diff --git a/frontend/src/lib/email.ts b/frontend/src/lib/email.ts
index c02a5d0..d8f10a7 100644
--- a/frontend/src/lib/email.ts
+++ b/frontend/src/lib/email.ts
@@ -2,20 +2,23 @@ import nodemailer from 'nodemailer';
 import type { EmailOptions } from '../globalInterfaces';
 
 const isDev = import.meta.env.DEV;
+const isProduction = import.meta.env.PROD === 'true' || !isDev;
 
-const SMTP_HOST = isDev 
-  ? 'localhost' 
-  : (import.meta.env.SMTP_HOST || 'smtp.gmail.com');
-const SMTP_PORT = isDev 
-  ? '1025' 
-  : (import.meta.env.SMTP_PORT || '465');
-const SMTP_AUTH_USER = import.meta.env.SMTP_AUTH_USER || '';
-const SMTP_AUTH_PASS = import.meta.env.SMTP_AUTH_PASS || '';
-const FROM_EMAIL = import.meta.env.FROM_EMAIL || 'noreply@localhost';
-const FROM_NAME = import.meta.env.FROM_NAME || 'Dev';
-const SITE_URL = isDev 
-  ? 'http://localhost:4321' 
-  : (import.meta.env.SITE_URL || 'https://avtourist-surgut.ru');
+const SMTP_HOST = isProduction 
+  ? (import.meta.env.SMTP_HOST || 'smtp.resend.com')
+  : 'localhost';
+const SMTP_PORT = isProduction 
+  ? (import.meta.env.SMTP_PORT || '465')
+  : '1025';
+const SMTP_AUTH_USER = isProduction ? (import.meta.env.SMTP_AUTH_USER || '') : '';
+const SMTP_AUTH_PASS = isProduction ? (import.meta.env.SMTP_AUTH_PASS || '') : '';
+const FROM_EMAIL = isProduction 
+  ? (import.meta.env.FROM_EMAIL || 'onboarding@resend.onlinemail.me')
+  : 'noreply@localhost';
+const FROM_NAME = isProduction ? (import.meta.env.FROM_NAME || 'Автоюрист Сургут') : 'Dev';
+const SITE_URL = isProduction 
+  ? (import.meta.env.SITE_URL || 'https://avtourist-surgut.ru')
+  : 'http://localhost:4321';
 
 let transporter: nodemailer.Transporter | null = null;
 
@@ -24,12 +27,12 @@ function getTransporter() {
     transporter = nodemailer.createTransport({
       host: SMTP_HOST,
       port: parseInt(SMTP_PORT),
-      secure: !isDev,
-      requireTLS: !isDev,
-      auth: isDev ? undefined : {
+      secure: isProduction,
+      requireTLS: isProduction,
+      auth: isProduction && SMTP_AUTH_USER ? {
         user: SMTP_AUTH_USER,
         pass: SMTP_AUTH_PASS,
-      },
+      } : undefined,
     });
   }
   return transporter;