Solution
Please Install the Updated Packages.
Insight
The install of mailman failed because of a problem in the rpm scripts, additionally the logrotation script was fixed.
Affected
mailman on Mandriva Linux 2009.0,
Mandriva Linux 2009.0/X86_64,
Mandriva Linux 2009.1,
Mandriva Linux 2009.1/X86_64,
Mandriva Linux 2010.0,
Mandriva Linux 2010.0/X86_64,
Mandriva Linux 2010.1,
Mandriva Linux 2010.1/X86_64,
Mandriva Enterprise Server 5,
Mandriva Enterprise Server 5/X86_64