[gentoo-user] Re: opensmtp fatal error: socket: address family not supported

[José Romildo Malaquias]

On Thu, Jan 16, 2014 at 08:47:06AM +0100, Gilles Chehade wrote:
> On Wed, Jan 15, 2014 at 10:21:54PM -0200, Jos? Romildo Malaquias wrote:
> > Hello.
> >
> > When trying opensmtpd on my gentoo linux system, I am getting the
> > following error message:
> >
> > # smtpd -vn
> > configuration OK
> >
> > # smtpd -vd
> > debug: init ssl-tree
> > info: OpenSMTPD 201401061555p1 starting
> > debug: bounce warning after 4h
> > debug: using "fs" queue backend
> > debug: using "ramqueue" scheduler backend
> > debug: using "ram" stat backend
> > info: startup [debug mode]
> > mfa: building simple chains...
> > mfa: building complex chains...
> > mfa: done building complex chains
> > mfa: done building default chain
> > debug: queue: done loading queue into scheduler
> > libevent 2.0.21-stable (epoll)
> > debug: parent_send_config_ruleset: reloading
> > debug: parent_send_config_mfa: reloading
> > debug: parent_send_config: configuring smtp
> > debug: mfa ready
> > fatal: smtpd: socket: Address family not supported by protocol
> > warn: lka -> smtp: pipe closed
> > warn: parent -> smtp: imsg_read: Connection reset by peer
> > warn: queue -> smtp: pipe closed
> > fatal: exiting: Connection reset by peer
> > warn: mfa -> smtp: pipe closed
> > warn: control -> smtp: pipe closed
> > warn: mta -> lka: pipe closed
> > warn: mda -> lka: pipe closed
> > warn: scheduler -> queue: pipe closed
> >
> > Any clues on how to fix this?
> >
>
> Hi,
>
> Can you provide ifconfig output + configuration file ?

After some searching, I have found that the problem is related to ipv6,
which is not used in my system. And the file /etc/hosts had a linei

   #::1 localhost

After removing this line from /etc/hosts opensmtpd works as expected.

Romildo