diff --git a/app/Http/Controllers/BrevoController.php b/app/Http/Controllers/BrevoController.php
index 53dbe9bceaf1..d462f06683c0 100644
--- a/app/Http/Controllers/BrevoController.php
+++ b/app/Http/Controllers/BrevoController.php
@@ -194,14 +194,14 @@ class BrevoController extends BaseController
             return response()->json(['message' => 'Unauthorized'], 403);
 
         if (!array_key_exists('items', $input)) {
-            Log::info('Failed: Message could not be parsed, because required parameters are missing.');
+            nlog('Failed: Message could not be parsed, because required parameters are missing.');
             return response()->json(['message' => 'Failed. Invalid Parameters.'], 400);
         }
 
         foreach ($input["items"] as $item) {
 
             if (!array_key_exists('Recipients', $item) || !array_key_exists('MessageId', $item)) {
-                Log::info('Failed: Message could not be parsed, because required parameters are missing. At least one item was invalid.');
+                nlog('Failed: Message could not be parsed, because required parameters are missing. At least one item was invalid.');
                 return response()->json(['message' => 'Failed. Invalid Parameters. At least one item was invalid.'], 400);
             }
 
diff --git a/app/Http/Controllers/MailgunController.php b/app/Http/Controllers/MailgunController.php
index 8413185db528..d8cae5c6b7e7 100644
--- a/app/Http/Controllers/MailgunController.php
+++ b/app/Http/Controllers/MailgunController.php
@@ -120,7 +120,7 @@ class MailgunController extends BaseController
         $input = $request->all();
 
         if (!array_key_exists('sender', $input) || !array_key_exists('recipient', $input) || !array_key_exists('message-url', $input)) {
-            Log::info('Failed: Message could not be parsed, because required parameters are missing. Please ensure contacting this api-endpoint with a store & notify operation instead of a forward operation!');
+            nlog('Failed: Message could not be parsed, because required parameters are missing. Please ensure contacting this api-endpoint with a store & notify operation instead of a forward operation!');
             return response()->json(['message' => 'Failed. Missing Parameters. Use store and notify!'], 400);
         }
 
diff --git a/app/Http/Controllers/PostMarkController.php b/app/Http/Controllers/PostMarkController.php
index 88272a445e7d..7e4b967c1b7e 100644
--- a/app/Http/Controllers/PostMarkController.php
+++ b/app/Http/Controllers/PostMarkController.php
@@ -280,7 +280,7 @@ class PostMarkController extends BaseController
             return response()->json(['message' => 'Unauthorized'], 403);
 
         if (!(array_key_exists("MessageStream", $input) && $input["MessageStream"] == "inbound") || !array_key_exists("To", $input) || !array_key_exists("From", $input) || !array_key_exists("MessageID", $input)) {
-            Log::info('Failed: Message could not be parsed, because required parameters are missing.');
+            nlog('Failed: Message could not be parsed, because required parameters are missing.');
             return response()->json(['message' => 'Failed. Missing/Invalid Parameters.'], 400);
         }
 
@@ -292,7 +292,7 @@ class PostMarkController extends BaseController
 
         $company = MultiDB::findAndSetDbByExpenseMailbox($input["To"]);
         if (!$company) {
-            Log::info('[PostmarkInboundWebhook] unknown Expense Mailbox occured while handling an inbound email from mailgun: ' . $input["To"]);
+            nlog('[PostmarkInboundWebhook] unknown Expense Mailbox occured while handling an inbound email from mailgun: ' . $input["To"]);
             $inboundEngine->saveMeta($input["From"], $input["To"], true); // important to save this, to protect from spam
             return;
         }
diff --git a/app/Jobs/Brevo/ProcessBrevoInboundWebhook.php b/app/Jobs/Brevo/ProcessBrevoInboundWebhook.php
index 864b0bdb9af8..4adbd567f6ed 100644
--- a/app/Jobs/Brevo/ProcessBrevoInboundWebhook.php
+++ b/app/Jobs/Brevo/ProcessBrevoInboundWebhook.php
@@ -135,7 +135,7 @@ class ProcessBrevoInboundWebhook implements ShouldQueue
             // match company
             $company = MultiDB::findAndSetDbByExpenseMailbox($recipient);
             if (!$company) {
-                Log::info('[ProcessBrevoInboundWebhook] unknown Expense Mailbox occured while handling an inbound email from brevo: ' . $recipient);
+                nlog('[ProcessBrevoInboundWebhook] unknown Expense Mailbox occured while handling an inbound email from brevo: ' . $recipient);
                 continue;
             }
 
