On Mon, Mar 11, 2013 at 12:20:45PM +0300, Mihamina Rakotomandimby wrote:
> Hi all,
>
> I had a big problem I did not figured out.
> It is solved, but I have questions about the matter.
>
> It's about Exim 4.72/CentOS 6.
>
>
> Connecting to Exim via "localhost" is denies relay
> Connecting to Exim via 127.0.0.1 accepts the relay
> "localhost" is in the local_domains domainlists
> "localhost" is resolving to 127.0.0.1 in /etc/hosts
Because it will be connecting on the IPv6 address ::1 - which is also localhost.
Look in /etc/hosts and you will see:
127.0.0.1 localhost localhost.localdomain localhost4
localhost4.localdomain4
::1 localhost localhost.localdomain localhost6
localhost6.localdomain6
There is a bug in the centos default exim config file, the line:
hostlist relay_from_hosts = 127.0.0.1
should read:
hostlist relay_from_hosts = localhost
I have had a friend also fall into this hole. I will raise this with redhat and
get it fixed.
Regards
--
Alain Williams
Linux/GNU Consultant - Mail systems, Web sites, Networking, Programmer, IT
Lecturer.
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