diff --git a/management/templates/system-status.html b/management/templates/system-status.html
index dc9233a5..a56d0cd5 100644
--- a/management/templates/system-status.html
+++ b/management/templates/system-status.html
@@ -1,160 +1,169 @@
 <h2>System Status Checks</h2>
 
 <style>
-#system-checks .heading td {
-  font-weight: bold;
-  font-size: 120%;
-  padding-top: 1.5em;
-}
-#system-checks .heading.first td {
-  border-top: none;
-  padding-top: 0;
-}
-#system-checks .status-error td {
-  color: #733;
-}
-#system-checks .status-warning td {
-  color: #770;
-}
-#system-checks .status-ok td {
-  color: #040;
-}
-#system-checks div.extra {
-  display: none;
-  margin-top: 1em;
-  max-width: 50em;
-  word-wrap: break-word;
-}
-#system-checks a.showhide {
-  display: none;
-  font-size: 85%;
-}
-#system-checks .pre {
-  margin: 1em;
-  font-family: monospace;
-  white-space: pre-wrap;
-}
+    #system-checks .heading td {
+        font-weight: bold;
+        font-size: 120%;
+        padding-top: 1.5em;
+    }
+
+    #system-checks .heading.first td {
+        border-top: none;
+        padding-top: 0;
+    }
+
+    #system-checks .status-error td {
+        color: rgb(180, 0, 0);
+    }
+
+    #system-checks .status-warning td {
+        color: rgb(180, 180, 0);
+    }
+
+    #system-checks .status-ok td {
+        color: rgb(0, 180, 0);
+    }
+
+    #system-checks div.extra {
+        display: none;
+        margin-top: 1em;
+        max-width: 50em;
+        word-wrap: break-word;
+    }
+
+    #system-checks a.showhide {
+        display: none;
+        font-size: 85%;
+    }
+
+    #system-checks .pre {
+        margin: 1em;
+        font-family: monospace;
+        white-space: pre-wrap;
+    }
 </style>
 
 <div class="row">
-	<div class="col-md-push-9 col-md-3">
+    <div class="col-md-push-9 col-md-3">
 
-<div id="system-reboot-required" style="display: none; margin-bottom: 1em;">
-	<button type="button" class="btn btn-danger" onclick="confirm_reboot(); return false;">Reboot Box</button>
-	<div>No reboot is necessary.</div>
-</div>
+        <div id="system-reboot-required" style="display: none; margin-bottom: 1em;">
+            <button type="button" class="btn btn-danger" onclick="confirm_reboot(); return false;">Reboot Box</button>
+            <div>No reboot is necessary.</div>
+        </div>
 
-<div id="system-privacy-setting" style="display: none">
-	<div><a onclick="return enable_privacy(!current_privacy_setting)" href="#"><span>Enable/Disable</span> New-Version Check</a></div>
-	<p style="line-height: 125%"><small>(When enabled, status checks phone-home to check for a new release of Mail-in-a-Box.)</small></p>
-</div>
+        <div id="system-privacy-setting" style="display: none">
+            <div><a onclick="return enable_privacy(!current_privacy_setting)" href="#"><span>Enable/Disable</span>
+                    New-Version Check</a></div>
+            <p style="line-height: 125%"><small>(When enabled, status checks phone-home to check for a new release of
+                    Mail-in-a-Box.)</small></p>
+        </div>
 
-	</div> <!-- /col -->
-	<div class="col-md-pull-3 col-md-8">
+    </div> <!-- /col -->
+    <div class="col-md-pull-3 col-md-8">
 
-<table id="system-checks" class="table" style="max-width: 60em">
-  <thead>
-  </thead>
-  <tbody>
-  </tbody>
-</table>
+        <table id="system-checks" class="table" style="max-width: 60em">
+            <thead>
+            </thead>
+            <tbody>
+            </tbody>
+        </table>
 
