diff --git a/webclient/app-controller.js b/webclient/app-controller.js
index 42c45f7c3..a77d32a5a 100644
--- a/webclient/app-controller.js
+++ b/webclient/app-controller.js
@@ -85,7 +85,7 @@ angular.module('MatrixWebClientController', ['matrixService', 'mPresence', 'even
         $scope.logout();
     });
     
-    $scope.updateHeader = function() {
+    $rootScope.updateHeader = function() {
         $scope.user_id = matrixService.config().user_id;
     };
 
diff --git a/webclient/components/matrix/matrix-service.js b/webclient/components/matrix/matrix-service.js
index 2ae55bea9..d399aa3cb 100644
--- a/webclient/components/matrix/matrix-service.js
+++ b/webclient/components/matrix/matrix-service.js
@@ -84,13 +84,14 @@ angular.module('matrixService', [])
         prefix: prefixPath,
 
         // Register an user
-        register: function(user_name, password) {
+        register: function(user_name, password, threepidCreds) {
             // The REST path spec
             var path = "/register";
 
             return doRequest("POST", path, undefined, {
                  user_id: user_name,
-                 password: password
+                 password: password,
+                 threepidCreds: threepidCreds
             });
         },
 
@@ -315,9 +316,9 @@ angular.module('matrixService', [])
             return doBaseRequest(config.identityServer, "POST", path, {}, data, headers); 
         },
 
-        authEmail: function(clientSecret, tokenId, code) {
+        authEmail: function(clientSecret, sid, code) {
             var path = "/_matrix/identity/api/v1/validate/email/submitToken";
-            var data = "token="+code+"&sid="+tokenId+"&clientSecret="+clientSecret;
+            var data = "token="+code+"&sid="+sid+"&clientSecret="+clientSecret;
             var headers = {};
             headers["Content-Type"] = "application/x-www-form-urlencoded";
             return doBaseRequest(config.identityServer, "POST", path, {}, data, headers);
@@ -330,6 +331,11 @@ angular.module('matrixService', [])
             headers["Content-Type"] = "application/x-www-form-urlencoded";
             return doBaseRequest(config.identityServer, "POST", path, {}, data, headers); 
         },
+
+        lookup3pid: function(medium, address) {
+            var path = "/_matrix/identity/api/v1/lookup?medium="+encodeURIComponent(medium)+"&address="+encodeURIComponent(address);
+            return doBaseRequest(config.identityServer, "GET", path, {}, undefined, {}); 
+        },
         
         uploadContent: function(file) {
             var path = "/_matrix/content";
diff --git a/webclient/login/login-controller.js b/webclient/login/login-controller.js
index 7369a28ef..e367b2f0c 100644
--- a/webclient/login/login-controller.js
+++ b/webclient/login/login-controller.js
@@ -15,8 +15,8 @@
  */
  
 angular.module('LoginController', ['matrixService'])
-.controller('LoginController', ['$scope', '$location', 'matrixService', 'eventStreamService',
-                                    function($scope, $location, matrixService, eventStreamService) {
+.controller('LoginController', ['$scope', '$rootScope', '$location', 'matrixService', 'eventStreamService',
+                                    function($scope, $rootScope, $location, matrixService, eventStreamService) {
     'use strict';
     
     
@@ -48,13 +48,39 @@ angular.module('LoginController', ['matrixService'])
     $scope.login_type = 'mxid'; // TODO: remember the user's preferred login_type
     
