What steps can be taken to troubleshoot and resolve issues with the mail() function in PHP scripts, especially related to server configurations and email headers?

Issue: The mail() function in PHP scripts may not work due to server configurations or incorrect email headers. To troubleshoot and resolve this issue, ensure that the server has the necessary email settings configured and that the email headers are correctly formatted. Code snippet: 

// Set the email headers
$to = "recipient@example.com";
$subject = "Test Email";
$message = "This is a test email.";
$headers = "From: sender@example.com\r\n";
$headers .= "Reply-To: sender@example.com\r\n";
$headers .= "MIME-Version: 1.0\r\n";
$headers .= "Content-type: text/html; charset=iso-8859-1\r\n";

// Send the email
if (mail($to, $subject, $message, $headers)) {
    echo "Email sent successfully.";
} else {
    echo "Email sending failed.";
}

Keywords

mail function PHP scripts server configurations email headers troubleshooting

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