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Editing: unknownuser.sh
#! /bin/sh # Copyright (c) The Exim Maintainers 2022 # SPDX-License-Identifier: GPL-2.0-or-later # This is a sample script for demonstrating how to handle unknown users in # a more friendly way than just returning a "user unknown" error. It can # be called from a pipe transport set up like this: # unknownuser_pipe: # driver = pipe; # command = "/opt/exim/util/unknownuser.sh", # ignore_status, # return_output, # user = nobody # which is specified by a smartuser director set up like this: # unknownuser: # transport = unknownuser_pipe, # no_verify, # driver = smartuser; # Any output generated by this script is then returned to the sender of # the message. You can run any commands you like at this point, for example, # to attempt fuzzy matches on the local part of the address. Here we just # give a bland message, demonstrating the availability of the variables # $LOCAL_PART and $DOMAIN. cat <<End "$LOCAL_PART" is not a known user mailbox in the domain "$DOMAIN". End
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