From f2ab76da9a4f6818cc1ddc083f45dfd0a1c6394f Mon Sep 17 00:00:00 2001
From: KishenKumarrrrr <kishen@open.gov.sg>
Date: Wed, 7 Aug 2024 09:56:59 +0800
Subject: [PATCH] fix: reject utf8 emails in transactional endpoint

---
 backend/src/email/routes/email-transactional.routes.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/backend/src/email/routes/email-transactional.routes.ts b/backend/src/email/routes/email-transactional.routes.ts
index ff930bd45..34e60cf35 100644
--- a/backend/src/email/routes/email-transactional.routes.ts
+++ b/backend/src/email/routes/email-transactional.routes.ts
@@ -24,7 +24,9 @@ export const InitEmailTransactionalRoute = (
   const sendValidator = {
     [Segments.BODY]: Joi.object({
       recipient: Joi.string()
-        .email()
+        .email({
+          allowUnicode: false,
+        })
         .options({ convert: true })
         .lowercase()
         .required(),