diff --git a/index.html b/index.html
index e6ebcc9..66cffc6 100644
--- a/index.html
+++ b/index.html
@@ -54,6 +54,10 @@
         </div>
 
           <div v-else>
+            <div>
+              <button v-if="email" @click="setEmail()">Change/Disable Email Relaying</button>
+              <button v-else @click="setEmail()">Set Email Relaying</button>
+            </div>
             <form class="draft" @submit="sendSMS" @submit.prevent="onSubmit">
               <label>
                 Phone Number:
@@ -69,9 +73,12 @@
             <div v-if="threads.length">
               <br>
               <span v-for="person in threads">
-                <button @click="openThread(person)">{{ formatPhone(person) }} - Open Thread</button>
-                <button @click="deleteThread(person)" class="danger">Delete Thread</button>
-                <br><br>
+                <div v-if="person">
+                  <button @click="openThread(person)">{{ formatPhone(person) }} - Open Thread</button>
+                  <button @click="deleteThread(person)" class="danger">Delete Thread</button>
+                  <br><br>
+                </div>
+
               </span>
               <div v-if="showingThreadNum">
                 <div v-for="message in threadMessages">
diff --git a/main.js b/main.js
index 66b3365..dd3897a 100644
--- a/main.js
+++ b/main.js
@@ -18,7 +18,7 @@ let app = createApp({
       userIDInput: '',
       userID: "",
       showUserID: "",
-      backend: 'https://api.sms.voidnet.tech/',
+      backend: 'http://staging.chaoswebs.net/',
       availableNumbers: "",
       credits: "",
       threads: [],
@@ -35,7 +35,8 @@ let app = createApp({
       threadMessages: [],
       lastThreadLineHeader: 0,
       threadLineHeader: 0,
-      pricingInfo: ""
+      pricingInfo: "",
+      email: 0,
     }
   },
   methods: {
@@ -111,6 +112,8 @@ let app = createApp({
         this.disableSMSSend = false
         if (resp.status === 200) {
           this.messageToSend = ""
+          this.getThreads()
+          this.getThreadMessages
         }
         else{
           resp.text().then(text => {
@@ -125,6 +128,72 @@ let app = createApp({
       })
       return false
     },
+    async isUsingEmail(){
+      fetch(this.backend + this.userID + '/usingemail').then(response => {
+        if (response.ok) {
+          return response.text()
+        } else {
+          throw new Error('Network response was not ok.')
+        }
+      }).then(email => {
+        if (email === "1"){
+          this.email = 1
+        }
+        else{
+          this.email = 0
+        }
+      })
+    },
+    setEmail(){
+      if (! this.onLine){
+        alert("You are offline, cannot set email")
+        return
+      }
+      let email = prompt("Enter your email address to receive updates about MoneroSMS.\nLeave blank or cancel to disable email relaying.")
+      if (! this.onLine){
+        alert("You are offline, cannot set email")
+        return
+      }
+      if (email === null){
+        email = "none"
+      }
+      else{
+        email = email.trim()
+        if (email === ""){
+          email = "none"
+        }
+        else{
+          if (! RegExp('@').test(email)){
+            alert("Invalid email address")
+            return
+          }
+        }
+      }
+      fetch(this.backend + this.userID + '/setemail/' + email, {
+        method: 'POST'
+      }).then(resp => {
+        if (resp.status === 200) {
+
+          if (email === "none"){
+            this.email = 0
+            alert("Email disabled. You will see new messages in the UI")
+          }
+          else{
+            this.email = 1
+            alert("Email set to " + email + ". You will not see new messages in this UI.")
+          }
+        }
+        else{
+          resp.text().then(text => {
+            alert(text)
+            console.debug(text)
+        })
+        }
+      }).catch(err => {
+        alert(err.toString())
+        console.log(err)
+      })
+    },
     getThreads(doInterval){
       let updateThreads = async (data) => {
         if (! this.userID || document.hidden){
@@ -133,6 +202,10 @@ let app = createApp({
         let response = await fetch(this.backend + this.userID + '/list')
         if (response.ok){
           let textResp = await response.text()
+          if (RegExp('No').test(textResp)){
+            this.threads.length = 0
+            return
+          }
           if (! RegExp('You').test(textResp)){
             // Only update threads that changed
             let newThreads = textResp.split('\n')
@@ -189,6 +262,7 @@ let app = createApp({
           console.log("Number bought")
           this.ownedNumber = numToBuy
           this.numberPurchaseMessage = "Successfully purchased number"
+          this.getCredits()
         } else {
           if (res.status === 402){
             console.debug("Not enough credits")
@@ -201,6 +275,23 @@ let app = createApp({
       })
     },
     async userLogin() {
+      if (! this.onLine){
+        alert("You are offline, cannot login")
+        return
+      }
+      if (this.userID.length > 100){
+        alert("User ID too long")
+        return
+      }
+      if (this.userID.length < 8){
+        alert("User ID too short")
+        return
+      }
+      if (RegExp(' ').test(this.userID)){
+        alert("User ID cannot contain spaces")
+        return
+      }
+      this.isUsingEmail()
       this.getXMRAddress()
       this.getThreads(false)
       this.getCredits()
@@ -224,7 +315,7 @@ let app = createApp({
         }
         return null;
     },
-    getCredits(){
+    async getCredits(){
       if (! this.userID || document.hidden){return}
       this.getText(this.userID + '/creditbal').then((data) => {
         this.credits = data