Re: Mail has quit working

[Stephen John Smoogen <smooge@xxxxxxxxx>]

On Fri, 24 Aug 2018 at 10:36, TE Dukes <tdukes@xxxxxxxxxxxxxxxxxxx> wrote:
>
>
>
> > -----Original Message-----
> > From: CentOS [mailto:centos-bounces@xxxxxxxxxx] On Behalf Of Pete Biggs
> > Sent: Friday, August 24, 2018 10:00 AM
> > To: centos@xxxxxxxxxx
> > Subject: Re:  Mail has quit working
> >
> >
> > > Here's the link for the maillog:
> > >
> > > https://paste.fedoraproject.org/paste/kbH2N9Pc~JPuCqVpE1kszQ
> >
> > OK. There are a couple of things:
> >
> >    Aug 23 21:47:18 ts130 postfix/smtpd[3750]: warning: hostname localhost
> > does not resolve to address 127.0.0.1
> >    Aug 23 21:47:18 ts130 postfix/smtpd[3750]: connect from
> > unknown[127.0.0.1]
> >
> > That needs to be fixed. What does the entry for 127.0.0.1 look like in
> > /etc/hosts? Have you also defined ::1 to be localhost in /etc/hosts?
>
> 127.0.0.1       localhost localhost.localdomain localhost4
> localhost4.localdomain4
> 192.168.1.110   ts130.palmettodomains.com       ts130
> 192.168.1.110 mail.palmettodomains.com mail
>
> # ::1         localhost localhost.localdomain localhost6
> localhost6.localdomain6
> 192.168.1.102   edukes1.palmettodomains.com edukes1
> 192.168.1.105   hp8200.palmettodomains.com hp8200
>
> >
> >
> >    Aug 23 21:47:21 ts130 dovecot: imap-login: Login: user=<tdukes>,
> > method=PLAIN, rip=::1, lip=::1, mpid=3754, secured,
> > session=<9W1yjiR08AAAAAAAAAAAAAAAAAAAAAAB>
> >
> > So you are connecting over TCPv6 from roundcube to dovecot?  Is that
> > what you want?
>
> I have IPV6 disabled (I think).
>

You have it disabled in the configs you have shown.. but roundcube is
configured to expect it to work. You are going to need to figure out
where that is in the dovecot (possibly a

find /etc -type f -print | xargs grep -l "::1"

might give you some ideas unless this is in the database where you
will be needing to play with that. It may be just easier to just turn
on ipv6 and get that working again as that seems to be what 'broke'
mail versus the kernel upgrade. [The kernel reboot probably just
brought to light a 'oh I have ipv6 required somewhere but it is deeply
hidden']

-- 
Stephen J Smoogen.
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