diff --git a/src/js/client.js b/src/js/client.js
index b0a678730..a4a8c1a84 100644
--- a/src/js/client.js
+++ b/src/js/client.js
@@ -1990,6 +1990,20 @@ angular.module('Application').service('Client', ['$http', '$interval', '$timeout
         });
     };
 
+    Client.prototype.getMailUsage = function (domain, callback) {
+        var config = {
+            params: {
+                domain: domain
+            }
+        };
+
+        get('/api/v1/mailserver/usage', config, function (error, data, status) {
+            if (error) return callback(error);
+            if (status !== 200) return callback(new ClientError(status, data));
+                callback(null, data.usage);
+        });
+    };
+
     Client.prototype.getMailConfigForDomain = function (domain, callback) {
         get('/api/v1/mail/' + domain, null, function (error, data, status) {
             if (error) return callback(error);
diff --git a/src/views/email.html b/src/views/email.html
index 8b0ba15af..8cd23adea 100644
--- a/src/views/email.html
+++ b/src/views/email.html
@@ -304,6 +304,7 @@
                     <th>Name</th>
                     <th>Owner</th>
                     <th>Aliases</th>
+                    <th>Usage</th>
                     <th class="text-right">Action</th>
                   </tr>
                 </thead>
@@ -318,6 +319,9 @@
                     <td class="hand" ng-click="mailboxes.edit.show(mailbox)">
                       {{ mailbox.aliases }}
                     </td>
+                    <td class="hand" ng-click="mailboxes.edit.show(mailbox)">
+                      {{ mailbox.usage | prettyDiskSize }}
+                    </td>
                     <td class="text-right no-wrap">
                       <button class="btn btn-xs btn-default" ng-click="mailboxes.edit.show(mailbox)"><i class="fa fa-pencil-alt"></i></button>
                       <button class="btn btn-xs btn-danger" ng-click="mailboxes.remove.show(mailbox)"><i class="far fa-trash-alt"></i></button>
diff --git a/src/views/email.js b/src/views/email.js
index e4bbd4e5e..5bd3acad5 100644
--- a/src/views/email.js
+++ b/src/views/email.js
@@ -391,7 +391,13 @@ angular.module('Application').controller('EmailController', ['$scope', '$locatio
                         return m;
                     });
 
-                    callback();
+                    Client.getMailUsage($scope.domain.domain, function (error, usage) {
+                        if (error) return callback(error);
+
+                        $scope.mailboxes.mailboxes.forEach(function (m) { m.usage = usage[m.name].size || 0; });
+
+                        callback();
+                    });
                 });
             });
         }