mail -s hello root not working

[input]

I want to send a mail from the terminal like mail -s hello root but I get bash: mail: command not found..

What do I miss ?

Thanks

[witek]

you need to install email or mailx and sendmail or another mail transfer agent
Usage:
http://www.salixos.org/wiki/index.ph...line_or_script

[input]

Thank you for the reply. I install mailx but with buttom I can send the email ?
And I have already Evolution.

---------- Post added at 07:06 PM ---------- Previous post was at 06:42 PM ----------

Yes I found the button . for sending the email

Thanks