Send Mail From Server

send_html_mail.php

<?php  
   $to = "to_mail@example.com";//change receiver address  
   $subject = "This is subject";  
   $message = "<h1>This is HTML heading</h1>";  
  
   $header = "From:from_mail@example.com \r\n";  
   $header .= "MIME-Version: 1.0 \r\n";  
   $header .= "Content-type: text/html;charset=UTF-8 \r\n";  
  
   $result = mail ($to,$subject,$message,$header);  
  
   if( $result == true ){  
      echo "Message sent successfully...";  
   }else{  
      echo "Sorry, unable to send mail...";  
   }  
?>

send_normal_mail.php

<?php  
   ini_set("sendmail_from", "from_mail@example.com");  
   $to = "to_mail@example.com";//change receiver address  
   $subject = "This is subject";  
   $message = "This is simple text message.";  
   $header = "From:from_mail@example.com \r\n";  
  
   $result = mail ($to,$subject,$message,$header);  
  
   if( $result == true ){  
      echo "Message sent successfully...";  
   }else{  
      echo "Sorry, unable to send mail...";  
   }  
?>