diff --git a/src/Config/notifications.killmails.php b/src/Config/notifications.killmails.php
new file mode 100644
index 0000000..64192f6
--- /dev/null
+++ b/src/Config/notifications.killmails.php
@@ -0,0 +1,28 @@
+<?php
+
+/*
+ * This file is part of SeAT
+ *
+ * Copyright (C) 2015 to 2021 Leon Jacobs
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+return [
+    'corporation_id' => env('NOTIFICATIONS_KILLMAILS_CORPORATION_ID', null),
+    'alliance_id' => env('NOTIFICATIONS_KILLMAILS_ALLIANCE_ID', null),
+    'process_kills' => env('NOTIFICATIONS_KILLMAILS_KILLS', true),
+    'process_losses' => env('NOTIFICATIONS_KILLMAILS_LOSSES', true),
+];
diff --git a/src/Notifications/AbstractKillmailNotification.php b/src/Notifications/AbstractKillmailNotification.php
new file mode 100644
index 0000000..8ef0986
--- /dev/null
+++ b/src/Notifications/AbstractKillmailNotification.php
@@ -0,0 +1,81 @@
+<?php
+
+/*
+ * This file is part of SeAT
+ *
+ * Copyright (C) 2015 to 2021 Leon Jacobs
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+namespace Seat\Notifications\Notifications;
+
+use AbstractNotification;
+
+/**
+ * Class AbstractKillmailNotification.
+ *
+ * @package Seat\Notifications\Notifications
+ */
+class AbstractKillmailNotification extends AbstractNotification
+{
+    /**
+     * Get the Slack representation of the notification.
+     *
+     * @param $notifiable
+     * @return bool
+     */
+    protected function shouldProcessKillmail($notifiable) {
+
+        $killmailConfig = config('notifications.killmails');
+
+        $allianceId = $killmailConfig['alliance_id'];
+        $corporationId = $killmailConfig['corporation_id'];
+        $processKills = $killmailConfig['process_kills'];
+        $processLosses = $killmailConfig['process_losses'];
+
+        $shouldProcess = true;
+
+        if ($allianceId && $corporationId) {
+            if ($this->killmail->victim->alliance_id === $allianceId && $this->killmail->victim->corporation_id === $corporationId) {
+                $shouldProcess = $processLosses;
+            } elseif (in_array($allianceId, $killmail->attackers->pluck('alliance_id')) || in_array($corporationId, $killmail->attackers->pluck('character_id'))) {
+                $shouldProcess = $processKills;
+            } else {
+                $shouldProcess = false;
+            }
+        } elseif ($allianceId) {
+            if ($this->killmail->victim->alliance_id === $allianceId) {
+                $shouldProcess = $processLosses;
+            }
+            elseif (in_array($allianceId, $killmail->attackers->pluck('alliance_id'))) {
+                $shouldProcess = $processKills;
+            } else {
+                $shouldProcess = false;
+            }
+        } elseif ($corporationId) {
+            if ($this->killmail->victim->corporation_id === $corporationId) {
+                $shouldProcess = $processLosses;
+            }
+            elseif (in_array($corporationId, $killmail->attackers->pluck('character_id'))) {
+                $shouldProcess = $processKills;
+            } else {
+                $shouldProcess = false;
+            }
+        }
+
+        return $shouldProcess;
+    }
+}
diff --git a/src/Notifications/Characters/Mail/Killmail.php b/src/Notifications/Characters/Mail/Killmail.php
index a1c10ef..fdca2b0 100644
--- a/src/Notifications/Characters/Mail/Killmail.php
+++ b/src/Notifications/Characters/Mail/Killmail.php
@@ -24,7 +24,7 @@
 
 use Illuminate\Notifications\Messages\MailMessage;
 use Seat\Eveapi\Models\Killmails\KillmailDetail;
-use Seat\Notifications\Notifications\AbstractNotification;
+use Seat\Notifications\Notifications\AbstractKillmailNotification;
 use Seat\Notifications\Traits\NotificationTools;
 
 /**
@@ -32,7 +32,7 @@
  *
  * @package Seat\Notifications\Notifications\Characters
  */
-class Killmail extends AbstractNotification
+class Killmail extends AbstractKillmailNotification
 {
     use NotificationTools;
 
