At 10:17 AM +0200 9/28/01, Andreas Micklich wrote: > What can I do? Qpopper runs in the server mode and I thought, than I do not > have such a problem. But it is not so.
This is a locking issue; it has nothing to do with server mode. I'd suggest upgrading sendmail and making sure that the delivery agent is using dot-locking and/or flock().