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go-chasquid-smtp/docs/man/chasquid-util.1.pod
Alberto Bertogli 83ae4c3478 userdb: Add support for receive-only users
Some use cases, like receive-only MTAs, need domain users for receiving
emails, but have no real need for passwords since they will never use
submission.

Today, that is not supported, and those use-cases require the
administrator to come up with a password unnecessarily, adding
complexity and possibly risk.

This patch implements "receive-only users", which don't have a valid
password, thus exist for the purposes of delivering mail, but always
fail authentication.

See https://github.com/albertito/chasquid/issues/44 for more details and
rationale.

Thanks to xavierg who suggested this feature on IRC.
2023-12-03 11:59:26 +00:00

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=head1 NAME
chasquid-util - chasquid management tool
=head1 SYNOPSIS
B<chasquid-util> [I<options>] user-add I<user@domain> [--password=I<password>] [--receive_only]
B<chasquid-util> [I<options>] user-remove I<user@domain>
B<chasquid-util> [I<options>] authenticate I<user@domain> [--password=I<password>]
B<chasquid-util> [I<options>] check-userdb I<domain>
B<chasquid-util> [I<options>] aliases-resolve I<addr>
B<chasquid-util> [I<options>] domaininfo-remove I<domain>
B<chasquid-util> [I<options>] print-config
=head1 DESCRIPTION
chasquid-util is a command-line utility for chasquid(1) operations.
=head1 OPTIONS
=over 8
=item B<user-add> I<user@domain> [--password=I<password>] [--receive_only]
Add a new user to the domain.
If I<--receive_only> is given, then the user will never successfully
authenticate. This is useful when creating receive-only users.
=item B<user-remove> I<user@domain>
Remove the user from the domain.
=item B<authenticate> I<user@domain> [--password=I<password>]
Check the user's password.
=item B<check-userdb> I<domain>
Check the integrity of the domain's users database.
=item B<aliases-resolve> I<addr>
Resolve the given address. Talks to the running chasquid instance.
=item B<domaininfo-remove> I<domain>
Remove the domain information entry. This can be used to manually allow a
security level downgrade. Talks to the running chasquid instance.
=item B<print-config>
Parse and print the configuration in a human-readable way.
=item B<-C> or B<--configdir=<path>>
Configuration directory.
=back
=head1 SEE ALSO
chasquid(1)