diff --git a/index.js b/index.js
index 708d197..532c218 100644
--- a/index.js
+++ b/index.js
@@ -247,7 +247,8 @@ app.post('/mininq/mbox/r', async (req, res) => {
                   "url": mininq_pub.url
                 } : {
                   "name": `${mininq_pub.name} sent:`
-                }
+                },
+                "timestamp": new Date(mininq_pub.time).toISOString()
               }
             ],
             "attachments": []
@@ -296,7 +297,8 @@ app.post('/mininq/mbox/r', async (req, res) => {
                   "url": mininq.url
                 } : {
                   "name": `${mininq.name} sent:`
-                }
+                },
+                "timestamp": new Date(mininq.time).toISOString()
               },
               {
                 "description": body.msg,
@@ -415,7 +417,18 @@ app.post('/mininq/send', async (req, res) => {
     try {
       let publicKeyWorks = await checkPublicKey(body);
 
-      if (publicKeyWorks) newObject.url = body.pkeyurl;
+      if (publicKeyWorks) {
+        newObject.url = body.pkeyurl;
+
+        const isUrlAlreadyMininq = await db
+          .selectFrom('mininq')
+          .select('url')
+          .where('url', '=', newObject.url)
+          .where('public', '=', 0)
+          .executeTakeFirst();
+
+        if (isUrlAlreadyMininq != null) return res.status(403).send("Pubkey is already in mailbox");
+      }
     } catch (err) {
       // do nothing lol
     }
diff --git a/views/components/mininq.ejs b/views/components/mininq.ejs
index 94f6479..f16882d 100644
--- a/views/components/mininq.ejs
+++ b/views/components/mininq.ejs
@@ -11,4 +11,5 @@
     <h3>sysadmin reply:</h3>
     <p style="white-space: pre-line;"><%= mininq.reply %></p>
   </section>
-<% } %>
\ No newline at end of file
+<% } %>
+<p style="opacity: 0.5;"><%= new Date(mininq.time).toLocaleString('en-us', { timeZone: "America/Chicago" }) %> Central Time</p>
\ No newline at end of file