if you are new to php. mail() function might help u to send recieve emails from your clients. this an important function from business point of view.

code :

php email function.
< ? php

$email = "you@example.com"; // your email address where the user will send query

$subject = "Enter your subject here"; // subject for the query

$message = "Enter your message here"; // Compelete message

mail($email, $subject, $message, "From: $email");

echo "The email has been sent.";
?>