What alternative methods can be used to handle email sending in PHP when direct access to the Exchange server is restricted?

When direct access to the Exchange server is restricted, an alternative method to handle email sending in PHP is to use a third-party email service provider like SendGrid, Mailgun, or SMTP services provided by hosting providers. These services allow you to send emails using their APIs or SMTP servers without the need for direct access to the Exchange server. 

// Example using SendGrid API to send email
$email = new \SendGrid\Mail\Mail();
$email->setFrom("test@example.com", "Example User");
$email->setSubject("Sending with SendGrid is Fun");
$email->addTo("test@example.com", "Example User");
$email->addContent("text/plain", "and easy to do anywhere, even with PHP");
$email->addContent("text/html", "<strong>and easy to do anywhere, even with PHP</strong>");
$sendgrid = new \SendGrid(getenv('SENDGRID_API_KEY'));
try {
    $response = $sendgrid->send($email);
    echo "Email sent successfully!";
} catch (Exception $e) {
    echo 'Email could not be sent. Error: ' . $e->getMessage();
}

Keywords

SMTP PHPMailer sendmail mail function email delivery

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