Hello how are u, im having a little problem. i use the webmin to install automatly postfix, in the other server works, but in this now says.
Error while checking current Postfix configuration. Please manually fix Postfix configuration.
postfix: fatal: file /etc/postfix/main.cf: parameter mail_owner: unknown user name value: postfix
Manually edit the Postfix configuration file.https://mercadeoeficaz-cr.com:10000/postfix/edit_manual.cgi
i dont know what to do, can u help me please