Multiple issues/questions

[joximu]

1)
unknown service: smtp/tcp

search in the forum - you may run postfix chrooted but you need to copy some files to the chroot-folder (eg. /var/spool/postfix/etc...)

2) ??

3) not all ports need to be "up" - just the ones you need and use... or you have configured...

4) backups are installed by default. They are run in a cron job - look in /etc/cron.d/ispcp

/J