On 18 Oct 00, at 10:47, Philip Hazel wrote:
> For a busy host, it pays to have a backup MX standing right next to
> it, for the following reasons:
> (2) Incoming mail accumulates on the backup, which is close, instead
> of waiting on dozens of servers round the world, some of which may be
> at the end of slow or intermittently connected lines. When the primary
> recovers, it can get the accumulated mail quickly.
There are other two reasons, IMHO:
(2a) If you have to do maintenance you could do it at your pace,
keeping some service up and running (for example distribution lists,
and forwardings)
(2b) As soon you have finished the works you can easily force the
backup to force sending immediately.
Leonardo Boselli
nucleo informatico e telematico
Dipartimento Ingegneria Civile
Universita` di Firenze
V. S. Marta 3 - I-50139 Firenze
tel +39()0554796431 fax +39()055495333
http://www.dicea.unifi.it/~leo
