Upgrade to Laravel 5.8 and AdminLTE3

config/mail.php

@@ -12,7 +12,7 @@ return [
     | your application here. By default, Laravel is setup for SMTP mail.
     |
     | Supported: "smtp", "sendmail", "mailgun", "mandrill", "ses",
-    |            "sparkpost", "log", "array"
+    |            "sparkpost", "postmark", "log", "array"
     |
     */
 
@@ -120,4 +120,17 @@ return [
         ],
     ],
 
+    /*
+    |--------------------------------------------------------------------------
+    | Log Channel
+    |--------------------------------------------------------------------------
+    |
+    | If you are using the "log" driver, you may specify the logging channel
+    | if you prefer to keep mail messages separate from other log entries
+    | for simpler reading. Otherwise, the default channel will be used.
+    |
+    */
+
+    'log_channel' => env('MAIL_LOG_CHANNEL'),
+
 ];