@@ -171,7 +171,7 @@ class ProcessBrevoInboundWebhook implements ShouldQueue
 
                         } catch (\Error $e) {
                             if (config('services.brevo.secret')) {
-                                Log::info("[ProcessBrevoInboundWebhook] Error while downloading with company credentials, we try to use default credentials now...");
+                                nlog("[ProcessBrevoInboundWebhook] Error while downloading with company credentials, we try to use default credentials now...");
 
                                 $brevo = new InboundParsingApi(null, Configuration::getDefaultConfiguration()->setApiKey("api-key", config('services.brevo.secret')));
                                 $attachment = $brevo->getInboundEmailAttachment($attachment["DownloadToken"]);
diff --git a/app/Jobs/Mailgun/ProcessMailgunInboundWebhook.php b/app/Jobs/Mailgun/ProcessMailgunInboundWebhook.php
index 1bf6caeb44dc..b11078047124 100644
--- a/app/Jobs/Mailgun/ProcessMailgunInboundWebhook.php
+++ b/app/Jobs/Mailgun/ProcessMailgunInboundWebhook.php
@@ -180,7 +180,7 @@ class ProcessMailgunInboundWebhook implements ShouldQueue
         // match company
         $company = MultiDB::findAndSetDbByExpenseMailbox($to);
         if (!$company) {
-            Log::info('[ProcessMailgunInboundWebhook] unknown Expense Mailbox occured while handling an inbound email from mailgun: ' . $to);
+            nlog('[ProcessMailgunInboundWebhook] unknown Expense Mailbox occured while handling an inbound email from mailgun: ' . $to);
             $this->engine->saveMeta($from, $to, true); // important to save this, to protect from spam
             return;
         }
@@ -205,7 +205,7 @@ class ProcessMailgunInboundWebhook implements ShouldQueue
                     $mail = json_decode(file_get_contents($messageUrl));
                 } catch (\Error $e) {
                     if (config('services.mailgun.secret')) {
-                        Log::info("[ProcessMailgunInboundWebhook] Error while downloading with company credentials, we try to use default credentials now...");
+                        nlog("[ProcessMailgunInboundWebhook] Error while downloading with company credentials, we try to use default credentials now...");
 
                         $credentials = config('services.mailgun.domain') . ":" . config('services.mailgun.secret') . "@";
                         $messageUrl = explode("|", $this->input)[2];
@@ -253,7 +253,7 @@ class ProcessMailgunInboundWebhook implements ShouldQueue
 
                     } catch (\Error $e) {
                         if (config('services.mailgun.secret')) {
-                            Log::info("[ProcessMailgunInboundWebhook] Error while downloading with company credentials, we try to use default credentials now...");
+                            nlog("[ProcessMailgunInboundWebhook] Error while downloading with company credentials, we try to use default credentials now...");
 
                             $credentials = config('services.mailgun.domain') . ":" . config('services.mailgun.secret') . "@";
                             $url = $attachment->url;
diff --git a/app/Services/InboundMail/InboundMailEngine.php b/app/Services/InboundMail/InboundMailEngine.php
index 5880c9ee5bfa..057ed43d1ac0 100644
--- a/app/Services/InboundMail/InboundMailEngine.php
+++ b/app/Services/InboundMail/InboundMailEngine.php
@@ -69,11 +69,11 @@ class InboundMailEngine
     {
         // invalid email
         if (!filter_var($from, FILTER_VALIDATE_EMAIL)) {
-            Log::info('E-Mail blocked, because from e-mail has the wrong format: ' . $from);
+            nlog('E-Mail blocked, because from e-mail has the wrong format: ' . $from);
             return true;
         }
         if (!filter_var($to, FILTER_VALIDATE_EMAIL)) {
-            Log::info('E-Mail blocked, because to e-mail has the wrong format: ' . $from);
+            nlog('E-Mail blocked, because to e-mail has the wrong format: ' . $from);
             return true;
         }
 
