How can one troubleshoot email delivery problems when using PHP?

One common way to troubleshoot email delivery problems in PHP is to check the email configuration settings, such as the SMTP server, port, username, and password. Ensure that these settings are correct and that the server is able to send emails. Additionally, check for any errors in the PHP code that may be preventing the email from being sent successfully. 

// Example PHP code to troubleshoot email delivery problems

// Set the SMTP server and port
ini_set('SMTP', 'smtp.example.com');
ini_set('smtp_port', 25);

// Set the sender's email address and name
$from = "sender@example.com";
$from_name = "Sender Name";

// Set the recipient's email address
$to = "recipient@example.com";

// Set the subject and message
$subject = "Test Email";
$message = "This is a test email.";

// Send the email
if (mail($to, $subject, $message, "From: $from_name <$from>")) {
    echo "Email sent successfully";
} else {
    echo "Email delivery failed";
}

Keywords

SMTP PHPMailer SPF DKIM bounce handling

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