diff --git a/send.php b/send.php
index 54ed5b9..10182ec 100644
--- a/send.php
+++ b/send.php
@@ -81,12 +81,61 @@ $headers .= "Reply-To: $email\r\n";
 $headers .= "Content-Type: text/plain; charset=UTF-8\r\n";
 $headers .= "X-Mailer: Cuitunet-Web\r\n";
 
-// Lähetys
-error_log("cuitunet.fi send.php: Lähetetään posti osoitteeseen $to, aihe: $subject");
-$sent = @mail($to, $subject, $body, $headers);
-error_log("cuitunet.fi send.php: mail() palautti: " . ($sent ? 'true' : 'false') . ", error: " . error_get_last()['message'] ?? 'none');
+// Lähetys suoraan SMTP:llä MX-palvelimelle (ohittaa Pleskin postfixin)
+function sendViaSMTP(string $from, string $to, string $subject, string $body, string $replyTo): string {
+    $mx = 'mx.mail2.fi';
+    $port = 25;
+    $hostname = 'cuitunet.fi';
 
-if ($sent) {
+    $sock = @fsockopen($mx, $port, $errno, $errstr, 10);
+    if (!$sock) return "Yhteys MX-palvelimeen epäonnistui: $errstr ($errno)";
+
+    $resp = fgets($sock, 512);
+    if (substr($resp, 0, 3) !== '220') { fclose($sock); return "MX hylkäsi yhteyden: $resp"; }
+
+    $cmds = [
+        "EHLO $hostname",
+        "MAIL FROM:<$from>",
+        "RCPT TO:<$to>",
+        "DATA",
+    ];
+    foreach ($cmds as $cmd) {
+        fwrite($sock, "$cmd\r\n");
+        $resp = fgets($sock, 512);
+        $code = substr($resp, 0, 3);
+        // EHLO voi palauttaa monta riviä
+        if ($cmd === "EHLO $hostname") {
+            while (substr($resp, 3, 1) === '-') { $resp = fgets($sock, 512); }
+        }
+        if ($cmd === 'DATA' && $code !== '354') { fwrite($sock, "QUIT\r\n"); fclose($sock); return "DATA hylätty: $resp"; }
+        elseif ($cmd !== 'DATA' && $code[0] !== '2') { fwrite($sock, "QUIT\r\n"); fclose($sock); return "SMTP virhe ($cmd): $resp"; }
+    }
+
+    // Viesti
+    $msg = "From: $from\r\n";
+    $msg .= "To: $to\r\n";
+    $msg .= "Reply-To: $replyTo\r\n";
+    $msg .= "Subject: $subject\r\n";
+    $msg .= "Content-Type: text/plain; charset=UTF-8\r\n";
+    $msg .= "X-Mailer: Cuitunet-Web\r\n";
+    $msg .= "Date: " . date('r') . "\r\n";
+    $msg .= "Message-ID: <" . uniqid('cuitunet-') . "@$hostname>\r\n";
+    $msg .= "\r\n";
+    $msg .= str_replace("\n.", "\n..", $body); // Dot-stuffing
+    $msg .= "\r\n.\r\n";
+
+    fwrite($sock, $msg);
+    $resp = fgets($sock, 512);
+    fwrite($sock, "QUIT\r\n");
+    fclose($sock);
+
+    return (substr($resp, 0, 3) === '250') ? '' : "Lähetys epäonnistui: $resp";
+}
+
+$fromAddr = 'sivusto@cuitunet.fi';
+$smtpError = sendViaSMTP($fromAddr, $to, $subject, $body, $email);
+
+if (empty($smtpError)) {
     // Tallenna rate limit
     file_put_contents($rateLimitFile, $now);
 
@@ -97,6 +146,7 @@ if ($sent) {
 
     echo json_encode(['success' => true]);
 } else {
+    error_log("cuitunet.fi send.php SMTP error: $smtpError");
     http_response_code(500);
     echo json_encode(['success' => false, 'error' => 'Viestin lähetys epäonnistui. Yritä myöhemmin uudelleen.']);
 }