Draft: Resolve "Redesign Mail"

Related to #79

plugins/tasks/Mail.php

@@ -56,7 +56,7 @@ class Mail implements EndpointInterface
   public function processMailTasks (array $tasks): array
   {
     $result = [];
-    $fdTasksConf    = $this->getMailObjectConfiguration();
+    $fdTasksConf    = MailUtils::getMailObjectConfiguration($this->gateway);
     $maxMailsConfig = $this->returnMaximumMailToBeSend($fdTasksConf);
 
     // Increment for anti=spam, starts at 0, each mail task only contain one email, addition if simply + one.
@@ -129,17 +129,6 @@ class Mail implements EndpointInterface
     return $result;
   }
 
-  /**
-   * @return array
-   * Note : A simple retrieval methods of the mail backend configuration set in FusionDirectory
-   */
-  private function getMailObjectConfiguration (): array
-  {
-    return $this->gateway->getLdapTasks(
-      "(objectClass=fdTasksConf)",
-      ["fdTasksConfLastExecTime", "fdTasksConfIntervalEmails", "fdTasksConfMaxEmails"]
-    );
-  }
 
   /**
    * @param array $fdTasksConf