     $scope.login = function() {
+        matrixService.setConfig({
+            homeserver: $scope.account.homeserver,
+            identityServer: $scope.account.identityServer,
+        });
+        switch ($scope.login_type) {
+            case 'mxid':
+                $scope.login_with_mxid($scope.account.user_id, $scope.account.password);
+                break;
+            case 'email':
+                matrixService.lookup3pid('email', $scope.account.user_id).then(
+                    function(response) {
+                        if (response.data['address'] == undefined) {
+                            $scope.login_error_msg = "Invalid email address / password";
+                        } else {
+                            console.log("Got address "+response.data['mxid']+" for email "+$scope.account.user_id);
+                            $scope.login_with_mxid(response.data['mxid'], $scope.account.password);
+                        }
+                    },
+                    function() {
+                        $scope.login_error_msg = "Couldn't look up email address. Is your identity server set correctly?";
+                    }
+                );
+        }
+    };
+
+    $scope.login_with_mxid = function(mxid, password) {
         matrixService.setConfig({
             homeserver: $scope.account.homeserver,
             identityServer: $scope.account.identityServer,
             user_id: $scope.account.user_id
         });
         // try to login
-        matrixService.login($scope.account.user_id, $scope.account.password).then(
+        matrixService.login(mxid, password).then(
             function(response) {
                 if ("access_token" in response.data) {
                     $scope.feedback = "Login successful.";
@@ -65,6 +91,7 @@ angular.module('LoginController', ['matrixService'])
                         access_token: response.data.access_token
                     });
                     matrixService.saveConfig();
+                    $rootScope.updateHeader();
                     eventStreamService.resume();
                     $location.url("home");
                 }
diff --git a/webclient/login/register-controller.js b/webclient/login/register-controller.js
index 0ece57502..d70e83c3b 100644
--- a/webclient/login/register-controller.js
+++ b/webclient/login/register-controller.js
@@ -15,8 +15,8 @@
  */
  
 angular.module('RegisterController', ['matrixService'])
-.controller('RegisterController', ['$scope', '$location', 'matrixService', 'eventStreamService',
-                                    function($scope, $location, matrixService, eventStreamService) {
+.controller('RegisterController', ['$scope', '$rootScope', '$location', 'matrixService', 'eventStreamService',
+                                    function($scope, $rootScope, $location, matrixService, eventStreamService) {
     'use strict';
     
     // FIXME: factor out duplication with login-controller.js
@@ -30,6 +30,17 @@ angular.module('RegisterController', ['matrixService'])
     {
         hs_url += ":" + $location.port();
     }
+
+    var generateClientSecret = function() {
+        var ret = "";
+        var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+
+        for (var i = 0; i < 32; i++) {
+            ret += chars.charAt(Math.floor(Math.random() * chars.length));
+        }
+
+        return ret;
+    };
     
     $scope.account = {
         homeserver: hs_url,
@@ -43,7 +54,6 @@ angular.module('RegisterController', ['matrixService'])
     };
     
     $scope.register = function() {
-
         // Set the urls
         matrixService.setConfig({
             homeserver: $scope.account.homeserver,
@@ -59,7 +69,25 @@ angular.module('RegisterController', ['matrixService'])
             return;
         }
 
-        matrixService.register($scope.account.desired_user_id, $scope.account.pwd1).then(
+        if ($scope.account.email) {
+            $scope.clientSecret = generateClientSecret();
+            matrixService.linkEmail($scope.account.email, $scope.clientSecret, 1).then(
+                function(response) {
+                    $scope.wait_3pid_code = true;
+                    $scope.sid = response.data.sid;
+                    $scope.feedback = "";
+                },
+                function(response) {
+                    $scope.feedback = "Couldn't request verification email!";
+                }
+            );
+        } else {
+            registerWithMxidAndPassword($scope.account.desired_user_id, $scope.account.pwd1);
+        }
+    };
+
+    $scope.registerWithMxidAndPassword = function(mxid, password, threepidCreds) {
+        matrixService.register(mxid, password, threepidCreds).then(
             function(response) {
                 $scope.feedback = "Success";
                 // Update the current config 
@@ -74,7 +102,7 @@ angular.module('RegisterController', ['matrixService'])
                 matrixService.saveConfig();
                 
                 // Update the global scoped used_id var (used in the app header)
-                $scope.updateHeader();
+                $rootScope.updateHeader();
                 
                 eventStreamService.resume();
                 
@@ -87,15 +115,32 @@ angular.module('RegisterController', ['matrixService'])
                 $location.url("home");
             },
             function(error) {
+                console.trace("Registration error: "+error);
                 if (error.data) {
                     if (error.data.errcode === "M_USER_IN_USE") {
                         $scope.feedback = "Username already taken.";
+                        $scope.reenter_username = true;
                     }
                 }
                 else if (error.status === 0) {
                     $scope.feedback = "Unable to talk to the server.";
                 }
             });
+    }
+
+    $scope.verifyToken = function() {
+        matrixService.authEmail($scope.clientSecret, $scope.sid, $scope.account.threepidtoken).then(
+            function(response) {
+                if (!response.data.success) {
+                    $scope.feedback = "Unable to verify code.";
+                } else {
+                    $scope.registerWithMxidAndPassword($scope.account.desired_user_id, $scope.account.pwd1, [{'sid':$scope.sid, 'clientSecret':$scope.clientSecret, 'idServer': $scope.account.identityServer.split('//')[1]}]);
+                }
+            },
+            function(error) {
+                $scope.feedback = "Unable to verify code.";
+            }
+        );
     };
 
