Sendmail relaying for Intranet?

Chris Maness chris at
Wed Feb 13 05:30:42 UTC 2013

On Tue, Feb 12, 2013 at 3:05 PM, Robison, Dave
<david.robison at> wrote:
> On 02/12/2013 12:54, Chris Maness wrote:
>> I have a FreeBSD box running sendmail that can see the whole internet.
>>  I have another mail server that hosts mail for an intranet.  It does
>> not have access to the i-net.  I think I remember reading that it is
>> possible for the i-net attached sendmail to relay mail for a domain to
>> another host.  Is there an easy answer and configuration for this?  If
>> not, no biggy since this exercise is more academic than a necessity.
>> Thanks,
>> Chris Maness
>> _______________________________________________
>> freebsd-questions at mailing list
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> in on the host to be your relay, check for "DS" and use it
> like this:
> DS
> in on the hosts which will be relaying, use the DS command
> but point them to your new relay host.
> hope this helps.
> Dave

Dave, how would I add this to the MC file instead of the CF file?  I
usually rebuild these after an upgrade or a configuration change, and
I would rather do it in the MC file for that reason.

Chris Maness

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