-	</div> <!-- /col -->
+    </div> <!-- /col -->
 </div> <!-- /row -->
 
 <script>
-function show_system_status() {
-  $('#system-checks tbody').html("<tr><td colspan='2' class='text-muted'>Loading...</td></tr>")
+    function show_system_status() {
+        $('#system-checks tbody').html("<tr><td colspan='2' class='text-muted'>Loading...</td></tr>")
 
-  api(
-    "/system/privacy",
-    "GET",
-    { },
-    function(r) {
-      current_privacy_setting = r;
-      $('#system-privacy-setting').show();
-      $('#system-privacy-setting a span').text(r ? "Enable" : "Disable");
-      $('#system-privacy-setting p').toggle(r);
-    });
+        api(
+            "/system/privacy",
+            "GET",
+            {},
+            function (r) {
+                current_privacy_setting = r;
+                $('#system-privacy-setting').show();
+                $('#system-privacy-setting a span').text(r ? "Enable" : "Disable");
+                $('#system-privacy-setting p').toggle(r);
+            });
 
-  api(
-    "/system/reboot",
-    "GET",
-    { },
-    function(r) {
-      $('#system-reboot-required').show(); // show when r becomes available
-      $('#system-reboot-required').find('button').toggle(r);
-      $('#system-reboot-required').find('div').toggle(!r);
-    });
+        api(
+            "/system/reboot",
+            "GET",
+            {},
+            function (r) {
+                $('#system-reboot-required').show(); // show when r becomes available
+                $('#system-reboot-required').find('button').toggle(r);
+                $('#system-reboot-required').find('div').toggle(!r);
+            });
 
-  api(
-    "/system/status",
-    "POST",
-    { },
-    function(r) {
-      $('#system-checks tbody').html("");
-      for (var i = 0; i < r.length; i++) {
-        var n = $("<tr><td class='status'/><td class='message'><p style='margin: 0'/><div class='extra'/><a class='showhide' href='#'/></tr>");
-        if (i == 0) n.addClass('first')
-        if (r[i].type == "heading")
-                n.addClass(r[i].type)
-        else
-                n.addClass("status-" + r[i].type)
-        if (r[i].type == "ok") n.find('td.status').text("✓")
-        if (r[i].type == "error") n.find('td.status').text("✖")
-        if (r[i].type == "warning") n.find('td.status').text("?")
-        n.find('td.message p').text(r[i].text)
-        $('#system-checks tbody').append(n);
+        api(
+            "/system/status",
+            "POST",
+            {},
+            function (r) {
+                $('#system-checks tbody').html("");
+                for (var i = 0; i < r.length; i++) {
+                    var n = $("<tr><td class='status'/><td class='message'><p style='margin: 0'/><div class='extra'/><a class='showhide' href='#'/></tr>");
+                    if (i == 0) n.addClass('first')
+                    if (r[i].type == "heading")
+                        n.addClass(r[i].type)
+                    else
+                        n.addClass("status-" + r[i].type)
+                    if (r[i].type == "ok") n.find('td.status').text("✓")
+                    if (r[i].type == "error") n.find('td.status').text("✖")
+                    if (r[i].type == "warning") n.find('td.status').text("?")
+                    n.find('td.message p').text(r[i].text)
+                    $('#system-checks tbody').append(n);
 
-        if (r[i].extra.length > 0) {
-          n.find('a.showhide').show().text("show more").click(function() {
-            $(this).hide();
-            $(this).parent().find('.extra').fadeIn();
-            return false;
-          });
-        }
+                    if (r[i].extra.length > 0) {
+                        n.find('a.showhide').show().text("show more").click(function () {
+                            $(this).hide();
+                            $(this).parent().find('.extra').fadeIn();
+                            return false;
+                        });
+                    }
 
-        for (var j = 0; j < r[i].extra.length; j++) {
+                    for (var j = 0; j < r[i].extra.length; j++) {
 
-          var m = $("<div/>").text(r[i].extra[j].text)
-          if (r[i].extra[j].monospace)
-            m.addClass("pre");
-          n.find('> td.message > div').append(m);
-        }
-      }
-    })
+                        var m = $("<div/>").text(r[i].extra[j].text)
+                        if (r[i].extra[j].monospace)
+                            m.addClass("pre");
+                        n.find('> td.message > div').append(m);
+                    }
+                }
+            })
 
