How important is it to use SMTP for sending emails in PHP instead of PHPMail?

Using SMTP for sending emails in PHP is important because it provides a more reliable and secure way to send emails compared to using PHPMail. SMTP allows you to authenticate with your email server, handle errors more effectively, and ensure that your emails are less likely to be marked as spam. It is recommended to use a library like PHPMailer to easily implement SMTP in your PHP code. 

use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;

require 'vendor/autoload.php';

$mail = new PHPMailer(true);

try {
    $mail->isSMTP();
    $mail->Host = 'smtp.example.com';
    $mail->SMTPAuth = true;
    $mail->Username = 'your@example.com';
    $mail->Password = 'your_password';
    $mail->SMTPSecure = 'tls';
    $mail->Port = 587;

    $mail->setFrom('from@example.com', 'Your Name');
    $mail->addAddress('recipient@example.com', 'Recipient Name');

    $mail->isHTML(true);
    $mail->Subject = 'Subject';
    $mail->Body = 'Email body';

    $mail->send();
    echo 'Email sent successfully';
} catch (Exception $e) {
    echo 'Message could not be sent. Mailer Error: ', $mail->ErrorInfo;
}

Keywords

SMTP PHPMail email sending PHP libraries

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