diff --git a/src/components/structures/login/Registration.js b/src/components/structures/login/Registration.js
index f3744b7235..30afaf4f64 100644
--- a/src/components/structures/login/Registration.js
+++ b/src/components/structures/login/Registration.js
@@ -321,6 +321,12 @@ module.exports = React.createClass({
             case "RegistrationForm.ERR_PHONE_NUMBER_INVALID":
                 errMsg = _t('This doesn\'t look like a valid phone number.');
                 break;
+            case "RegistrationForm.ERR_MISSING_EMAIL":
+                errMsg = _t('An email address is required to register on this homeserver.');
+                break;
+            case "RegistrationForm.ERR_MISSING_PHONE_NUMBER":
+                errMsg = _t('A phone number is required to register on this homeserver.');
+                break;
             case "RegistrationForm.ERR_USERNAME_INVALID":
                 errMsg = _t('User names may only contain letters, numbers, dots, hyphens and underscores.');
                 break;
diff --git a/src/components/views/login/RegistrationForm.js b/src/components/views/login/RegistrationForm.js
index 1a365277c1..fe977025ae 100644
--- a/src/components/views/login/RegistrationForm.js
+++ b/src/components/views/login/RegistrationForm.js
@@ -182,12 +182,16 @@ module.exports = React.createClass({
                     });
                 }
                 const emailValid = email === '' || Email.looksValid(email);
-                this.markFieldValid(field_id, emailValid, "RegistrationForm.ERR_EMAIL_INVALID");
+                if (this._authStepIsRequired('m.login.email.identity') && (!emailValid || email === '')) {
+                    this.markFieldValid(field_id, false, "RegistrationForm.ERR_MISSING_EMAIL");
+                } else this.markFieldValid(field_id, emailValid, "RegistrationForm.ERR_EMAIL_INVALID");
                 break;
             case FIELD_PHONE_NUMBER:
                 const phoneNumber = this.refs.phoneNumber ? this.refs.phoneNumber.value : '';
                 const phoneNumberValid = phoneNumber === '' || phoneNumberLooksValid(phoneNumber);
-                this.markFieldValid(field_id, phoneNumberValid, "RegistrationForm.ERR_PHONE_NUMBER_INVALID");
+                if (this._authStepIsRequired('m.login.msisdn') && (!phoneNumberValid || phoneNumber === '')) {
+                    this.markFieldValid(field_id, false, "RegistrationForm.ERR_MISSING_PHONE_NUMBER");
+                } else this.markFieldValid(field_id, phoneNumberValid, "RegistrationForm.ERR_PHONE_NUMBER_INVALID");
                 break;
             case FIELD_USERNAME:
                 // XXX: SPEC-1
diff --git a/src/i18n/strings/en_EN.json b/src/i18n/strings/en_EN.json
index 8448f8d7d6..cd6891c767 100644
--- a/src/i18n/strings/en_EN.json
+++ b/src/i18n/strings/en_EN.json
@@ -43,6 +43,10 @@
     "The file '%(fileName)s' failed to upload": "The file '%(fileName)s' failed to upload",
     "The file '%(fileName)s' exceeds this home server's size limit for uploads": "The file '%(fileName)s' exceeds this home server's size limit for uploads",
     "Upload Failed": "Upload Failed",
+    "Failure to create room": "Failure to create room",
+    "Server may be unavailable, overloaded, or you hit a bug.": "Server may be unavailable, overloaded, or you hit a bug.",
+    "Send anyway": "Send anyway",
+    "Send": "Send",
     "Sun": "Sun",
     "Mon": "Mon",
     "Tue": "Tue",
@@ -82,6 +86,7 @@
     "Failed to invite users to community": "Failed to invite users to community",
     "Failed to invite users to %(groupId)s": "Failed to invite users to %(groupId)s",
     "Failed to add the following rooms to %(groupId)s:": "Failed to add the following rooms to %(groupId)s:",
+    "Unnamed Room": "Unnamed Room",
     "Riot does not have permission to send you notifications - please check your browser settings": "Riot does not have permission to send you notifications - please check your browser settings",
     "Riot was not given permission to send notifications - please try again": "Riot was not given permission to send notifications - please try again",
     "Unable to enable Notifications": "Unable to enable Notifications",
@@ -206,11 +211,6 @@
     "%(names)s and %(count)s others are typing|other": "%(names)s and %(count)s others are typing",
     "%(names)s and %(count)s others are typing|one": "%(names)s and one other is typing",
     "%(names)s and %(lastPerson)s are typing": "%(names)s and %(lastPerson)s are typing",
-    "Failure to create room": "Failure to create room",
-    "Server may be unavailable, overloaded, or you hit a bug.": "Server may be unavailable, overloaded, or you hit a bug.",
