diff --git a/app/javascript/dashboard/components/widgets/conversation/ReplyBox.vue b/app/javascript/dashboard/components/widgets/conversation/ReplyBox.vue
index 25268679a..78ca32771 100644
--- a/app/javascript/dashboard/components/widgets/conversation/ReplyBox.vue
+++ b/app/javascript/dashboard/components/widgets/conversation/ReplyBox.vue
@@ -237,6 +237,9 @@ 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 29bfaed60..4ec3f8bbc 100644
--- a/app/javascript/shared/helpers/MessageTypeHelper.js
+++ b/app/javascript/shared/helpers/MessageTypeHelper.js
@@ -7,4 +7,5 @@ export const MESSAGE_MAX_LENGTH = {
   FACEBOOK: 1000,
   TWILIO_SMS: 320,
   TWILIO_WHATSAPP: 1600,
+  EMAIL: 25000,
 };