Paul Cocker wrote:
Under the existing setup the postfix (secondary MX) doesn't deliver mail
internally, it passes it on to the Barracuda. The idea being that should
the Barracuda fail we can allow temporary internal delivery from this
server but for 99% of the time manage all mail via a single in
Having had my awareness of backscatter increased by this list (thanks
everyone) I'm looking to improve the behaviour of our mail servers (and
we've already taken a number of steps). Unfortunately I think our setup
makes this pretty impossible without using a fairly unwieldy setup, but
ideas welcome