-    "Send anyway": "Send anyway",
-    "Send": "Send",
-    "Unnamed Room": "Unnamed Room",
     "This homeserver has hit its Monthly Active User limit.": "This homeserver has hit its Monthly Active User limit.",
     "This homeserver has exceeded one of its resource limits.": "This homeserver has exceeded one of its resource limits.",
     "Please <a>contact your service administrator</a> to continue using the service.": "Please <a>contact your service administrator</a> to continue using the service.",
@@ -331,6 +331,31 @@
     "Off": "Off",
     "On": "On",
     "Noisy": "Noisy",
+    "Invalid alias format": "Invalid alias format",
+    "'%(alias)s' is not a valid format for an alias": "'%(alias)s' is not a valid format for an alias",
+    "Invalid address format": "Invalid address format",
+    "'%(alias)s' is not a valid format for an address": "'%(alias)s' is not a valid format for an address",
+    "not specified": "not specified",
+    "not set": "not set",
+    "Remote addresses for this room:": "Remote addresses for this room:",
+    "Addresses": "Addresses",
+    "The main address for this room is": "The main address for this room is",
+    "Local addresses for this room:": "Local addresses for this room:",
+    "This room has no local addresses": "This room has no local addresses",
+    "New address (e.g. #foo:%(localDomain)s)": "New address (e.g. #foo:%(localDomain)s)",
+    "Invalid community ID": "Invalid community ID",
+    "'%(groupId)s' is not a valid community ID": "'%(groupId)s' is not a valid community ID",
+    "Flair": "Flair",
+    "Showing flair for these communities:": "Showing flair for these communities:",
+    "This room is not showing flair for any communities": "This room is not showing flair for any communities",
+    "New community ID (e.g. +foo:%(localDomain)s)": "New community ID (e.g. +foo:%(localDomain)s)",
+    "You have <a>enabled</a> URL previews by default.": "You have <a>enabled</a> URL previews by default.",
+    "You have <a>disabled</a> URL previews by default.": "You have <a>disabled</a> URL previews by default.",
+    "URL previews are enabled by default for participants in this room.": "URL previews are enabled by default for participants in this room.",
+    "URL previews are disabled by default for participants in this room.": "URL previews are disabled by default for participants in this room.",
+    "In encrypted rooms, like this one, URL previews are disabled by default to ensure that your homeserver (where the previews are generated) cannot gather information about links you see in this room.": "In encrypted rooms, like this one, URL previews are disabled by default to ensure that your homeserver (where the previews are generated) cannot gather information about links you see in this room.",
+    "URL Previews": "URL Previews",
+    "When someone puts a URL in their message, a URL preview can be shown to give more information about that link such as the title, description, and an image from the website.": "When someone puts a URL in their message, a URL preview can be shown to give more information about that link such as the title, description, and an image from the website.",
     "Cannot add any more widgets": "Cannot add any more widgets",
     "The maximum permitted number of widgets have already been added to this room.": "The maximum permitted number of widgets have already been added to this room.",
     "Add a widget": "Add a widget",
@@ -435,11 +460,11 @@
     "At this time it is not possible to reply with an emote.": "At this time it is not possible to reply with an emote.",
     "Markdown is disabled": "Markdown is disabled",
     "Markdown is enabled": "Markdown is enabled",
-    "Unpin Message": "Unpin Message",
-    "Jump to message": "Jump to message",
     "No pinned messages.": "No pinned messages.",
     "Loading...": "Loading...",
     "Pinned Messages": "Pinned Messages",
+    "Unpin Message": "Unpin Message",
+    "Jump to message": "Jump to message",
     "%(duration)ss": "%(duration)ss",
     "%(duration)sm": "%(duration)sm",
     "%(duration)sh": "%(duration)sh",
@@ -580,31 +605,6 @@
     "Scroll to unread messages": "Scroll to unread messages",
     "Jump to first unread message.": "Jump to first unread message.",
     "Close": "Close",
-    "Invalid alias format": "Invalid alias format",
-    "'%(alias)s' is not a valid format for an alias": "'%(alias)s' is not a valid format for an alias",
-    "Invalid address format": "Invalid address format",
-    "'%(alias)s' is not a valid format for an address": "'%(alias)s' is not a valid format for an address",
