What are the potential drawbacks of sending a newsletter using a loop to individually send emails to each recipient in PHP?

One potential drawback of sending a newsletter using a loop to individually send emails to each recipient in PHP is that it can be resource-intensive and slow, especially when sending to a large number of recipients. This can lead to performance issues and potential server timeouts. To solve this issue, you can use a third-party email service provider that specializes in sending bulk emails efficiently. 

// Example of using a third-party email service provider to send bulk emails efficiently
// Make sure to replace placeholders with your actual API key and email content

use \Mailjet\Resources;

$apikey = 'YOUR_API_KEY';
$apisecret = 'YOUR_API_SECRET';

$mj = new \Mailjet\Client($apikey, $apisecret, true, ['version' => 'v3.1']);

$recipients = [
    ['Email' => 'recipient1@example.com'],
    ['Email' => 'recipient2@example.com'],
    ['Email' => 'recipient3@example.com'],
    // Add more recipients as needed
];

$body = [
    'Messages' => [
        [
            'From' => [
                'Email' => 'sender@example.com',
                'Name' => 'Sender Name'
            ],
            'To' => $recipients,
            'Subject' => 'Your Newsletter Subject',
            'HTMLPart' => 'Your newsletter content goes here'
        ]
    ]
];

$response = $mj->post(Resources::$Email, ['body' => $body]);

if ($response->success()) {
    echo 'Newsletter sent successfully!';
} else {
    echo 'Failed to send newsletter: ' . $response->getReasonPhrase();
}

Keywords

PHP newsletter loop email scalability

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