Change from to wordpress email

functions.php

<?php

// first
add_filter( 'wp_mail_from', 'wpse_new_mail_from' );     
function wpse_new_mail_from( $old ) {
    return 'your email address'; // Edit it with your email address
}

add_filter('wp_mail_from_name', 'wpse_new_mail_from_name');
function wpse_new_mail_from_name( $old ) {
    return 'your name or your website'; // Edit it with your/company name
}

// second
add_filter( 'wp_mail_from', 'new_mail_from' );
add_filter( 'wp_mail_from_name', 'new_mail_from_name' );
function new_mail_from( $old ) {
    return get_option( 'admin_email' );
}
function new_mail_from_name( $old ) {
    return get_option( 'blogname' ); 
}