-    "not specified": "not specified",
-    "not set": "not set",
-    "Remote addresses for this room:": "Remote addresses for this room:",
-    "Addresses": "Addresses",
-    "The main address for this room is": "The main address for this room is",
-    "Local addresses for this room:": "Local addresses for this room:",
-    "This room has no local addresses": "This room has no local addresses",
-    "New address (e.g. #foo:%(localDomain)s)": "New address (e.g. #foo:%(localDomain)s)",
-    "Invalid community ID": "Invalid community ID",
-    "'%(groupId)s' is not a valid community ID": "'%(groupId)s' is not a valid community ID",
-    "Flair": "Flair",
-    "Showing flair for these communities:": "Showing flair for these communities:",
-    "This room is not showing flair for any communities": "This room is not showing flair for any communities",
-    "New community ID (e.g. +foo:%(localDomain)s)": "New community ID (e.g. +foo:%(localDomain)s)",
-    "You have <a>enabled</a> URL previews by default.": "You have <a>enabled</a> URL previews by default.",
-    "You have <a>disabled</a> URL previews by default.": "You have <a>disabled</a> URL previews by default.",
-    "URL previews are enabled by default for participants in this room.": "URL previews are enabled by default for participants in this room.",
-    "URL previews are disabled by default for participants in this room.": "URL previews are disabled by default for participants in this room.",
-    "In encrypted rooms, like this one, URL previews are disabled by default to ensure that your homeserver (where the previews are generated) cannot gather information about links you see in this room.": "In encrypted rooms, like this one, URL previews are disabled by default to ensure that your homeserver (where the previews are generated) cannot gather information about links you see in this room.",
-    "URL Previews": "URL Previews",
-    "When someone puts a URL in their message, a URL preview can be shown to give more information about that link such as the title, description, and an image from the website.": "When someone puts a URL in their message, a URL preview can be shown to give more information about that link such as the title, description, and an image from the website.",
     "Sunday": "Sunday",
     "Monday": "Monday",
     "Tuesday": "Tuesday",
@@ -984,7 +984,7 @@
     "You must <a>register</a> to use this functionality": "You must <a>register</a> to use this functionality",
     "You must join the room to see its files": "You must join the room to see its files",
     "There are no visible files in this room": "There are no visible files in this room",
-    "<h1>HTML for your community's page</h1>\n<p>\n    Use the long description to introduce new members to the community, or distribute\n    some important <a href=\"foo\">links</a>\n</p>\n<p>\n    You can even use 'img' tags\n</p>\n": "<h1>HTML for your community's page</h1>\n<p>\n    Use the long description to introduce new members to the community, or distribute\n    some important <a href=\"foo\">links</a>\n</p>\n<p>\n    You can even use 'img' tags\n</p>\n",
+    "<h1>HTML for your community's page</h1>\r\n<p>\r\n    Use the long description to introduce new members to the community, or distribute\r\n    some important <a href=\"foo\">links</a>\r\n</p>\r\n<p>\r\n    You can even use 'img' tags\r\n</p>\r\n": "<h1>HTML for your community's page</h1>\r\n<p>\r\n    Use the long description to introduce new members to the community, or distribute\r\n    some important <a href=\"foo\">links</a>\r\n</p>\r\n<p>\r\n    You can even use 'img' tags\r\n</p>\r\n",
     "Add rooms to the community summary": "Add rooms to the community summary",
     "Which rooms would you like to add to this summary?": "Which rooms would you like to add to this summary?",
     "Add to summary": "Add to summary",
@@ -1219,6 +1219,8 @@
     "Password too short (min %(MIN_PASSWORD_LENGTH)s).": "Password too short (min %(MIN_PASSWORD_LENGTH)s).",
     "This doesn't look like a valid email address.": "This doesn't look like a valid email address.",
     "This doesn't look like a valid phone number.": "This doesn't look like a valid phone number.",
+    "An email address is required to register on this homeserver.": "An email address is required to register on this homeserver.",
+    "A phone number is required to register on this homeserver.": "A phone number is required to register on this homeserver.",
     "You need to enter a user name.": "You need to enter a user name.",
     "An unknown error occurred.": "An unknown error occurred.",
     "I already have an account": "I already have an account",