On Mon, Jan 27, 2014 at 02:30:24PM -0800, Quanah Gibson-Mount wrote:
> >I agree that we hold off on new mechanisms until a need exists.
> >Equal-preference A records should solve 90% of the problem. By not
> >solving the remaining 10% at great effort, we can spend the limited
> >development cycles more wisely.
>
> Thanks! I'll propose Round Robin DNS or load balancers as the
> solution then. Overall, it would be most effective (for Zimbra) to
> have it prefer the user's "home" mailstore and then fall back if
> that wasn't available, but that would be tricky to implement
> anywhere in the stack (but more closely aligns with LDAP URLs).
Actually, that is not too difficult. Just specify a round-robin
name as the "lmtp_fallback_relay" (new feature). While adding SRV
support is tricky, adding "lmtp_fallback_relay" is I think quite
simple.
--
Viktor.