Dynamic Mailer Configuration in Laravel with Mail::build

Leverage Laravel's Mail::build for dynamic mailer configuration! This flexible approach simplifies email setup in various scenarios.

Basic Usage

Creating a dynamic mailer is straightforward:

use Illuminate\Support\Facades\Mail;

$mailer = Mail::build([
    'transport' => 'smtp',
    'host' => '127.0.0.1',
    'port' => 587,
    'encryption' => 'tls',
    'username' => 'usr',
    'password' => 'pwd',
    'timeout' => 5,
]);

$mailer->send($mailable);

Real-World Application: Multi-Tenant Setup

Consider a multi-tenant application:

class TenantMailService
{
    public function sendWithTenantConfig(Tenant $tenant, Mailable $mailable)
    {
        $mailerConfig = $tenant->email_settings;

        $mailer = Mail::build([
            'transport' => 'smtp',
            'host' => $mailerConfig->smtp_host,
            'port' => $mailerConfig->smtp_port,
            'encryption' => $mailerConfig->encryption,
            'username' => decrypt($mailerConfig->username),
            'password' => decrypt($mailerConfig->password),
            'from' => [
                'address' => $tenant->email,
                'name' => $tenant->company_name,
            ],
        ]);

        try {
            $mailer->send($mailable);
            Log::info("Email sent for tenant: {$tenant->id}", ['mailable' => get_class($mailable)]);
        } catch (Exception $e) {
            Log::error("Email failed for tenant: {$tenant->id}", ['error' => $e->getMessage()]);
            throw $e;
        }
    }
}

// Usage within a controller
class NewsletterController extends Controller
{
    public function send(Tenant $tenant, TenantMailService $mailService)
    {
        $newsletter = new TenantNewsletter($tenant);
        $mailService->sendWithTenantConfig($tenant, $newsletter);
        return back()->with('success', 'Newsletter queued!');
    }
}

This method is ideal for multi-tenant applications, custom email providers, or any situation requiring runtime email configuration adjustments.

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