I have Perl 5.6.0 . Line 29 of openwebmail-tool.pl reads: 
use Fcntl qw(:DEFAULT :flock);

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Any other ideas?

In reply to Re^2: "flock" is not defined in %Fcntl::EXPORT_TAGS at /usr/lib/perl5/Exporter.pm by vivia
in thread "flock" is not defined in %Fcntl::EXPORT_TAGS at /usr/lib/perl5/Exporter.pm by vivia

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