>I installed/configured listserv 14.4 on Linux 3.0 ES..
>
>I added the following line to /etc/inittab
>
>ls:235:respawn:/home/listserv/go bg  >/dev/console 2>&1
>
>But it didn`t start automatically on reboots....

And it will not. You do not want to respawn something into the background. 
The init process will kill it.

Either use the "once" syntax:

>ls:235:once:/home/listserv/go bg


or (better) create a chkconfig compliant startup script and stick it in 
/etc/init.d


-- DCP