diff --git a/frontend/src/lib/email.ts b/frontend/src/lib/email.ts
index d8f10a7..c8cd830 100644
--- a/frontend/src/lib/email.ts
+++ b/frontend/src/lib/email.ts
@@ -22,6 +22,9 @@ const SITE_URL = isProduction
 
 let transporter: nodemailer.Transporter | null = null;
 
+console.log('[EMAIL] isDev:', isDev, 'isProduction:', isProduction);
+console.log('[EMAIL] SMTP config:', { host: SMTP_HOST, port: SMTP_PORT, auth: !!SMTP_AUTH_USER });
+
 function getTransporter() {
   if (!transporter) {
     transporter = nodemailer.createTransport({
diff --git a/frontend/src/pages/api/auth/sign-up.ts b/frontend/src/pages/api/auth/sign-up.ts
index 519056c..988df60 100644
--- a/frontend/src/pages/api/auth/sign-up.ts
+++ b/frontend/src/pages/api/auth/sign-up.ts
@@ -34,9 +34,12 @@ export const POST: APIRoute = async ({ request, redirect }) => {
     const verifyToken = Buffer.from(`${record.id}:${email}:${Date.now()}`).toString('base64').replace(/=/g, '');
     const verifyLink = `${getSiteUrl()}/auth/verify?token=${verifyToken}&userId=${record.id}`;
     
+    console.log('Verify link:', verifyLink);
+    
     // Отправляем письмо с ссылкой подтверждения
     const html = generateVerifyEmailHtml(firstName || 'Пользователь', verifyLink);
     
+    console.log('Sending email to:', email);
     const emailSent = await sendEmail({
       to: email,
       subject: 'Подтверждение регистрации — Автоюрист Сургут',