solve temporary file issue with amavis

Problem:
amavis[6872]: (!!)TROUBLE in process_request: Can't create file /var/lib/amavis/tmp/amavis-20100302T122841-06872/email.txt: File exists at /usr/sbin/amavisd-new line 4856

Solution:

 # perl -MCPAN -e shell;
 cpan> install File::Temp