Hi. It appears vpopbull has the same bug as vdominfo pre 5.4.3.
# cat /var/qmail/users/assign =uucp:uucp:10:14:/var/spool/uucp::: +uucp-:uucp:10:14:/var/spool/uucp:-:: =oden:oden:1000:1000:/home/oden/::: +oden-:oden:1000:1000:/home/oden/:-:: +:alias:800:800:/var/qmail/alias:-:: =alias:alias:800:800:/var/qmail/alias::: +alias-:alias:800:800:/var/qmail/alias:-:: =vpopmail:vpopmail:808:808:/home/vpopmail::: +vpopmail-:vpopmail:808:808:/home/vpopmail:-:: [...] # ./vpopbull -v -V -n -f message version: 5.4.3 skipping uuc (alias of uucp) skipping ode (alias of oden) skipping (alias of alias) skipping alia (alias of alias) skipping vpopmai (alias of vpopmail) [...]