How to install heirloom-mailx on Ubuntu 14.04 I want to install heirloom-mailx on Ubuntu 14.04 My current `/etc/apt/sources.list` reads like this: deb trusty main restricted deb-src trusty main restricted deb trusty-updates main restricted deb-src trusty-updates main restricted deb trusty-security main restricted deb-src trusty-security main restricted And `apt-get` is unable to find heirloom-mailx with this `sources.list` What changes do I need to find heirloom-mailx?

You should have the following line in your `sources.list`:


deb trusty-security main universe


Then run:


sudo apt-get update
sudo apt-get install heirloom-mailx