Setting up email on your Raspberry Pi is relatively easy using Gmail as an SMTP server.
If you have installed WordPress then you will need email to allow new users to register and add comments.
In the terminal:
sudo apt-get install mailutils
sudo apt-get install mpack
Setting the configuration for ssmtp:
Now add the following to your file:
AuthUser is the Gmail account that you are going to use.
AuthPass is the Gmail user password
To test the email do the following:
where firstname.lastname@example.org is the to address that we want to send to and press return.