title: Warning: mail() [function.mail]: SMTP server response: 554
body: <p>Im using email in my website, when i try to send email it show an error</p>
  
  <p>Warning: mail() [function.mail]: SMTP server response: 554 Sending address not accepted due to spam filter</p>
  
  <p>can anybody know how to solve this problem?</p>