How can one troubleshoot and resolve errors related to connecting to a mail server when sending emails in PHP?

To troubleshoot and resolve errors related to connecting to a mail server when sending emails in PHP, you can check the SMTP settings in your PHP script, ensure that the server is reachable and properly configured, and verify that the credentials are correct. Additionally, you can enable error reporting to get more detailed information about any connection issues. 

// Example PHP code snippet to connect to a mail server and send an email

// Set SMTP settings
$smtpServer = 'mail.example.com';
$smtpPort = 587;
$smtpUsername = 'your_username';
$smtpPassword = 'your_password';

// Create a new PHPMailer instance
$mail = new PHPMailer();

// Set the SMTP settings
$mail->isSMTP();
$mail->Host = $smtpServer;
$mail->Port = $smtpPort;
$mail->SMTPAuth = true;
$mail->Username = $smtpUsername;
$mail->Password = $smtpPassword;

// Send email
if($mail->send()) {
    echo 'Email sent successfully!';
} else {
    echo 'Error sending email: ' . $mail->ErrorInfo;
}

Keywords

SMTP mail server error handling PHPMailer authentication

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