34 lines
1,002 B
Bash
Executable file
34 lines
1,002 B
Bash
Executable file
#! /bin/sh
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# Copyright (c) The Exim Maintainers 2022
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# SPDX-License-Identifier: GPL-2.0-or-later
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# This is a sample script for demonstrating how to handle unknown users in
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# a more friendly way than just returning a "user unknown" error. It can
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# be called from a pipe transport set up like this:
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# unknownuser_pipe:
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# driver = pipe;
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# command = "/opt/exim/util/unknownuser.sh",
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# ignore_status,
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# return_output,
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# user = nobody
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# which is specified by a smartuser director set up like this:
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# unknownuser:
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# transport = unknownuser_pipe,
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# no_verify,
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# driver = smartuser;
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# Any output generated by this script is then returned to the sender of
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# the message. You can run any commands you like at this point, for example,
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# to attempt fuzzy matches on the local part of the address. Here we just
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# give a bland message, demonstrating the availability of the variables
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# $LOCAL_PART and $DOMAIN.
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cat <<End
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"$LOCAL_PART" is not a known user mailbox in the domain "$DOMAIN".
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End
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