Breezy borked postfix (seriously!)

[ulrich steffens]

Am Donnerstag, den 22.12.2005, 15:39 +1100 schrieb David:
> On Thu, Dec 22, 2005 at 03:11:19PM +1100, Peter Lieverdink wrote:
> > David wrote:
> > > Hoary/postfix worked great for local mail delivery. After upgrade to 
> > > Breezy, postfix seems to have got reconfigured (not removed) so that it 
> > > silently queues all email. 
> > > 
> > > /var/log/mail.err says:
> > > Dec 22 13:41:50 localhost postfix/master[15812]: fatal: 
> > > /etc/postfix/master.cf: line 84: bad hostname or network address: ::1:smtp
> > > 
> > > /etc/postfix/master.cf says:
> > > 127.0.0.1:smtp inet n   -       -       -       -       smtpd
> > > ::1:smtp       inet n   -       -       -       -       smtpd
> > > 
> > > /etc/postfix/main.cf says:
> > > mynetworks = 127.0.0.0/8
> > > myhostname = test.kenpro.com.au
> > > 
> > > david at test:~ $ cat /etc/hostname
> > > test
> > > david at test:~ $ cat /etc/resolv.conf
> > > search kenpro.com.au
> > > 
> > > I have no idea where the line 
> > > ::1:smtp       inet n   -       -       -       -       smtpd
> > > in master.cf comes from, but by commenting it out and restarting postfix, 
> > > all my queued mail was instantly delivered, so that must be the culprit.
> > > 
> > > Can anyone suggest what I've done wrong?
> > 
> > You disabled ipv6 support :-)
> > 
> > ::1 is 'localhost' in ipv6 format. Do you have an entry like:
> > 
> > "::1     ip6-localhost ip6-loopback"
> > 
> > in /etc/hosts?
> > 
> > By not loading the ipv6 module, postfix can't listen on that address,
> > and thus fails. Commenting it out like you say you did is a safe solution.
> ___________________________________
> david at test:~ $ cat /etc/hosts
> <snip>
> # The following lines are desirable for IPv6 capable hosts
> # (added automatically by netbase upgrade)
> 
> ::1     ip6-localhost ip6-loopback
> fe00::0 ip6-localnet
> ff00::0 ip6-mcastprefix
> ff02::1 ip6-allnodes
> ff02::2 ip6-allrouters
> ff02::3 ip6-allhosts
> __________________________________
> 
> I'm curious how this would have come about. I'm happy to leave ipv6 
> disabled but does this constitute a bug? given that all I did was 
> hoary->breezy upgrade.
> 
> What causes the ipv6 module to be loaded?
> 
> Thanks for your answer.
> 
> David.
> 
does '/etc/modprobe.d/aliases' contain a line like
	alias net-pf-10 ipv6
or does it say
	alias net-pf-10 off

?

ulrich

-- 
ulrich steffens
ulrich at barfuss-jerusalem.org
http://www.barfuss-jerusalem.org