// Function to change email address

function wpb_sender_email( $original_email_address ) {
    return 'email@example.com';
}

// Function to change sender name
function wpb_sender_name( $original_email_from ) {
    return 'YOUR NAME';
}

// Hooking up our functions to WordPress filters
add_filter( 'wp_mail_from', 'wpb_sender_email' );
add_filter( 'wp_mail_from_name', 'wpb_sender_name' );