To install Mail::SpamAssassin::Contrib::Plugin::IPFilter, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Mail::SpamAssassin::Contrib::Plugin::IPFilter
CPAN shell
perl -MCPAN -e shell
install Mail::SpamAssassin::Contrib::Plugin::IPFilter
For more information on module installation, please visit the detailed CPAN module installation guide.