1 files changed, 8 insertions, 1 deletions
diff --git a/ui/app/components/send/send-content/send-to-row/send-to-row.utils.js b/ui/app/components/send/send-content/send-to-row/send-to-row.utils.js
index 0eeaa3a11..7efd2a772 100644
--- a/ui/app/components/send/send-content/send-to-row/send-to-row.utils.js
+++ b/ui/app/components/send/send-content/send-to-row/send-to-row.utils.js
@@ -1,16 +1,23 @@
 const {
   REQUIRED_ERROR,
   INVALID_RECIPIENT_ADDRESS_ERROR,
+  KNOWN_RECIPIENT_ADDRESS_ERROR,
 } = require('../../send.constants')
 const { isValidAddress } = require('../../../../util')
+import { checkExistingAddresses } from '../../../pages/add-token/util'
 
-function getToErrorObject (to, toError = null, hasHexData = false) {
+const ethUtil = require('ethereumjs-util')
+const contractMap = require('eth-contract-metadata')
+
+function getToErrorObject (to, toError = null, hasHexData = false, tokens = [], selectedToken = null) {
   if (!to) {
     if (!hasHexData) {
       toError = REQUIRED_ERROR
     }
   } else if (!isValidAddress(to) && !toError) {
     toError = INVALID_RECIPIENT_ADDRESS_ERROR
+  } else if (selectedToken && (ethUtil.toChecksumAddress(to) in contractMap || checkExistingAddresses(to, tokens))) {
+    toError = KNOWN_RECIPIENT_ADDRESS_ERROR
   }
 
   return { to: toError }