Mailinglist Archive: opensuse-factory (626 mails)

["Carlos E. R." <robin.listas@xxxxxxxxxxxxxx>]

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The Saturday 2008-03-29 at 09:18 +1300, Volker Kuhlmann wrote:

> Akin to today's topic of disabling network services when not needed, I'd
> like to suggest to also cripple the MTA when full functionality is not
> explicitly needed.
>
> The local MTA should by default be listening on localhost:25 only, and
> not on everything:25.
>
> I also think that the local MTA by default should only accept msgs for
> delivery which are addressed to anyone@localhost, and reject anything
> addressed to the rest of the world. I tried to persuade postfix on 10.2
> to do this and found that it's only possible with a bad cludge. Postfix
> would accept anything (from localhost) and then not be able to deal with
> msgs it wasn't supposed to deliver (or soemthing like that). Most email
> clients work directly with the ISP's (or LAN's) relay host, so a
> fill-fledged local MTA is not needed. At least Debian has done default
> installs like this for some time now (with exim though).

I believe some mail clients expect a functional local mta. Pine, for 
instance.

- -- 
Cheers,
       Carlos E. R.
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