Sendmail relaying for Intranet?

Robison, Dave david.robison at
Tue Feb 12 23:05:48 UTC 2013

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
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in on the host to be your relay, check for "DS" and use it
like this:


in on the hosts which will be relaying, use the DS command
but point them to your new relay host.

hope this helps.


Dave Robison
Sales Solution Architect II
FIS Banking Solutions
510/621-2089 (w)
530/518-5194 (c)
510/621-2020 (f)
daver at
david.robison at

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