<?php require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/prerequisites.inc.php'; require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/vars.inc.php'; use PHPMailer\PHPMailer\PHPMailer; use PHPMailer\PHPMailer\SMTP; use PHPMailer\PHPMailer\Exception; error_reporting(0); if (isset($_SESSION['mailcow_cc_role']) && $_SESSION['mailcow_cc_role'] == "admin") { $transport_id = intval($_GET['transport_id']); $transport_type = $_GET['transport_type']; if (isset($_GET['mail_from']) && filter_var($_GET['mail_from'], FILTER_VALIDATE_EMAIL)) { $mail_from = $_GET['mail_from']; } else { $mail_from = "relay@example.org"; } if ($transport_type == 'transport-map') { $transport_details = transport('details', $transport_id); $nexthop = $transport_details['nexthop']; } elseif ($transport_type == 'sender-dependent') { $transport_details = relayhost('details', $transport_id); $nexthop = $transport_details['hostname']; } if (!empty($transport_details)) { // Remove [ and ] $hostname_w_port = preg_replace('/\[|\]/', '', $nexthop); preg_match('/\[.+\](:.+)/', $nexthop, $hostname_port_match); preg_match('/\[\d\.\d\.\d\.\d\](:.+)/', $nexthop, $ipv4_port_match); $has_bracket_and_port = (isset($hostname_port_match[1])) ? true : false; $is_ipv4_and_has_port = (isset($ipv4_port_match[1])) ? true : false; $skip_lookup_mx = strpos($nexthop, '['); // Explode to hostname and port if ($has_bracket_and_port) { $port = substr($hostname_w_port, strrpos($hostname_w_port, ':') + 1); $hostname = preg_replace('/'. preg_quote(':' . $port, '/') . '$/', '', $hostname_w_port); if (filter_var($hostname, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) { $hostname = '[' . $hostname . ']:'; } } else { if ($is_ipv4_and_has_port) { $port = substr($hostname_w_port, strrpos($hostname_w_port, ':') + 1); $hostname = preg_replace('/'. preg_quote(':' . $port, '/') . '$/', '', $hostname_w_port); } if (filter_var($hostname_w_port, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) { $hostname = $hostname_w_port; $port = null; } elseif (filter_var($hostname_w_port, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) { $hostname = '[' . $hostname_w_port . ']'; $port = null; } else { $hostname = preg_replace('/'. preg_quote(':' . $port, '/') . '$/', '', $hostname_w_port); $port = null; } } // Try to get MX if host is not [host] if ($skip_lookup_mx === false) { getmxrr($hostname, $mx_records, $mx_weight); if (!empty($mx_records)) { for ($i = 0; $i < count($mx_records); $i++) { $mxs[$mx_records[$i]] = $mx_weight[$i]; } asort ($mxs); $records = array_keys($mxs); echo 'Using first matched primary MX for "' . $hostname . '": '; $hostname = $records[0]; echo $hostname . '<br>'; } else { echo 'No MX records for ' . $hostname . ' were found in DNS, skipping and using hostname as next-hop.<br>'; } } // Use port 25 if no port was given $port = (empty($port)) ? 25 : $port; $username = $transport_details['username']; $password = $transport_details['password']; $mail = new PHPMailer; $mail->Timeout = 15; $mail->SMTPOptions = array( 'ssl' => array( 'verify_peer' => false, 'verify_peer_name' => false, 'allow_self_signed' => true ) ); $mail->SMTPDebug = 3; // smtp: and smtp_enforced_tls: do not support wrapped tls, todo? // change postfix map to detect wrapped tls or add a checkbox to toggle wrapped tls // if ($port == 465) { // $mail->SMTPSecure = "ssl"; // } $mail->Debugoutput = function($str, $level) { foreach(preg_split("/((\r?\n)|(\r\n?)|\n)/", $str) as $line){ if (empty($line)) { continue; } if (preg_match("/SERVER \-\> CLIENT: 2\d\d.+/i", $line)) { echo '<span style="color:darkgreen;font-weight:bold">' . htmlspecialchars($line) . '</span><br>'; } elseif (preg_match("/SERVER \-\> CLIENT: 3\d\d.+/i", $line)) { echo '<span style="color:lightgreen;font-weight:bold">' . htmlspecialchars($line) . '</span><br>'; } elseif (preg_match("/SERVER \-\> CLIENT: 4\d\d.+/i", $line)) { echo '<span style="color:yellow;font-weight:bold">' . htmlspecialchars($line) . '</span><br>'; } elseif (preg_match("/SERVER \-\> CLIENT: 5\d\d.+/i", $line)) { echo '<span style="color:red;font-weight:bold">' . htmlspecialchars($line) . '</span><br>'; } elseif (preg_match("/CLIENT \-\> SERVER:.+/i", $line)) { echo '<span style="color:#999;font-weight:bold">' . htmlspecialchars($line) . '</span><br>'; } elseif (preg_match("/^(?!SERVER|CLIENT|Connection:|\)).+$/i", $line)) { echo '<span> ↪ ' . htmlspecialchars($line) . '</span><br>'; } else { echo htmlspecialchars($line) . '<br>'; } } }; $mail->isSMTP(); $mail->Host = $hostname; if (!empty($username)) { $mail->SMTPAuth = true; $mail->Username = $username; $mail->Password = $password; } $mail->Port = $port; $mail->setFrom($mail_from, 'Mailer'); $mail->Subject = 'A subject for a SMTP test'; $mail->addAddress($RELAY_TO, 'Joe Null'); $mail->Body = 'This is our test body'; $mail->send(); } else { echo "Unknown transport."; } } else { echo "Permission denied."; }