fix: fixes issue with SMTP sender with address endpoints

app/lib/message_dequeuer/incoming_message_processor.rb

@@ -167,7 +167,7 @@ module MessageDequeuer
       when HTTPEndpoint
         sender = @state.sender_for(HTTPSender, queued_message.message.endpoint)
       when AddressEndpoint
-        sender = @state.sender_for(SMTPSender, queued_message.message.endpoint.domain, nil, force_rcpt_to: queued_message.message.endpoint.address)
+        sender = @state.sender_for(SMTPSender, queued_message.message.endpoint.domain, nil, rcpt_to: queued_message.message.endpoint.address)
       else
         log "invalid endpoint for route (#{queued_message.message.endpoint_type})"
         create_delivery "HardFail", details: "Invalid endpoint for route."

app/lib/message_dequeuer/state.rb

@@ -5,10 +5,10 @@ module MessageDequeuer
 
     attr_accessor :send_result
 
-    def sender_for(klass, *args)
+    def sender_for(klass, *args, **kwargs)
       @cached_senders ||= {}
-      @cached_senders[[klass, args]] ||= begin
-        klass_instance = klass.new(*args)
+      @cached_senders[[klass, args, kwargs]] ||= begin
+        klass_instance = klass.new(*args, **kwargs)
         klass_instance.start
         klass_instance
       end