nginx proxy to dovecot servers

[Rick Romero]

  Quoting KT Walrus <kevin at my.walr.us>:

>> Dovecot supports real IP forwarding with HAproxy.
>
> Yes. I was aware of this, but that doesn’t answer my question of how to
> configure a Dovecot proxy to listen on many IPs/ports and do
> authentication based on the incoming IP/port. If I could do this without
> having to run 50 Dovecot proxies (one for each incoming IP/port), I
> would probably use the HAProxy/Dovecot Proxy solution.
>
>