Description of problem:
The latest version of perl-MIME-tools needs perl(Convert::BinHex).
This perl module isn't available in te RPMS.extras repository.

Version-Release number of selected component (if applicable):
perl-MIME-tools-5.417-1.noarch.rpm

How reproducible:
Always.

Steps to Reproduce:
1. apt-get install perl-MIME-tools
  
Actual results:
# apt-get install perl-MIME-tools
Reading Package Lists... Done
Building Dependency Tree... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.

Since you only requested a single operation it is extremely likely that
the package is simply not installable and a bug report against
that package should be filed.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
  perl-MIME-tools: Depends: perl(Convert::BinHex) but it is not
installable
E: Broken packages