Re: [Devil-Linux-discuss] Postfix

[James K. <jke...@gm...>]

Thank you very much. This all seems clear, however I am receiving errors
when attempting to SEND email now using postfix. I was wondering if maybe
you could give a quick overview of how so that I can check my settings? I
appreciate any help.

On Fri, Feb 5, 2010 at 3:30 AM, Markus Winkler <ml...@ir...> wrote:

> On 04.02.2010 23:08 James Kessler wrote:
> >
> > Postfix to send outgoing emailing messages, however I wish to disable
> > the ability to receive messages. So in essence I would like to enable
> > outgoing and disable incoming messaging. After reading the config file I
> > am a little confused with how to disable incoming messages.
>
> As Gordon wrote you can block incoming traffic to port 25 via netfilter
> or an external firewall. That's one possible solution.
>
> But also with Postfix itself this is no problem. Postfix only accepts
> incoming mail for domains which are listed in either (parameters in
> main.cf):
>
> - mydestination
> - relay_domains
> - virtual_alias_domains
>
> If there are no domains and/or hostnames listed, then Postfix will
> reject all incoming e-mails. You can verify the current effective
> settings via 'postconf -n'.
>
> It depends on your environment which is the better solution for you.
>
> Regards,
> Markus
>
>
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James E. Kessler
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