diff --git a/app/javascript/dashboard/components/widgets/conversation/ReplyBox.vue b/app/javascript/dashboard/components/widgets/conversation/ReplyBox.vue
index 3046356e9..16480c934 100644
--- a/app/javascript/dashboard/components/widgets/conversation/ReplyBox.vue
+++ b/app/javascript/dashboard/components/widgets/conversation/ReplyBox.vue
@@ -240,6 +240,9 @@ export default {
       if (this.isASmsInbox) {
         return MESSAGE_MAX_LENGTH.TWILIO_SMS;
       }
+      if (this.isAnEmailChannel) {
+        return MESSAGE_MAX_LENGTH.EMAIL;
+      }
       return MESSAGE_MAX_LENGTH.GENERAL;
     },
     showFileUpload() {
diff --git a/app/javascript/shared/helpers/MessageTypeHelper.js b/app/javascript/shared/helpers/MessageTypeHelper.js
index b860ccb38..6f9a9f9f2 100644
--- a/app/javascript/shared/helpers/MessageTypeHelper.js
+++ b/app/javascript/shared/helpers/MessageTypeHelper.js
@@ -8,4 +8,5 @@ export const MESSAGE_MAX_LENGTH = {
   FACEBOOK: 1000,
   TWILIO_SMS: 320,
   TWILIO_WHATSAPP: 1600,
+  EMAIL: 25000,
 };