Subject: Re: mail routing on firewall
To: None <netbsd-help@netbsd.org>
From: Berndt Josef Wulf <wulf@ping.net.au>
List: netbsd-help
Date: 01/22/2000 11:38:33
G'day Rex,

many thanks for your help. This was the key to get me unstuck
resulting in another BSD box to come online... :-)

cheerio Berndt

Rex McMaster wrote
> I have sites with similar layout, using sendmail's LUSER_RELAY.
> 
> The mc entry is;
> 
>         define(`LUSER_RELAY',mail.domain1)dnl
> 
>   - External users (domain2) are aliased, so miss the relay.
>   - Local accounts also miss the relay.
>   - The rest are relayed to the internal mailserver.
> 
> Ref: /usr/share/sendmail/README
> 
>   LUSER_RELAY     The site that will handle lusers -- that is, apparently
>                   local names that aren't local accounts or aliases.
> 
> -- 
> Rex McMaster                       rex@mcmaster.wattle.id.au
>                      http://www.compsoft.com.au/~rmcm/pgp-pk
> 
> Berndt Josef Wulf writes:
>  > G'day,
>  > 
>  > is there a FAQ/Document on setting up mail distribution on a firewall?
>  > 
>  > The situation is the following:
>  > 
>  > Currently, the firewall in use is Borderware which is nolonger
>  > supported and will be replaced by NetBSD. There are geographically
>  > seperated user groups for which email will arrive at the firewall.
>  > 
>  > External users are listed in the /etc/alias list of the firewall and
>  > their email is redirected to the appropriate accounts. For all other
>  > users, email is redirected to the internal mailserver, Groupwise 5.2.
>  > 
>  > The aim is to redirect email for external users at the firewall and
>  > not from the internal mailserver. 
>  > 
>  > 
>  >   user-ext@domain1|
>  >                   |--- internet ---> [fw.domain1] ---+
>  >   user-int@domain1|                      |           | 
>  >                                          |           |
>  >                                          |           |
>  >   user-ext@domain2 <-- internet ---------+           |
>  >                                                      |
>  >                                                      v
>  >                                               [mail.domain1]
>  > 
>  > 
>  > Is anyone using a similar setup? Suggestions? Pointers?


-- 
Name    : Berndt Josef Wulf            | +++ With BSD on Packet Radio +++
E-Mail  : wulf@ping.net.au             |    tfkiss, tnt, dpbox, wampes
ICQ     : 18196098                     |  VK5ABN, Nairne, South Australia 
URL     : http://www.ping.net.au/~wulf | MBOX : vk5abn@vk5abn.#lmr.#sa.au.oc
Sysinfo : DEC AXPpci33+, NetBSD-1.4    | BBS  : vk5abn.#lmr.#sa.aus.oc