PHP

<?php
	include( "mta_sdk.php" );
	use PHPMailer\PHPMailer\PHPMailer;
	use PHPMailer\PHPMailer\Exception;
	require 'PHPMailer/src/Exception.php';
	require 'PHPMailer/src/PHPMailer.php';
	require 'PHPMailer/src/SMTP.php';

	$mail = new PHPMailer(true);                              // Passing `true` enables exceptions
	try {
		//Server settings
		$mail->SMTPDebug = 2;                                 // Enable verbose debug output
		$mail->isSMTP();                                      // Set mailer to use SMTP
		$mail->Host = 'smtp.gmail.com';                           // Specify main and backup SMTP servers
		$mail->SMTPAuth = true;                               // Enable SMTP authentication
		$mail->Username = 'mtagostown@gmail.com';                 // SMTP username
		$mail->Password = 'MTAGostown1234';                           // SMTP password
		$mail->SMTPSecure = 'tls';                            // Enable TLS encryption, `ssl` also accepted
		$mail->Port = 587;

		$mail->SMTPOptions = array(
			'ssl' => array(
				'verify_peer' => false,
				'verify_peer_name' => false,
				'allow_self_signed' => true
			)
		);

		// TCP port to connect to

		$input = mta::getInput();

		//Recipients
		$mail->setFrom('mtagostown@gmail.com', 'MTA Gostown');
		$mail->addAddress($input[0], 'Użytkownik');     // Add a recipient
		//$mail->addAddress('contact@example.com');               // Name is optional
		//$mail->addReplyTo('info@example.com', 'Information');
		//$mail->addCC('cc@example.com');
		//$mail->addBCC('bcc@example.com');

		//Attachments
		//$mail->addAttachment('/var/tmp/file.tar.gz');         // Add attachments
		//$mail->addAttachment('/tmp/image.jpg', 'new.jpg');    // Optional name

		//Content
		$mail->isHTML(true);                                  // Set email format to HTML
		$mail->Subject = $input[1];
		$mail->Body    = $input[2];
		//$mail->AltBody = 'This is the body in plain text for non-HTML mail clients';

		$mail->send();
		echo 'Message has been sent';
		mta::doReturn(true);
	} catch (Exception $e) {
		echo 'Message could not be sent.';
		echo 'Mailer Error: ' . $mail->ErrorInfo;
		mta::doReturn(false, 2);
	}
?>

LUA


function sendMail(sendTo, subject, body)
	callRemote("localhost/emailSending/mail_sending.php", mailReturns, sendTo, subject, body)
end
addEvent("php:sendMail", true)
addEventHandler("php:sendMail", root, sendMail)

function mailReturns(msg, num)
	if false then
		outputDebugString("E-Mail nie został wysłany.", 2)
	else
		outputDebugString("E-Mail został pomyślnie wysłany!", num or 3)
	end
end