To have ability to send a receive emails from your customers, you have to setup mail on your Joomla website. Bellow your will find detailed instruction how to setup mail in Joomla.
To setup mail in Joomla you need to use the SMTP Server. For this you have to turn on SMTP Authentication and set correct details for it.
If you made no changes during Joomla installation, your Joomla will use the PHP Main function to send mails. For change it to SMTP server follow this steps:
To get in setting to setup mail in Joomla, in the left menu click on System=> Global Configuration.
In the right bottom corner find "Mail settings" and, to setup mail in Joomla, set them like this:
Discover more tips and tricks in Joomla tutorials section.