How to get mail to local destinations delivered?

Chris G cl at
Sun Nov 11 11:27:28 UTC 2007

On Sat, Nov 10, 2007 at 04:27:08PM -0500, Tony Nelson wrote:
> At 4:49 PM +0000 11/10/07, Chris G wrote:
> >I have a fairly default Fedora 7 installation, certainly the sendmail
> >is just as it was installed.
> >
> >How do I get sendmail to deliver mail to local destinations?  The
> >system's hostname is and it's connected to the Internet
> >via a router.  I have a CNAME set up at the hosting provider that
> >hosts to point at the static address of my ADSL connection.
> >
> >When I send mail from my system to a local address it gets the
> >hostname added, thus mail gets sent to root at,
> >postmaster at, chris at, etc.  All of this
> >fails because sendmail attempts to connect to the SMTP port of
> >, which isn't possible because my router's firewall
> >doesn't accept connections on port 25.
> >
> >I don't want to open up port 25 and it seems a bit silly anyway to
> >send mail on such a long round trip.  Is there any way I can tell
> >sendmail that is localhost (or  I have an
> >entry for in my /etc/hosts file which is:-
> >
> >     home
> >
> >but obviously sendmail is doing a DNS lookup for which
> >returns the 'external' IP address.
> I think just add the name ("") to /etc/mail/local-host-names.

Yes, I just found that file (by reading and I have added to it, it doesn't work, I have restarted sendmail.

Chris Green

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