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