A. Schulze: > I'm Unsure what's the really wrong part (beside input santisation in > my script) but I guess, postqueue should not panic...
To reduce the search space, it would help if you could provide details of the postqueue command line. This gives some info about what the program might be trying to do when it fails. If you run the command as root, you can run postqueue by hand under strace, which is even more helpful to find out what the program is trying to do when it fails. Wietse