How To Implement Laravel Queues To Send Emails and Not Spoil The User Experience?

How to implement Laravel Queues to send emails

Sending notifications to users is one of the most important tasks of any Laravel application. So, as you might have already guessed, sending notifications in Laravel is very easy to implement. However, while setting up the functionality to send notifications (in the form of emails or otherwise) is pretty easy, email servers do take significantly longer to actually send the email(s).

This, in turn, results in pausing the execution, thereby, resulting in a bad user experience.

Queues in Laravel solve this problem by storing the notifications to send them later, without coming in the way of the UX.

How To Setup Queues in Laravel?

Setting up Queues in a Laravel project is quite simple and involves only a handful of steps as listed below:

  • Update the .env file
  • Import the ShouldQueue class in your Notification class
  • Implement the ShouldQueue interface in your Notification class
  • Generate the database tables to store the queued data
  • Migrate the tables
  • Run the queue

Update the .env file

Queues can be implemented for various drivers, from relational databases to Redis and more. In our case here, we will be using a MySQL database so, as a first step, we need to tell our preference. To do that, open the .env file of your project and look for the key name QUEUE_CONNECTION. The default value here will be (as of Laravel 8.x) sync.


Change this value to database and save & close the file.

Change the value here to ‘database’ from ‘sync’

  • Import and Use ShouldQueue class in your Notification class
  • In order to be able to Queue a notification in Laravel, the notification class itself should use and implement ShouldQueue. In order to do that, add the following line of code to the top of the notification class (for example, NewUserRegistered.php).

    use Illuminate\Contracts\Queue\ShouldQueue;

    Then, below that, change the class declaration line to this:

    class YourNotificationClassName extends Notification implements ShouldQueue

    It should look like this, with your notification class name of course.

    Import the ShouldQueue class and implement it

    Generate and Migrate Database Table To Store The Queued Data

    Now, we will have to create the database table that will be used to store the queued data. Laravel makes it very simple to create this table with the help of one quick command.

    Use the following command to generate the migration for the table in question.

    php artisan queue:table
    Create The Database Migration

    Once the migration is created successfully, migrate the table by running:

    php artisan migrate

    And at this point, your project is ready to use queues for sending notifications.

    Migrate The Table

    However, if you try to send a notification from within your application, the notification (email or otherwise) will not be sent. Not even after a few moments. This is because, now that we are using queues, this process of sending notifications has been now detached from the main process, in order to make the UX better and faster.

    So, what do we do now? How do we get the emails flowing again and not come in the way of application speed?

    To do that, we will have to run one more command that will start the worker.

    Type the following command in your terminal to do that:

    php artisan queue:work

    Note that this terminal should keep running, just like your php artisan serve for it to keep working.

    **If you change anything in the Notification classes, for the changes to take effect, the queue worker should be restarted.

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    1. Pingback: How to send notifications in Laravel 7.x? - Rajiv Verma

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