@@ -85,14 +85,14 @@ class InboundMailEngine
             return false;
         }
         if (in_array($domain, $this->globalBlacklistDomains)) {
-            Log::info('E-Mail blocked, because the domain was found on globalBlocklistDomains: ' . $from);
+            nlog('E-Mail blocked, because the domain was found on globalBlocklistDomains: ' . $from);
             return true;
         }
         if (in_array($domain, $this->globalWhitelistSenders)) {
             return false;
         }
         if (in_array($from, $this->globalBlacklistSenders)) {
-            Log::info('E-Mail blocked, because the email was found on globalBlocklistEmails: ' . $from);
+            nlog('E-Mail blocked, because the email was found on globalBlocklistEmails: ' . $from);
             return true;
         }
 
@@ -103,13 +103,13 @@ class InboundMailEngine
         // sender occured in more than 500 emails in the last 12 hours
         $senderMailCountTotal = Cache::get('inboundMailCountSender:' . $from, 0);
         if ($senderMailCountTotal >= 5000) {
-            Log::info('E-Mail blocked permanent, because the sender sended more than ' . $senderMailCountTotal . ' emails in the last 12 hours: ' . $from);
+            nlog('E-Mail blocked permanent, because the sender sended more than ' . $senderMailCountTotal . ' emails in the last 12 hours: ' . $from);
             $this->blockSender($from);
             $this->saveMeta($from, $to);
             return true;
         }
         if ($senderMailCountTotal >= 1000) {
-            Log::info('E-Mail blocked, because the sender sended more than ' . $senderMailCountTotal . ' emails in the last 12 hours: ' . $from);
+            nlog('E-Mail blocked, because the sender sended more than ' . $senderMailCountTotal . ' emails in the last 12 hours: ' . $from);
             $this->saveMeta($from, $to);
             return true;
         }
@@ -117,7 +117,7 @@ class InboundMailEngine
         // sender sended more than 50 emails to the wrong mailbox in the last 6 hours
         $senderMailCountUnknownRecipent = Cache::get('inboundMailCountSenderUnknownRecipent:' . $from, 0);
         if ($senderMailCountUnknownRecipent >= 50) {
-            Log::info('E-Mail blocked, because the sender sended more than ' . $senderMailCountUnknownRecipent . ' emails to the wrong mailbox in the last 6 hours: ' . $from);
+            nlog('E-Mail blocked, because the sender sended more than ' . $senderMailCountUnknownRecipent . ' emails to the wrong mailbox in the last 6 hours: ' . $from);
             $this->saveMeta($from, $to);
             return true;
         }
@@ -125,7 +125,7 @@ class InboundMailEngine
         // wrong recipent occurs in more than 100 emails in the last 12 hours, so the processing is blocked
         $mailCountUnknownRecipent = Cache::get('inboundMailCountUnknownRecipent:' . $to, 0); // @turbo124 maybe use many to save resources in case of spam with multiple to addresses each time
         if ($mailCountUnknownRecipent >= 200) {
-            Log::info('E-Mail blocked, because anyone sended more than ' . $mailCountUnknownRecipent . ' emails to the wrong mailbox in the last 12 hours. Current sender was blocked as well: ' . $from);
+            nlog('E-Mail blocked, because anyone sended more than ' . $mailCountUnknownRecipent . ' emails to the wrong mailbox in the last 12 hours. Current sender was blocked as well: ' . $from);
             $this->blockSender($from);
             $this->saveMeta($from, $to);
             return true;
@@ -263,7 +263,7 @@ class InboundMailEngine
     }
     private function logBlocked(Company $company, string $data)
     {
-        Log::info("[InboundMailEngine][company:" . $company->id . "] " . $data);
+        nlog("[InboundMailEngine][company:" . $company->id . "] " . $data);
 
         (
             new SystemLogger(