diff --git a/frontend/src/lib/email.ts b/frontend/src/lib/email.ts
index afb5b1f..9d27a17 100644
--- a/frontend/src/lib/email.ts
+++ b/frontend/src/lib/email.ts
@@ -17,6 +17,8 @@ const SITE_URL = isProduction
 
 console.log('[EMAIL] isDev:', isDev);
 console.log('[EMAIL] isProduction:', isProduction);
+console.log('[EMAIL] SMTP_BZ_API_KEY exists:', !!SMTP_BZ_API_KEY);
+console.log('[EMAIL] SMTP_BZ_API_KEY length:', SMTP_BZ_API_KEY.length);
 
 async function sendViaSmtpBz(options: EmailOptions): Promise<boolean> {
   try {
diff --git a/frontend/src/pages/api/auth/sign-up.ts b/frontend/src/pages/api/auth/sign-up.ts
index b3dc4f8..d3a0c3f 100644
--- a/frontend/src/pages/api/auth/sign-up.ts
+++ b/frontend/src/pages/api/auth/sign-up.ts
@@ -59,19 +59,20 @@ 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);
+    console.log('[SIGNUP] Verify link:', verifyLink);
+    console.log('[SIGNUP] Sending verification email to:', email);
     
     // Отправляем письмо с ссылкой подтверждения
     const html = generateVerifyEmailHtml(firstName || 'Пользователь', verifyLink);
     
-    console.log('Sending email to:', email);
+    console.log('[SIGNUP] Creating verification email HTML...');
     const emailSent = await sendEmail({
       to: email,
       subject: 'Подтверждение регистрации — Автоюрист Сургут',
       html
     });
 
-    console.log('Verify email sent:', emailSent);
+    console.log('[SIGNUP] Email sent result:', emailSent);
 
     return new Response(JSON.stringify({
       success: true,