php 發送郵件與pop3郵件登入代碼

代碼如下	複製代碼
function send_msg($to,$subject,$body) { $send_addr = 'admin@test.com';   //發送人地址 $header = "from: admin <".$send_addr."> "; //設定email頭 ini_set('sendmail_from',$send_addr); mail($to,$subject,$body,$header); }

pop3郵箱登入

代碼如下

複製代碼

function pop3_login($host,$username,$password) {         global $debug;     if(empty($host)) {         return false;     }     if($debug)         echo "open hostname: ".$host.",port: ".$port." ";     $conn = @fsockopen($host,110,$err_no,$err_str,5);     if(!$conn) {         return false;     }     $ret_info = fgets($conn,1024);     if(substr($ret_info,0,3) == "+ok") {                 if(login($conn,$username,$password)) {                         return true;                 }     }     return false; }

smtp登入驗證函式
 

代碼如下

複製代碼

function smtp_login($host,$username,$password) {         global $debug;     if(empty($host)) {         return false;     }     if($debug)         echo "open hostname: ".$host.",port: ".$port." ";     $conn = @fsockopen($host,25,$err_no,$err_str,5);     if(!$conn) {         return false;     }     $ret_info = fgets($conn,1024);     if(substr($ret_info,0,3) == "220") {           fputs($conn,"helo localhost ");           if(substr(fgets($conn,1024),0,3) == "250") {                 if(login($conn,$username,$password,25)) {                         return true;                 }           }     }     return false; }

imap登入驗證函式
 

代碼如下

複製代碼

function imap_login($host,$username,$password) {         global $debug;     if(empty($host)) {         return false;     }     if($debug)         echo "open hostname: ".$host.",port: ".$port." ";     $conn = @fsockopen($host,143,$err_no,$err_str,5);     if(!$conn) {         return false;     }     $ret_info = fgets($conn,1024);         if(strpos($ret_info,"ok")) {                 fputs($conn,"a001 login $username $password ");                 $ret = fgets($conn,1024);                 if(strpos($ret,"login ok")) {                         return true;                 }         }         return false; }