diff --git a/apps/web/app/api/cron/bookingReminder/route.ts b/apps/web/app/api/cron/bookingReminder/route.ts
index 5831b7b06a..10d3e180b7 100644
--- a/apps/web/app/api/cron/bookingReminder/route.ts
+++ b/apps/web/app/api/cron/bookingReminder/route.ts
@@ -55,6 +55,8 @@ async function postHandler(request: NextRequest) {
             locale: true,
             timeZone: true,
             destinationCalendar: true,
+            isPlatformManaged: true,
+            platformOAuthClients: { select: { id: true, areEmailsEnabled: true } },
           },
         },
         eventType: {
@@ -70,11 +72,18 @@ async function postHandler(request: NextRequest) {
       },
     });
 
+    const bookingsToRemind = bookings.filter(
+      (booking) =>
+        !booking.user ||
+        !booking.user.isPlatformManaged ||
+        (booking.user.isPlatformManaged && Boolean(booking.user.platformOAuthClients?.[0]?.areEmailsEnabled))
+    );
+
     const reminders = await prisma.reminderMail.findMany({
       where: {
         reminderType: ReminderType.PENDING_BOOKING_CONFIRMATION,
         referenceId: {
-          in: bookings.map((b) => b.id),
+          in: bookingsToRemind.map((b) => b.id),
         },
         elapsedMinutes: {
           gte: interval,