qmail-newu - prepare address assignments for qmail-lspawn
qmail-newu
qmail-newu reads the assignments in /var/qmail/users/assign and writes them into /var/qmail/users/assign.cdb in a binary format suited for quick access by qmail-lspawn.
If there is a problem with users/assign, qmail-newu complains and leaves users/assign.cdb alone.
qmail-newu ensures that users/assign.cdb is updated atomically, so qmail-lspawn never has to wait for qmail-newu to finish. However, qmail-newu makes no attempt to protect against two simultaneous updates of users/assign.cdb.
The binary users/assign.cdb format is portable across machines.
qmail-users(5), qmail-lspawn(8), qmail-pw2u(8)