[svlug] Relay

[Derek J. Balling]

At 12:11 PM -0700 8/30/00, J C Lawrence wrote:
>On Wed, 30 Aug 2000 11:23:05 -0500
>listalinux  <listalinux at ecotelmail.com> wrote:
>
>>  Please, how can I configure sendmail, I don't want to have an open
>>  relay. This is my problem:
>
>Arguably your first mistake or problem is using sendmail.

Arguably that's a very biased statement. :)

>  I
>strongly recommend that you install and use Exim or Postfix instead.
>You'll find configuration of both considerably easier, as well as
>much lighter and faster on your systems.

A debateable point. Lots of people would also point out that other 
MTA's tend to be "non-friendly" when it comes to delivery of mail to 
recipient MTA's. :)   (but that's an MTA argument for a different 
list)

>  > - I installed a mail server (Sendmail 8.9.3-10).  - The server
>>  have to accept mails from all users, but I can't configure
>>  sendmail only for accept relays comming from my LAN, the users
>>  could have any IP or hostname. 
>
>You LAN is going to have an address range or subnet.  You can
>restrict by that ala 10.20.30.0/24.  While I don't know the sendmail
>syntax for this, check the following:
>
>   http://www.harker.com/sendmail/sendmail-ref.html
>
>And if you can find it (it appears to have wandered) Steve Jensen's
>Sendmail page (which has a CGI for genning sendmail configs).

He said they could be coming from ANY ip, which would indicate to me 
its not just a local-LAN issue (its also on-the-road sales-folk, etc.)

What does the CGI offer that using stock m4 options doesn't offer? 
Just curious.

D