According to the log file:
newaliases: fatal: file /etc/postfix/main.cf: parameter myhostname: bad parameter value: ubuntvqclts.hsd1.ct.comcast.net.
I'd suggest to fix your hostname or edit myhostname option.
According to the log file:
newaliases: fatal: file /etc/postfix/ main.cf: parameter myhostname: bad parameter value: ubuntvqclts. hsd1.ct. comcast. net.
I'd suggest to fix your hostname or edit myhostname option.