 }]);
diff --git a/webclient/login/register.html b/webclient/login/register.html
index 81995f1ae..06a6526b7 100644
--- a/webclient/login/register.html
+++ b/webclient/login/register.html
@@ -12,26 +12,34 @@
                 
                 <div style="text-align: center">
                     <br/>
-                    <input id="email" size="32" type="text" ng-focus="true" ng-model="account.email" placeholder="Email address (optional)" style="display: none"/>
-                    <div class="smallPrint" style="display: none;">Specifying an email address lets other users find you on Matrix more easily,<br/>
-                        and gives you a way to reset your password</div>
-                    <input id="desired_user_id" size="32" type="text" ng-model="account.desired_user_id" placeholder="Matrix ID (e.g. bob)"/>
-                    <br/>
-                    <input id="pwd1" size="32" type="password" ng-model="account.pwd1" placeholder="Type a password"/>
-                    <br/>
-                    <input id="pwd2" size="32" type="password" ng-model="account.pwd2" placeholder="Confirm your password"/>
-                    <br/>
-                    <input id="displayName" size="32" type="text" ng-model="account.displayName" placeholder="Display name (e.g. Bob Obson)"/>
-                    <br/>
-                    <br/>
+
+                    <input ng-show="!wait_3pid_code" id="email" size="32" type="text" ng-focus="true" ng-model="account.email" placeholder="Email address (optional)"/>
+                    <div ng-show="!wait_3pid_code" class="smallPrint">Specifying an email address lets other users find you on Matrix more easily,<br/>
+                        and will give you a way to reset your password in the future</div>
+                    <span ng-show="reenter_username">Choose another username:</span>
+                    <input ng-show="!wait_3pid_code || reenter_username" id="desired_user_id" size="32" type="text" ng-model="account.desired_user_id" placeholder="Matrix ID (e.g. bob)"/>
+                    <br ng-show="!wait_3pid_code" />
+                    <input ng-show="!wait_3pid_code" id="pwd1" size="32" type="password" ng-model="account.pwd1" placeholder="Type a password"/>
+                    <br ng-show="!wait_3pid_code" />
+                    <input ng-show="!wait_3pid_code" id="pwd2" size="32" type="password" ng-model="account.pwd2" placeholder="Confirm your password"/>
+                    <br ng-show="!wait_3pid_code" />
+                    <input ng-show="!wait_3pid_code" id="displayName" size="32" type="text" ng-model="account.displayName" placeholder="Display name (e.g. Bob Obson)"/>
+                    <br ng-show="!wait_3pid_code" />
+                    <br ng-show="!wait_3pid_code" />
                     
-                    <button ng-click="register()" ng-disabled="!account.desired_user_id || !account.homeserver || !account.pwd1 || !account.pwd2 || account.pwd1 !== account.pwd2">Sign up</button>
+                    <button ng-show="!wait_3pid_code" ng-click="register()" ng-disabled="!account.desired_user_id || !account.homeserver || !account.pwd1 || !account.pwd2 || account.pwd1 !== account.pwd2">Sign up</button>
+
+                    <div ng-show="wait_3pid_code">
+                    <span>Please enter the verification code sent to {{ account.email }}</span><br />
+                    <input id="threepidtoken" size="32" type="text" ng-focus="true" ng-model="account.threepidtoken" placeholder="Verification Code"/><br />
+                    <button ng-click="verifyToken()" ng-disabled="!account.threepidtoken">Validate</button>
+                    </div>
                     <br/><br/>
                 </div>
 
                 <div class="feedback">{{ feedback }} {{ login_error_msg }}</div>
                 
-                <div id="serverConfig">
+                <div id="serverConfig" ng-show="!wait_3pid_code">
                     <label for="homeserver">Home Server:</label> 
                     <input id="homeserver" size="32" type="text" ng-model="account.homeserver" placeholder="URL (e.g. http://matrix.org:8080)"/>
                     <div class="smallPrint">Your home server stores all your conversation and account data.</div>