From 84c478cb1cdbc072447bf0b3e9c5105d85ed5bd6 Mon Sep 17 00:00:00 2001
From: Waleed Latif <walif6@gmail.com>
Date: Fri, 1 May 2026 17:42:12 -0700
Subject: [PATCH] fix(mail): use html-to-text for plaintext email fallback

---
 apps/sim/app/api/tools/mail/send/route.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/apps/sim/app/api/tools/mail/send/route.ts b/apps/sim/app/api/tools/mail/send/route.ts
index 6ff45d5a0ed..3af8e3c264a 100644
--- a/apps/sim/app/api/tools/mail/send/route.ts
+++ b/apps/sim/app/api/tools/mail/send/route.ts
@@ -1,4 +1,5 @@
 import { createLogger } from '@sim/logger'
+import { convert } from 'html-to-text'
 import { type NextRequest, NextResponse } from 'next/server'
 import { Resend } from 'resend'
 import { mailSendContract } from '@/lib/api/contracts/tools/mail'
@@ -74,7 +75,7 @@ export const POST = withRouteHandler(async (request: NextRequest) => {
       emailData = {
         ...emailBase,
         html: validatedData.body,
-        text: validatedData.body.replace(/<[^>]*>/g, ''),
+        text: convert(validatedData.body, { wordwrap: false }),
       }
     } else {
       emailData = {