[rabbitmq-discuss] Transactions & Routing

[Jason J. W. Williams]

>> If there's no error, is there no way to tell the difference between in
>> queues and didn't get routed save the mandatory flag?
>
> Correct. And the 'mandatory'/'immediate' flags are highly questionable
> features. If an app depends on them there is probably something wrong in the
> design.

Wow. So the only way to get a solid guarantee that it's been delivered
is to use a reply_to queue?