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Justin T Pryzby wrote:
> I wonder if there's any way of using our local recursive server for
> forcing all locally-originating mail to go through a given mail hub.
> I suspect not?


If you're using Postfix, see following description taken from Postfix's
main.cf:

# The relayhost parameter specifies the default host to send mail to
# when no entry is matched in the optional transport(5) table. When
# no relayhost is given, mail is routed directly to the destination.
#
# On an intranet, specify the organizational domain name. If your
# internal DNS uses no MX records, specify the name of the intranet
# gateway host instead.
#
# In the case of SMTP, specify a domain, host, hostort, [host]ort,
# [address] or [address]ort; the form [host] turns off MX lookups.
#
# If you're connected via UUCP, see also the default_transport parameter.
#
#relayhost = $mydomain
#relayhost = [gateway.my.domain]
#relayhost = [mailserver.isp.tld]
#relayhost = uucphost
#relayhost = [an.ip.add.ress]

byunghee
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