diff --git a/onionr/api.py b/onionr/api.py
index 69f775c7..54adbc47 100755
--- a/onionr/api.py
+++ b/onionr/api.py
@@ -498,6 +498,12 @@ class API:
                     except AttributeError:
                         pass
             else:
+                validSig = False
+                signer = self._core._utils.bytesToStr(bl.signer)
+                print(signer, bl.isSigned(), self._core._utils.validatePubKey(signer), bl.isSigner(signer))
+                if bl.isSigned() and self._core._utils.validatePubKey(signer) and bl.isSigner(signer):
+                    validSig = True                    
+                bl.bheader['validSig'] = validSig
                 bl.bheader['meta'] = ''
                 retData = {'meta': bl.bheader, 'metadata': bl.bmetadata}
             return json.dumps(retData)
diff --git a/onionr/static-data/www/mail/index.html b/onionr/static-data/www/mail/index.html
index dd48b4f3..18b2ddfc 100755
--- a/onionr/static-data/www/mail/index.html
+++ b/onionr/static-data/www/mail/index.html
@@ -27,8 +27,10 @@
             <div id='messageDisplay' class='overlay'>
                 <div class='overlayContent'>
                     <span class='closeOverlay' overlay='messageDisplay'></span>
-                    <div>From: <input type='text' id='fromUser' readonly>
+                    <div>
+                        From: <input type='text' id='fromUser' readonly>
                     </div>
+                    <div id='signatureValidity'></div>
                     <div id='threadDisplay'>
                     </div>
                 </div>
diff --git a/onionr/static-data/www/mail/mail.js b/onionr/static-data/www/mail/mail.js
index d39c0380..fa6a87f0 100755
--- a/onionr/static-data/www/mail/mail.js
+++ b/onionr/static-data/www/mail/mail.js
@@ -63,10 +63,22 @@ function loadInboxEntrys(bHash){
         var senderInput = document.createElement('input')
         var subjectLine = document.createElement('span')
         var dateStr = document.createElement('span')
+        var validSig = document.createElement('span')
         var humanDate = new Date(0)
         var metadata = resp['metadata']
         humanDate.setUTCSeconds(resp['meta']['time'])
         senderInput.value = httpGet('/getHumanReadable/' + resp['meta']['signer'])
+        alert(resp['meta']['validSig'])
+        if (resp['meta']['validSig']){
+            validSig.innerText = 'Signature Validity: Good'
+        }
+        else{
+            validSig.innerText = 'Signature Validity: Bad'
+            validSig.style.color = 'red';
+        }
+        if (senderInput.value == ''){
+            senderInput.value = 'Anonymous'
+        }
         bHashDisplay.innerText = bHash.substring(0, 10)
         entry.setAttribute('hash', bHash);
         senderInput.readOnly = true
@@ -81,6 +93,7 @@ function loadInboxEntrys(bHash){
         threadPart.appendChild(entry)
         entry.appendChild(bHashDisplay)
         entry.appendChild(senderInput)
+        entry.appendChild(validSig)
         entry.appendChild(subjectLine)
         entry.appendChild(dateStr)
         entry.classList.add('threadEntry')