-}
+    }
 
-var current_privacy_setting = null;
-function enable_privacy(status) {
-  api(
-    "/system/privacy",
-    "POST",
-    {
-      value: (status ? "private" : "off")
-    },
-    function(res) {
-      show_system_status();
-    });
-  return false; // disable link
-}
+    var current_privacy_setting = null;
+    function enable_privacy(status) {
+        api(
+            "/system/privacy",
+            "POST",
+            {
+                value: (status ? "private" : "off")
+            },
+            function (res) {
+                show_system_status();
+            });
+        return false; // disable link
+    }
 
-function confirm_reboot() {
-  show_modal_confirm(
-    "Reboot",
-    $("<p>This will reboot your Mail-in-a-Box <code>{{hostname}}</code>.</p> <p>Until the machine is fully restarted, your users will not be able to send and receive email, and you will not be able to connect to this control panel or with SSH. The reboot cannot be cancelled.</p>"),
-    "Reboot Now",
-    function() {
-      api(
-        "/system/reboot",
-        "POST",
-        { },
-        function(r) {
-          var msg = "<p>Please reload this page after a minute or so.</p>";
-          if (r) msg = "<p>The reboot command said:</p> <pre>" + $("<pre/>").text(r).html() + "</pre>"; // successful reboots don't produce any output; the output must be HTML-escaped
-          show_modal_error("Reboot", msg);
-        });
-    });
-}
+    function confirm_reboot() {
+        show_modal_confirm(
+            "Reboot",
+            $("<p>This will reboot your Mail-in-a-Box <code>{{hostname}}</code>.</p> <p>Until the machine is fully restarted, your users will not be able to send and receive email, and you will not be able to connect to this control panel or with SSH. The reboot cannot be cancelled.</p>"),
+            "Reboot Now",
+            function () {
+                api(
+                    "/system/reboot",
+                    "POST",
+                    {},
+                    function (r) {
+                        var msg = "<p>Please reload this page after a minute or so.</p>";
+                        if (r) msg = "<p>The reboot command said:</p> <pre>" + $("<pre/>").text(r).html() + "</pre>"; // successful reboots don't produce any output; the output must be HTML-escaped
+                        show_modal_error("Reboot", msg);
+                    });
+            });
+    }
 </script>
diff --git a/setup/mail-postfix.sh b/setup/mail-postfix.sh
index 0a66cb0f..f7641b5b 100755
--- a/setup/mail-postfix.sh
+++ b/setup/mail-postfix.sh
@@ -58,7 +58,7 @@ tools/editconf.py /etc/postfix/main.cf \
 	smtp_bind_address=$PRIVATE_IP \
 	smtp_bind_address6=$PRIVATE_IPV6 \
 	myhostname=$PRIMARY_HOSTNAME\
-	smtpd_banner="\$myhostname ESMTP Hi, I'm a Mail-in-a-Box (Ubuntu/Postfix; see https://mailinabox.email/)" \
+	smtpd_banner="\$myhostname ESMTP Hi, I'm a Power Mail-in-a-Box (Debian/Postfix)" \
 	mydestination=localhost
 
 # Tweak some queue settings:
@@ -100,7 +100,7 @@ tools/editconf.py /etc/postfix/master.cf -s -w \
 # Install the `outgoing_mail_header_filters` file required by the new 'authclean' service.
 cp conf/postfix_outgoing_mail_header_filters /etc/postfix/outgoing_mail_header_filters
 
-# Modify the `outgoing_mail_header_filters` file to use the local machine name and ip 
+# Modify the `outgoing_mail_header_filters` file to use the local machine name and ip
 # on the first received header line.  This may help reduce the spam score of email by
 # removing the 127.0.0.1 reference.
 sed -i "s/PRIMARY_HOSTNAME/$PRIMARY_HOSTNAME/" /etc/postfix/outgoing_mail_header_filters