@@ -44,7 +44,7 @@ class Killmail extends AbstractNotification
     /**
      * Create a new notification instance.
      *
-     * @param \Seat\Eveapi\Models\Killmails\KillmailDetail $killmail
+     * @param  \Seat\Eveapi\Models\Killmails\KillmailDetail  $killmail
      */
     public function __construct(KillmailDetail $killmail)
     {
@@ -55,7 +55,7 @@ public function __construct(KillmailDetail $killmail)
     /**
      * Get the notification's delivery channels.
      *
-     * @param  mixed $notifiable
+     * @param  mixed  $notifiable
      * @return array
      */
     public function via($notifiable)
@@ -67,12 +67,16 @@ public function via($notifiable)
     /**
      * Get the mail representation of the notification.
      *
-     * @param  mixed $notifiable
+     * @param  mixed  $notifiable
      * @return \Illuminate\Notifications\Messages\MailMessage
      */
     public function toMail($notifiable)
     {
 
+        if (! parent::shouldProcessKillmail($notifiable)) {
+            return null;
+        }
+
         return (new MailMessage)
             ->subject('Killmail Notification')
             ->line(
@@ -93,7 +97,7 @@ public function toMail($notifiable)
     /**
      * Get the array representation of the notification.
      *
-     * @param  mixed $notifiable
+     * @param  mixed  $notifiable
      * @return array
      */
     public function toArray($notifiable)
diff --git a/src/Notifications/Characters/Slack/Killmail.php b/src/Notifications/Characters/Slack/Killmail.php
index 3ffceca..5ce436d 100644
--- a/src/Notifications/Characters/Slack/Killmail.php
+++ b/src/Notifications/Characters/Slack/Killmail.php
@@ -23,9 +23,10 @@
 namespace Seat\Notifications\Notifications\Characters\Slack;
 
 use Illuminate\Notifications\Messages\SlackMessage;
+use Illuminate\Support\Facades\DB;
 use Seat\Eveapi\Models\Corporation\CorporationInfo;
 use Seat\Eveapi\Models\Killmails\KillmailDetail;
-use Seat\Notifications\Notifications\AbstractNotification;
+use Seat\Notifications\Notifications\AbstractKillmailNotification;
 use Seat\Notifications\Traits\NotificationTools;
 
 /**
@@ -33,7 +34,7 @@
  *
  * @package Seat\Notifications\Notifications\Characters
  */
-class Killmail extends AbstractNotification
+class Killmail extends AbstractKillmailNotification
 {
     use NotificationTools;
 
@@ -45,7 +46,7 @@ class Killmail extends AbstractNotification
     /**
      * Create a new notification instance.
      *
-     * @param \Seat\Eveapi\Models\Killmails\KillmailDetail $killmail
+     * @param  \Seat\Eveapi\Models\Killmails\KillmailDetail  $killmail
      */
     public function __construct(KillmailDetail $killmail)
     {
@@ -56,7 +57,7 @@ public function __construct(KillmailDetail $killmail)
     /**
      * Get the notification's delivery channels.
      *
-     * @param  mixed $notifiable
+     * @param  mixed  $notifiable
      * @return array
      */
     public function via($notifiable)
@@ -68,12 +69,16 @@ public function via($notifiable)
     /**
      * Get the Slack representation of the notification.
      *
-     * @param $notifiable
+     * @param  $notifiable
      * @return SlackMessage
      */
     public function toSlack($notifiable)
     {
 
+        if (! parent::shouldProcessKillmail($notifiable)) {
+            return null;
+        }
+
         $message = (new SlackMessage)
             ->content('A kill has been recorded for your corporation!')
             ->from('SeAT Kilometer', $this->typeIconUrl($this->killmail->victim->ship_type_id))
@@ -100,7 +105,13 @@ public function toSlack($notifiable)
                     ->footerIcon('https://zkillboard.com/img/wreck.png');
             });
 
-        $allied_corporation_ids = CorporationInfo::select('corporation_id')->get()->pluck('corporation_id')->toArray();
+        $allied_corporation_ids = DB::table('corporation_infos')
+            ->join('users', 'corporation_infos.ceo_id', '=', 'users.main_character_id')
+            ->where('users.active', '=',  '1')
+            ->select('corporation_id')
+            ->get()
+            ->pluck('corporation_id')
+            ->toArray();
 
         (in_array($this->killmail->victim->corporation_id, $allied_corporation_ids)) ?
             $message->error() : $message->success();
@@ -111,7 +122,7 @@ public function toSlack($notifiable)
     /**
      * Get the array representation of the notification.
      *
-     * @param  mixed $notifiable
+     * @param  mixed  $notifiable
      * @return array
      */
     public function toArray($notifiable)