diff --git a/.env.localhost b/.env.localhost
index 482880c..844bc76 100644
--- a/.env.localhost
+++ b/.env.localhost
@@ -20,7 +20,7 @@ DB_PORT=3306
 
 SMTP_HOST=autodiscover.qcells.com
 SMTP_PORT=25
-SMTP_SECURE=true
+SMTP_SECURE=false
 SMTP_USER=hss404.u021@cleverse.dev
 SMTP_PASSWORD=0000
 SMTP_FROM=qsalesplatform@qcells.com
diff --git a/src/libs/mailer.ts b/src/libs/mailer.ts
index a3f06e7..bfff92f 100644
--- a/src/libs/mailer.ts
+++ b/src/libs/mailer.ts
@@ -13,6 +13,7 @@ export async function sendEmail({ to, cc, subject, content }: EmailParams): Prom
     host: process.env.SMTP_HOST,
     port: Number(process.env.SMTP_PORT),
     secure: process.env.SMTP_SECURE === 'true',
+    requireTLS: true,
     auth: {
       user: process.env.SMTP_USER,
       pass: process.env.SMTP_PASSWORD,