osb/app/Console/Commands/EmailTest.php

<?php

namespace App\Console\Commands;

use Illuminate\Console\Command;
use Illuminate\Support\Facades\Config;
use Illuminate\Support\Facades\Mail;

use App\Mail\Test;
use App\Models\{Site,User};

class EmailTest extends Command
{
	/**
	 * The name and signature of the console command.
	 *
	 * @var string
	 */
	protected $signature = 'test-email'
		.' {--s|site : Site ID}'
		.' {id : User ID}'
		.' {email? : Alternative Email}';

	/**
	 * The console command description.
	 *
	 * @var string
	 */
	protected $description = 'Send a test email';

	/**
	 * Execute the console command.
	 *
	 * @return mixed
	 */
	public function handle()
	{
		Config::set(
			'site',
			$this->option('site')
				? Site::findOrFail($this->option('site'))
				: Site::where('url',config('app.url'))->sole()
		);

		$uo = User::find($this->argument('id'));

		$result = Mail::to($this->argument('email') ?? $uo->email)
			->send(new Test($uo));

		$this->info($result->getMessageId());

		return self::SUCCESS;
	}
}