On Tue, 30 Oct 2012 15:50:37 +0100
Tilman Schmidt <[email protected]> wrote:
> which (apart from being an example of obvious spam from a DNSWL
> listed site :-) seems to show that relay_is_blacklisted(),
> un-Perl-like, returns its result not as a string, but in some
> sort of packed binary format. Any idea how to unpack that?
First of all, from the mimedefang-filter man page:
Note that the "relay_is_blacklisted" functions are deprecated
and may be removed in a future release. Instead, you should
use the module Net::DNSBL::Client from CPAN.
Second, relay_is_blacklisted simply returns whatever Perl's built-in
gethostbyname function returns, which is (as you note) a packed binary
structure that you unpack with:
use Socket;
$unpacked = inet_ntoa($return_from_relay_is_blacklisted);
Third: Use relay_is_blacklisted_multi instead. It provides a much
more useful return value.
Regards,
David.
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