What best practices can be followed to ensure successful email delivery using PHP?

To ensure successful email delivery using PHP, it is important to follow best practices such as setting proper headers, using a reliable mail server, avoiding spam triggers, and handling errors effectively. 

// Example PHP code snippet for sending an email with proper headers and error handling

$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";

if (mail($to, $subject, $message, $headers)) {
    echo "Email sent successfully.";
} else {
    echo "Email delivery failed.";
}

Keywords

SMTP PHPMailer SPF DKIM DMARC

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