Postfix dont't start

Support
1

What type of hardware are you using: Old laptop or computer
What YunoHost version are you running: 12.0.11
How are you able to access your server: SSH
Are you in a special context or did you perform specific tweaking on your YunoHost instance ?: no

Describe your issue

Today, after restart my Yunohost Server, postfix process don’t start. I can’t send any mails. If I start the postfix process, this is the error message from logs:

Share relevant logs or error messages

Feb 12 14:35:46 systemd[1]: Starting postfix@-.service - Postfix Mail Transport Agent (instance -)…
Feb 12 14:36:00 configure-instance.sh[30531]: cp: Fehler beim Kopieren von ‘/etc/services’ nach ‘etc/services’: Eingabe-/Ausgabefehler
Feb 12 14:36:00 systemd[1]: postfix@-.service: Control process exited, code=exited, status=1/FAILURE
Feb 12 14:36:00 systemd[1]: postfix@-.service: Failed with result ‘exit-code’.
Feb 12 14:36:00 systemd[1]: Failed to start postfix@-.service - Postfix Mail Transport Agent (instance -).

2

check : systemd - Postfix causes issues when its service is enabled using systemctl and doesn't launch on boot - Server Fault

3

Sorry, I can’t find a way to fix this problem. If I start manually on console postfix with “postfix start”, the proccess in yunohost look like fails but I can send/receive mails. This is the output:

postfix start
postfix: Postfix is using backwards-compatible default settings
postfix: See Postfix Backwards-Compatibility Safety Net for details
postfix: To disable backwards compatibility use “postconf compatibility_level=3.6” and “postfix reload”
postfix/postfix-script: warning: not owned by root: /etc/postfix/.
postfix/postfix-script: warning: not owned by root: /etc/postfix/./app_senders_login_maps.db
postfix/postfix-script: warning: not owned by root: /etc/postfix/./app_senders_login_maps
postfix/postfix-script: warning: not owned by root: /etc/postfix/./relay_recipients
postfix/postfix-script: warning: not owned by root: /etc/postfix/./relay_recipients.db
postfix/postfix-script: warning: /var/spool/postfix/etc/services and /etc/services differ
postfix/postfix-script: warning: /var/spool/postfix/etc/resolv.conf and /etc/resolv.conf differ
postfix/postfix-script: starting the Postfix mail system
root@stephan-pfeifhofer:/home/littlebuddha# systemctl status postfix
● postfix.service - Postfix Mail Transport Agent
Loaded: loaded (/lib/systemd/system/postfix.service; enabled; preset: enabled)
Active: active (exited) since Wed 2025-02-12 15:50:54 CET; 10min ago
Docs: man:postfix(1)
Process: 1067 ExecStart=/bin/true (code=exited, status=0/SUCCESS)
Main PID: 1067 (code=exited, status=0/SUCCESS)
CPU: 1ms

4

I have a similar error message, but postfix is running…
I have something like

 Postfix is using backwards-compatible default settings
Jan 12 16:02:20 domain postfix[2955459]: See http://www.postfix.org/COMPATIBILITY_README.html for details
Jan 12 16:02:20 domain postfix[2955459]: To disable backwards compatibility use "postconf compatibility_level=3.6" and "postfix reload"
Jan 12 16:02:20 domain postfix/postfix-script[2955512]: warning: not owned by root: /etc/postfix/.
Jan 12 16:02:20 domain postfix/postfix-script[2955513]: warning: not owned by root: /etc/postfix/./app_senders_login_maps.db
Jan 12 16:02:20 domain postfix/postfix-script[2955514]: warning: not owned by root: /etc/postfix/./app_senders_login_maps

and in the file app_senders_login_maps I haven’t the users for apps !

5

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