Easy steps to install s-nail package on Mac
Package Information:
Application Name – s-nail
What is s-nail – Not Available for s-nail
Use of s-nail – Fork of Heirloom mailx
URL – https://www.sdaoden.eu/code.html
Installation Steps:
- Open Terminal using Spotlight search by pressing  
<command+space>. Type terminal and hitEnterkey. - Now, run following command to install homebrew (brew)
 - Install s-nail using brew
brew install s-nail
 

ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

s-nail is ready to use now!