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On 9/3/2011 11:22 AM, Patrick Lists wrote:
> Hi all,
> 
> On a CentOS 6 box with postfix-2.6.6-2.1.el6_0 I'm trying to
> setup a virtual_mailbox_domain that is fed into Zarafa (the
> Open Source Exchange replacement). I can't seem to get past the
> helo_access and relay denied errors. So clearly I am doing
> something wrong but the postfix book and online docs have not
> been able to enlighten me. Could anyone please give me a hint
> where I need to look?
> 
> Example helo_access error:
> 
> Sep  3 18:17:51 cronos postfix/smtpd[4962]: connect from
> localhost[::1] Sep  3 18:17:51 cronos postfix/smtpd[4962]:
> NOQUEUE: reject: RCPT from localhost[::1]: 554 5.7.1
> <cronos.puzzled.xs4all.nl>: Helo command rejected: You are not
> puzzled.xs4all.nl (helo_access); from=<patr...@mailguard.nl>
> to=<patr...@gmail.com> proto=ESMTP 
> helo=<cronos.puzzled.xs4all.nl> Sep  3 18:17:51 cronos
> postfix/smtpd[4962]: disconnect from localhost[::1]
> 
> Example relay_denied error:
> 
> Sep  3 17:53:11 cronos postfix/smtpd[4309]: connect from
> localhost[::1] Sep  3 17:53:11 cronos postfix/smtpd[4309]:
> NOQUEUE: reject: RCPT from localhost[::1]: 554 5.7.1
> <patr...@gmail.com>: Relay access denied;
> from=<patr...@mailguard.nl> to=<patr...@gmail.com> proto=ESMTP
> helo=<cronos.puzzled.xs4all.nl> Sep  3 17:53:11 cronos
> postfix/smtpd[4309]: disconnect from localhost[::1]
> 

Both the connections above are reported as from [::1] ip6 localhost.

> ****************************************************** $
> postconf -n
...

> mynetworks = 127.0.0.0/8, 10.0.0.0/24, 10.0.1.0/24

Oops, mynetworks contains only ip4 addresses.

Solution is to either disable ip6:
inet_protocols = ipv4
or add ip6 localhost to mynetworks:
mynetworks = [::1]/128 127.0.0.0/8, 10.0.0.0/24, 10.0.1.0/24


  -- Noel Jones
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