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SubjectRe: [2.6.25-rc5-mm1] regression: cannot run Postfix sendmail command as non-root
I also tried to reproduce your problem with Postfix (on a Debian
distro) but failed to
obtain the error message.

While googling for the error string, I found this link which report
the same kind of
error when Postfix is used with grsecurity (in 2006):

http://blog.jensthebrain.de/archives/2006/12/11/IPv6-Probleme-mit-Postfix-und-grsecurity

I barely understand German so I'm not sure it is related to your problem.

Benjamin


On Mon, Mar 17, 2008 at 11:44 AM, Daniel Lezcano <dlezcano@fr.ibm.com> wrote:
> Tilman Schmidt wrote:
> > Am 13.03.2008 23:21 schrieb Daniel Lezcano:
> >> Tilman Schmidt wrote:
> >
> >>> ts@xenon:~/kernel> /usr/sbin/sendmail -t < patch-usb-reduce-syslog-clutter-v3
> >>> postdrop: warning: can't open /proc/net/if_inet6 (Permission denied) - skipping IPv6 configuration
> >>> postdrop: fatal: parameter inet_interfaces: no local interface found for ::1
> >>> sendmail: warning: command "/usr/sbin/postdrop -r" exited with status 1
> >>> sendmail: fatal: ts(1000): unable to execute /usr/sbin/postdrop -r: Success
> >>> ts@xenon:~/kernel>
> >>>
> >>> and unsurprisingly, the mail is not sent. If I do the same as root,
> >>> everything works as usual, there is no console output from the
> >>> sendmail command, and the mail goes out as it should. All other
> >>> networking applications appear to be running normally.
> >
> >> Is it possible to have your config file used to compile the kernel ?
> >
> > Sure. You can find it at
> > http://gollum.phnxsoft.com/~ts/linux/config-2.6.25-rc5-mm1
>
> Thanks,
>
> I was not able to reproduce it, but I think I didn't configured postfix
> as I should had. What version do you use ?
> If I may ask you, can you put your postfix configuration file and a
> strace -f of your failing command ? on your website, that will help me a
> lot to investigate.
>
> -- Daniel
>
>
> --
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