How can PHP beginners effectively troubleshoot problems with sending emails to an Exchange Server using Net_SMTP?

To troubleshoot problems with sending emails to an Exchange Server using Net_SMTP in PHP, beginners should first check if the SMTP server settings are correct, ensure that the Exchange Server allows connections from the PHP server, and verify that the email content and headers are properly formatted. Additionally, checking for any error messages or logs can help identify the issue. 

<?php
require_once "Mail.php";

$from = "sender@example.com";
$to = "recipient@example.com";
$subject = "Test email";
$body = "This is a test email.";

$host = "exchange_server.example.com";
$username = "username";
$password = "password";

$headers = array(
    'From' => $from,
    'To' => $to,
    'Subject' => $subject
);

$smtp = Mail::factory('smtp', array(
    'host' => $host,
    'auth' => true,
    'username' => $username,
    'password' => $password
));

$mail = $smtp->send($to, $headers, $body);

if (PEAR::isError($mail)) {
    echo "Error: " . $mail->getMessage();
} else {
    echo "Email sent successfully!";
}
?>

Keywords

PHP Net_SMTP Exchange Server troubleshooting email sending

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