diff --git a/src/views/Conversations/Online/Input/EmailComposer.jsx b/src/views/Conversations/Online/Input/EmailComposer.jsx
index 830861f..1f95b79 100644
--- a/src/views/Conversations/Online/Input/EmailComposer.jsx
+++ b/src/views/Conversations/Online/Input/EmailComposer.jsx
@@ -150,6 +150,7 @@ const EmailComposer = ({ ...props }) => {
     setSendLoading(true)
     body.externalID = stickToCid
     body.actionID = `${stickToCid}.${msgObj.id}`
+    body.contenttype = 'text/plain';
     try {
       const bubbleMsg = cloneDeep(msgObj)
       bubbleMsg.id = `${stickToCid}.${msgObj.id}`
diff --git a/src/views/Conversations/Online/Input/EmailEditorPopup.jsx b/src/views/Conversations/Online/Input/EmailEditorPopup.jsx
index 1dec227..d3c0180 100644
--- a/src/views/Conversations/Online/Input/EmailEditorPopup.jsx
+++ b/src/views/Conversations/Online/Input/EmailEditorPopup.jsx
@@ -408,6 +408,7 @@ const EmailEditorPopup = ({ open, setOpen, fromEmail, fromUser, fromOrder, oid,
     setSendLoading(true);
     body.externalID = stickToCid;
     body.actionID = `${stickToCid}.${msgObj.id}`;
+    body.contenttype = isRichText ? 'text/html' : 'text/plain';
     try {
       const bubbleMsg = cloneDeep(msgObj);
       bubbleMsg.id = `${stickToCid}.${msgObj.id}`;