I just installed the Listserv material on a UNIX 10.20 with sendmail.
Problem is that when I run Listserv in the background it only works
precisely at the hour. So at 14.00, 15.00, and so on.  I have read a number
of posts but I don't think it's sendmail as they say, because the jobs come
and stay in my spool directory until the next full hour.

Is there somewhere a sleeping time programmed? Can I change it?

Hope somebody can help me.

Roeland