Fix missing AsyncEmailMessageHandler service + graylog config

Author: tatevikg1

config/config_prod.yml

@@ -7,8 +7,8 @@ monolog:
         graylog:
             type: gelf
             publisher:
-                hostname: '%app.config.graylog_host%'
-                port: '%app.config.graylog_port%'
+                hostname: '%graylog_host%'
+                port: '%graylog_port%'
             level: error
         # Local file logging as backup
         main:

config/services/messenger.yml

@@ -10,3 +10,8 @@ services:
         tags: [ 'messenger.message_handler' ]
         arguments:
             $confirmationUrl: '%app.confirmation_url%'
+
+    PhpList\Core\Domain\Messaging\MessageHandler\AsyncEmailMessageHandler:
+        autowire: true
+        autoconfigure: true
+        tags: [ 'messenger.message_handler' ]