Phpmailer Not Sending and Not Giving Error

Why phpmailer is not sending mail to my domain mail server

PHPMailer doesn't throw exceptions by default – you have to ask for them by passing true to the constructor, as in $mail = new PHPMailer(true);. Without that you have to check the return values from methods like send() to find out if they worked.

Errors are stored in the ErrorInfo property – see any of the code examples provided with PHPMailer to see how to handle errors correctly.

You can also set $mail->SMTPDebug = 2; to see what your mail server is saying. Beyond that, read the PHPMailer troubleshooting guide.

PHP Mailer shows no errors but doesn't send the email

You should look at your $mail->addAdress, $mail->addBCC and $mail->addReplyTo fields and follow the correct syntax for those fields.

Test the code below.

    <?php

    use PHPMailer\PHPMailer\PHPMailer;

    if(isset($_POST['submit'])) 
    {
        // Values need to be santiised

        $forename = $_POST['forename'];
        $surname = $_POST['surname'];
        $email = $_POST['email'];
        $phone = $_POST['phone'];
        $service = $_POST['service'];
        $date = $_POST['date'];
        $time = $_POST['time'];

        require '../vendor/autoload.php';

        $mail = new PHPMailer;
        $mail->isSMTP();
        $mail->SMTPDebug = 0;
        $mail->Host = 'smtp.hostinger.com';
        $mail->Port = 587;
        $mail->SMTPAuth = true;
        $mail->Username = 'test@handler.net';
        $mail->Password = '[PASSWORD]';

        $mail->setFrom('test@handler.net','Bookings'); // Emails sent via Noreply.

        $mail->addAddress('bookings@salon.com',''); // Email form responses sent to bookings@salon.com

        $mail->addReplyTo($email,$forename.' '.$surname); // Reply to the user who submitted the form.

        $mail->addBCC('outbox@handler.net',''); // Store record of all emails sent via the system.

        $mail->Subject = 'Booking Request'; // Subject of the email sent to admin@handler.net that the form responses will be contained within.

        $mail->isHTML(TRUE);
        $mail->Body = <<<EOD
            Booking request from {$forename} with email {$email}.<br  />
            Contact details: <br />
            Full name: {$forename} {$surname}<br />
            Email: {$email} <br />
            Phone number: {$phone} <br />
            Service: {$service} <br />
            Date: {$date} {$time}
EOD;
        if(!$mail->send()) { // Send the email.
          echo '';
          echo 'Mailer error: ' . $mail->ErrorInfo;
        } else {
          echo '';
        }
    }
    ?>

PHPMailer does not give error message?

Your function sendMail doesn't return a boolean. Since it's an array / object the result is always true in this case. Try printing $response before your if statement and you will see the error.

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