diff --git a/EmailHandler.php b/EmailHandler.php
index 41592cb..36e071e 100644
--- a/EmailHandler.php
+++ b/EmailHandler.php
@@ -1,5 +1,4 @@
 <?php
-
 namespace Kanboard\Plugin\Mailgun;
 
 require_once __DIR__.'/vendor/autoload.php';
@@ -95,19 +94,26 @@ public function validate(array $payload)
             return false;
         }
 
+        // The project must have a short name
+        $project = $this->projectModel->getByEmail($payload['recipient']);
+
+        if (empty($project)) {
+            $this->logger->info('Mailgun: ignored => project not found');
+            return false;
+        }
+
         // The user must exists in Kanboard
         $user = $this->userModel->getByEmail($payload['sender']);
 
+        // Check to see if a catchall user was specified - if the original sender is unrecognized
         if (empty($user)) {
-            $this->logger->info('Mailgun: ignored => user not found');
-            return false;
+            $catchAllAddress = $this->projectMetadataModel->get($project['id'], 'mailgun_catch_all');
+            $user = $this->userModel->getByEmail($catchAllAddress);
+            $this->logger->info('Mailgun: unknown user mapped to ' . $user['name'] . ' (' . $user['email'] . ') in project ' . $project['name']);
         }
 
-        // The project must have a short name
-        $project = $this->projectModel->getByEmail($payload['recipient']);
-
-        if (empty($project)) {
-            $this->logger->info('Mailgun: ignored => project not found');
+        if (empty($user)) {
+            $this->logger->info('Mailgun: ignored => user not found');
             return false;
         }
 
diff --git a/Locale/fr_FR/translations.php b/Locale/fr_FR/translations.php
index 1e0a06d..7594d9a 100644
--- a/Locale/fr_FR/translations.php
+++ b/Locale/fr_FR/translations.php
@@ -2,5 +2,7 @@
 
 return array(
     'Help on Mailgun integration' => 'Aide sur l\'intégration avec Mailgun',
+    'Catch-All Email Address' => 'Adresse e-mail « attrape-tout » (catch-all)',
+    'Blank value will cause unknown senders to be ignored' => 'Une valeur vide ignore les expéditeurs inconnus'
 );
 
diff --git a/Plugin.php b/Plugin.php
index 28f4dac..5a72b78 100644
--- a/Plugin.php
+++ b/Plugin.php
@@ -17,9 +17,10 @@ class Plugin extends Base
     public function initialize()
     {
         $this->emailClient->setTransport('mailgun', '\Kanboard\Plugin\Mailgun\EmailHandler');
+        $this->template->hook->attach('template:project:integrations', 'mailgun:project/integration');
         $this->template->hook->attach('template:config:integrations', 'mailgun:config/integration');
-        $this->route->addRoute('/mailgun/handler/:token', 'WebhookController', 'receiver', 'mailgun');
         $this->applicationAccessMap->add('WebhookController', 'receiver', Role::APP_PUBLIC);
+        $this->route->addRoute('/mailgun/handler/:token', 'WebhookController', 'receiver', 'mailgun');
     }
 
     public function onStartup()
@@ -39,7 +40,7 @@ public function getPluginAuthor()
 
     public function getPluginVersion()
     {
-        return '1.0.10';
+        return '1.0.11';
     }
 
     public function getPluginHomepage()
diff --git a/README.md b/README.md
index abcf4bf..7088aba 100644
--- a/README.md
+++ b/README.md
@@ -111,6 +111,14 @@ Notes
 Changes
 -------
 
+### Version 1.0.11
+
+- For unknown senders you can now accept them into a project by specifying a user to accept the task - this is configurable on a project level - leaving the setting blank will cause unknown senders to be ignored.
+
+### Version 1.0.10
+
+- Update help link URL
+
 ### Version 1.0.9
 
 - Tasks created by incoming email are assigned to the recipient
diff --git a/Template/project/integration.php b/Template/project/integration.php
new file mode 100644
index 0000000..635ea88
--- /dev/null
+++ b/Template/project/integration.php
@@ -0,0 +1,14 @@
+<h3><img src="<?= $this->url->dir() ?>plugins/Mailgun/mailgun-icon.png"/>&nbsp;Mailgun</h3>
+<div class="panel">
+    <?= $this->form->label(t('Catch-All Email Address'), 'mailgun_catch_all') ?>
+    <?= $this->form->email('mailgun_catch_all', $values) ?>
+
+    <p class="form-help">
+        <?= t('Blank value will cause unknown senders to be ignored') ?> -
+        <a href="https://github.com/kanboard/plugin-mailgun#installation" target="_blank"><?= t('Help on Mailgun integration') ?></a>
+    </p>
+
+    <div class="form-actions">
+        <input type="submit" value="<?= t('Save') ?>" class="btn btn-blue">
+    </div>
+</div>
diff --git a/Test/EmailHandlerTest.php b/Test/EmailHandlerTest.php
index e84a52c..c1642ce 100644
--- a/Test/EmailHandlerTest.php
+++ b/Test/EmailHandlerTest.php
@@ -5,6 +5,7 @@
 use Kanboard\Plugin\Mailgun\EmailHandler;
 use Kanboard\Model\TaskFinderModel;
 use Kanboard\Model\ProjectModel;
+use Kanboard\Model\ProjectMetadataModel;
 use Kanboard\Model\ProjectUserRoleModel;
 use Kanboard\Model\UserModel;
 use Kanboard\Core\Security\Role;
@@ -116,6 +117,38 @@ public function testHandlePayload()
         $this->assertEquals(2, $task['creator_id']);
     }
 
+    public function testHandlePayloadFromAnyone()
+    {
+        $emailHandler = new EmailHandler($this->container);
+        $projectModel = new ProjectModel($this->container);
+        $projectUserRoleModel = new ProjectUserRoleModel($this->container);
+        $userModel = new UserModel($this->container);
+        $taskFinderModel = new TaskFinderModel($this->container);
+        $projectMetadataModel = new ProjectMetadataModel($this->container);
+
+        $this->assertEquals(2, $userModel->create(array('username' => 'anyone', 'email' => 'anyone@localhost')));
+
+        $this->assertEquals(1, $projectModel->create(array('name' => 'test1')));
+        $this->assertEquals(2, $projectModel->create(array('name' => 'test2', 'email' => 'test2@localhost')));
+
+        // Allow project 2 to receive E-Mail from any sender
+        $this->assertTrue($projectMetadataModel->save(2, array('mailgun_catch_all' => 'anyone@localhost')));
+
+        // Message is from a user not in a project - and should be mapped to the project user
+        $this->assertFalse($emailHandler->receiveEmail(array('sender' => 'me@localhost', 'subject' => 'Email task', 'recipient' => 'test2@localhost', 'stripped-text' => 'boo')));
+        $this->assertTrue($projectUserRoleModel->addUser(2, 2, Role::PROJECT_MEMBER));
+
+        // The task must be created
+        $this->assertTrue($emailHandler->receiveEmail(array('sender' => 'd@e.f', 'subject' => 'Email task', 'recipient' => 'test2@localhost', 'stripped-html' => '<strong>boo</strong>')));
+
+        $task = $taskFinderModel->getById(1);
+        $this->assertNotEmpty($task);
+        $this->assertEquals(2, $task['project_id']);
+        $this->assertEquals('Email task', $task['title']);
+        $this->assertEquals('**boo**', $task['description']);
+        $this->assertEquals(2, $task['creator_id']);
+    }
+
     public function testGetSubject()
     {
         $handler = new EmailHandler($this->container);