libmail-spf-xs-perl software package provides library for validating mail senders with SPF - Perl bindings, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libmail-spf-xs-perl
libmail-spf-xs-perl is installed in your system.
Make ensure the libmail-spf-xs-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libmail-spf-xs-perl *
You will get with libmail-spf-xs-perl package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Perl |
| Package | libmail-spf-xs-perl |
| Version | 1.2.10-3 |
| Description | library for validating mail senders with SPF - Perl bindings |
| Sub Section | Perl |