($user);
 
-    Mail::assertNotSent(PromoCodeEmail::class);
+    Mail::assertNotQueued(PromoCodeEmail::class);
 });
 
 test('promo code email is not sent to users without transactions', function () {
@@ -43,7 +43,7 @@ test('promo code email is not sent to users without transactions', function () {
 
     SendPromoCodeEmailJob::dispatchSync($user);
 
-    Mail::assertNotSent(PromoCodeEmail::class);
+    Mail::assertNotQueued(PromoCodeEmail::class);
 });
 
 test('promo code email is not sent to subscribed users', function () {
@@ -59,7 +59,7 @@ test('promo code email is not sent to subscribed users', function () {
 
     SendPromoCodeEmailJob::dispatchSync($user);
 
-    Mail::assertNotSent(PromoCodeEmail::class);
+    Mail::assertNotQueued(PromoCodeEmail::class);
 });
 
 test('promo code email is not sent if already received', function () {
@@ -70,5 +70,5 @@ test('promo code email is not sent if already received', function () {
 
     SendPromoCodeEmailJob::dispatchSync($user);
 
-    Mail::assertNotSent(PromoCodeEmail::class);
+    Mail::assertNotQueued(PromoCodeEmail::class);
 });
diff --git a/tests/Feature/Jobs/Drip/SendWelcomeEmailJobTest.php b/tests/Feature/Jobs/Drip/SendWelcomeEmailJobTest.php
index fd88a77c..bdb409df 100644
--- a/tests/Feature/Jobs/Drip/SendWelcomeEmailJobTest.php
+++ b/tests/Feature/Jobs/Drip/SendWelcomeEmailJobTest.php
@@ -16,7 +16,7 @@ test('welcome email is sent and logged', function () {
 
     SendWelcomeEmailJob::dispatchSync($user);
 
-    Mail::assertSent(WelcomeEmail::class, function ($mail) use ($user) {
+    Mail::assertQueued(WelcomeEmail::class, function ($mail) use ($user) {
         return $mail->hasTo($user->email);
     });
 
@@ -33,5 +33,5 @@ test('welcome email is not sent if already received', function () {
 
     SendWelcomeEmailJob::dispatchSync($user);
 
-    Mail::assertNotSent(WelcomeEmail::class);
+    Mail::assertNotQueued(WelcomeEmail::class);
 });