Mua_sender_restrictions, mua_client_restrictions and mua_helo_restrictionsĪre commented out so no definition is given and I assume that postconf is looking for them. When I investigate my master.cf file these three elements 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(?). May 17 23:15:45 xerxes ifup: postconf: warning: /etc/postfix/master.cf: undefined parameter: mua_helo_restrictions May 17 23:15:45 xerxes ifup: postconf: warning: /etc/postfix/master.cf: undefined parameter: mua_client_restrictions May 17 23:15:45 xerxes ifup: postconf: warning: /etc/postfix/master.cf: undefined parameter: mua_sender_restrictions May 17 23:15:45 xerxes ifup: ifup: failed to bring up eth0 *ExecStart=/sbin/ifup -a -read-environment * (code=exited, status=1/FAILURE)Īnd the critical errors given are the ones I have listed above: As I said, these items are all commented out.īut it fails to bring up the interface (which is working on IPv4). etc/network/interfaces.d/xxx.cfg is set for Carson, I do not think the issue is with the postfix config file. Let me know if I need to post more snippets from files. IPv4 continues to work even with this reported problem but my /etc/network/interfaces file is not being amended to allow the IPv6 connection (or if it is, it is not working properly). When I look at /etc/postfix/master.cf file, all of these parameters are commented out and there is no other line calling for them. May 16 08:42:20 xerxes systemd: Failed to start Raise network interfaces. May 16 08:42:20 xerxes systemd: rvice: Failed with result ‘exit-code’. May 16 08:42:20 xerxes systemd: rvice: Main process exited, code=exited, status=1/FAILURE May 16 08:42:20 xerxes ifup: postconf: warning: /etc/postfix/master.cf: undefined parameter: mua_helo_restrictions May 16 08:42:20 xerxes ifup: postconf: warning: /etc/postfix/master.cf: undefined parameter: mua_client_restrictions May 16 08:42:20 xerxes ifup: postconf: warning: /etc/postfix/master.cf: undefined parameter: mua_sender_restrictions May 16 08:42:20 xerxes ifup: ifup: failed to bring up eth0 Main PID: 21154 (code=exited, status=1/FAILURE) Process: 21154 ExecStart=/sbin/ifup -a -read-environment (code=exited, status=1/FAILURE) Loaded: loaded (/lib/systemd/system/rvice enabled vendor preset: enabled)Īctive: failed (Result: exit-code) since Sat 08:42:20 CEST 11s ago See “systemctl status rvice” and “journalctl -xe” for systemctl status rvice Job for rvice failed because the control process exited with error code. I have edited my interfaces.d/xxx.cfg file correctly but when I try to use: I am trying to set up IPv6 on my VPS using the guides for my host (OVH).

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