Change hostname

[noobienat0r]

Dear Proxmox team,

how can i change the proxmox mail gateway hostname.
the problem is, my smtpd_banner is showing the $myhostname parameter, which is an internal hostname which cant be reverse resolved by other mailservers.

If i change my smtpd_banner at /etc/postfix/main.cf its getting automaticly overwritten by proxmox after a reboot
If i change the hostname to a fqdn hostname in /etc/hostname and reboot. The whole proxmox front & backend stops working.

Please help

 

[dietmar]

You also changed /etc/hosts? Do you run a cluster or a single node?

 

[dietmar]

If i change my smtpd_banner at /etc/postfix/main.cf its getting automaticly overwritten by proxmox after a reboot

Never change config files directly - instead, copy the configuration template and modify that. As described in the docs ...

 

[noobienat0r]

Hello Dietmar,

i have modified a main.cf.in template. It seems to work now. Thank you