why my emails with wp_mail function is known as spam

[admin]

i use wp_mail function in wordpress to send mail but my email is know as spam in yahoo,..

i use same following code

$headers = 'From: myname <[email protected]>' . "\r\n\\"; 

 wp_mail('[email protected]', 'The subject', 'The message',$headers);

please give a Suggestion ?

thanks