Please check your configuration:
Running newaliases newaliases: warning: valid_hostname: numeric hostname: 2.0 newaliases: fatal: file /etc/postfix/main.cf: parameter mydomain: bad parameter value: 2.0 dpkg: error processing postfix (--configure): subprocess installed post-installation script returned error exit status 75 dpkg: dependency problems prevent configuration of bsd-mailx:
Please check your configuration:
Running newaliases main.cf: parameter mydomain: bad parameter value: 2.0
newaliases: warning: valid_hostname: numeric hostname: 2.0
newaliases: fatal: file /etc/postfix/
dpkg: error processing postfix (--configure):
subprocess installed post-installation script returned error exit status 75
dpkg: dependency problems prevent configuration of bsd-mailx: