What are some common pitfalls when using the mail() function in PHP, especially when dealing with different hosting providers?

One common pitfall when using the mail() function in PHP is that different hosting providers may have different configurations for sending emails, leading to emails not being delivered or marked as spam. To solve this issue, it's recommended to use a library like PHPMailer or Swift Mailer, which provide more flexibility and control over the email sending process. 

// Example using PHPMailer library to send an email
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 = 'yourpassword';
    $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

mail function PHP hosting providers SMTP email delivery

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