ezmlm-check mails useful environment variables to SENDER via
qmail-inject. It is usually invoked for debugging purposes in a
.qmail file to determine the value of relevant environment variables.
dir is specified,
ezmlm-check attempts to evaluate the
ezmlm mailing list set up in
dir and return information about the setup as well as possible
ezmlm-check will flag errors with
??? ERROR, likely errors with
???, and potential errors/problems with
ezmlm-check is invoked from the shell, it will print to stdout.
In this case, diagnostics are more limited,
since important environment variables
normally supplied by qmail are not available.