On 17.05.20 22:51, Geoff Jankowski wrote:
I am using postfix 3.4.8 on Debian 10 (hostname xerxes) and am trying to
set up my IPv6 interface on eth0. The last instruction in the guide is to
run:
service networking restart
But it fails to bring up the interface (which is working on IPv4). It tries to
run:
ExecStart=/sbin/ifup -a --read-environment (code=exited, status=1/FAILURE)
And the critical errors given are:
May 17 23:15:45 xerxes ifup[5524]: ifup: failed to bring up eth0
May 17 23:15:45 xerxes ifup[5524]: postconf: warning: /etc/postfix/master.cf:
undefined parameter: mua_sender_restrictions
May 17 23:15:45 xerxes ifup[5524]: postconf: warning: /etc/postfix/master.cf:
undefined parameter: mua_client_restrictions
May 17 23:15:45 xerxes ifup[5524]: postconf: warning: /etc/postfix/master.cf:
undefined parameter: mua_helo_restrictions
Reading /etc/network/Ifup it refers to using postconf which for Debian 10 is in
/etc/sbin/ but it cannot be read as it appears to be a binary file(?).
postconf is the program that complains, you don't have to see its content.
It's complaining about content of /etc/postfix/master.cf, not
/usr/sbin/postconf
When I investigate my master.cf file these three elements
mua_sender_restrictions, mua_client_restrictions and mua_helo_restrictions
Are commented out so no definition is given and I assume that postconf is
looking for them. Reading the postfix.org site I chose recommended
settings for each of these items, uncommented the lines and inserted them.
To be safe, I rebooted.
They are default in master.cf but commented out for submission ans smtps
services:
# -o smtpd_client_restrictions=$mua_client_restrictions
# -o smtpd_helo_restrictions=$mua_helo_restrictions
# -o smtpd_sender_restrictions=$mua_sender_restrictions
I usually leave them commented out.
Immediately after reboot, I ran a status request and the output was as follows:
May 17 23:15:45 xerxes ifup[5524]: ifup: failed to bring up eth0
May 17 23:15:45 xerxes ifup[5524]: postconf: warning: /etc/postfix/master.cf:
undefined parameter: mua_sender_restrictions
May 17 23:15:45 xerxes ifup[5524]: postconf: warning: /etc/postfix/master.cf:
undefined parameter: mua_client_restrictions
May 17 23:15:45 xerxes ifup[5524]: postconf: warning: /etc/postfix/master.cf:
undefined parameter: mua_helo_restrictions
May 17 23:15:45 xerxes ifup[5524]: postconf: warning: /etc/postfix/master.cf:
undefined parameter: mua_sender_restrictions
May 17 23:15:45 xerxes ifup[5524]: postconf: warning: /etc/postfix/master.cf:
undefined parameter: mua_client_restrictions
May 17 23:15:45 xerxes ifup[5524]: postconf: warning: /etc/postfix/master.cf:
undefined parameter: mua_helo_restrictions
How and where did you define them?
--
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