PHP邮件STMP简单类

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<?php 

class smtp 

{ 

    /* Public Variables */ 

    var $smtp_port; 

    var $time_out; 

    var $host_name; 

    var $log_file; 

    var $relay_host; 

    var $debug; 

    var $auth; 

    var $user; 

    var $pass; 

 

    /* Private Variables */  

    var $sock; 

 

    /* Constractor */ 

    function smtp($relay_host = "",$smtp_port = 25,$auth = false,$user,$pass) 

    { 

        $this->debug = FALSE; 

        $this->smtp_port = $smtp_port; 

        $this->relay_host = $relay_host; 

        $this->time_out = 30; //is used in fsockopen()  

        $this->auth = $auth;//auth 

        $this->user = $user; 

        $this->pass = $pass; 

        $this->host_name = "localhost"; //is used in HELO command  

        $this->log_file = ""; 

        $this->sock = FALSE; 

} 

 

    /* Main Function */ 

    function sendmail($to,$from,$subject = "",$body = "",$mailtype,$cc = "",$bcc = "",$additional_headers = "") 

    { 

        $mail_from = $this->get_address($this->strip_comment($from)); 

        $body = ereg_replace("(^|(rn))(.)","1.3",$body); 

        $header .= "MIME-Version:1.0rn"; 

        if($mailtype=="HTML") 

        { 

            $header .= "Content-Type:text/htmlrn"; 

        } 

        $header .= "To: ".$to."rn"; 

        if ($cc != "")  

        { 

            $header .= "Cc: ".$cc."rn"; 

        } 

        $header .= "From: $from<".$from.">rn"; 

        $header .= "Subject: ".$subject."rn"; 

        $header .= $additional_headers; 

        $header .= "Date: ".date("r")."rn"; 

        $header .= "X-Mailer:By Redhat (PHP/".phpversion().")rn"; 

        list($msec,$sec) = explode(" ",microtime()); 

        $header .= "Message-ID: <".date("YmdHis",$sec).".".($msec*1000000).".".$mail_from.">rn"; 

        $TO = explode(",",$this->strip_comment($to)); 

 

        if ($cc != "")  

        { 

            $TO = array_merge($TO,explode(",$this->strip_comment($cc))); 

            } 

        if ($bcc != "")  

        { 

            $TO = array_merge($TO,$this->strip_comment($bcc))); 

        } 

        $sent = TRUE; 

        foreach ($TO as $rcpt_to)  

        { 

            $rcpt_to = $this->get_address($rcpt_to); 

            if (!$this->smtp_sockopen($rcpt_to))  

            { 

                $this->log_write("Error: Cannot send email to ".$rcpt_to."n"); 

                $sent = FALSE; 

                continue; 

            } 

            if ($this->smtp_send($this->host_name,$mail_from,$rcpt_to,$header,$body))  

            { 

                $this->log_write("E-mail has been sent to <".$rcpt_to.">n"); 

            }  

            else  

            { 

                $this->log_write("Error: Cannot send email to <".$rcpt_to.">n"); 

                $sent = FALSE; 

            } 

            fclose($this->sock); 

            $this->log_write("Disconnected from remote hostn"); 

        } 

        return $sent; 

    } 

 

    /* Private Functions */ 

    function smtp_send($helo,$to,$body = "") 

    { 

        if (!$this->smtp_putcmd("HELO",$helo))  

        { 

            return $this->smtp_error("sending HELO command"); 

        } 

 

        #auth 

        if($this->auth) 

        { 

            if (!$this->smtp_putcmd("AUTH LOGIN",base64_encode($this->user)))  

            { 

                return $this->smtp_error("sending HELO command"); 

            } 

            if (!$this->smtp_putcmd("",base64_encode($this->pass)))  

            { 

                return $this->smtp_error("sending HELO command"); 

            } 

        } 

        if (!$this->smtp_putcmd("MAIL","FROM:<".$from.">"))  

        { 

            return $this->smtp_error("sending MAIL FROM command"); 

        } 

        if (!$this->smtp_putcmd("RCPT","TO:<".$to.">"))  

        { 

            return $this->smtp_error("sending RCPT TO command"); 

        } 

        if (!$this->smtp_putcmd("DATA")) 

        { 

            return $this->smtp_error("sending DATA command"); 

        } 

        if (!$this->smtp_message($header,$body))  

        { 

            return $this->smtp_error("sending message"); 

        } 

        if (!$this->smtp_eom()) 

        { 

            return $this->smtp_error("sending <CR><LF>.<CR><LF> [EOM]"); 

        } 

        if (!$this->smtp_putcmd("QUIT"))  

        { 

            return $this->smtp_error("sending QUIT command"); 

        } 

        return TRUE; 

    } 

 

    function smtp_sockopen($address) 

    { 

        if ($this->relay_host == "")  

        { 

            return $this->smtp_sockopen_mx($address); 

        }  

        else 

        { 

            return $this->smtp_sockopen_relay(); 

        } 

    } 

 

    function smtp_sockopen_relay() 

    { 

        $this->log_write("Trying to ".$this->relay_host.":".$this->smtp_port."n"); 

        $this->sock = @fsockopen($this->relay_host,$this->smtp_port,$errno,$errstr,$this->time_out); 

        if (!($this->sock && $this->smtp_ok()))  

        { 

            $this->log_write("Error: Cannot connenct to relay host ".$this->relay_host."n"); 

            $this->log_write("Error: ".$errstr." (".$errno.")n"); 

            return FALSE; 

        } 

        $this->log_write("Connected to relay host ".$this->relay_host."n"); 

        return TRUE;; 

    } 

 

    function smtp_sockopen_mx($address) 

    { 

        $domain = ereg_replace("^[emailprotected]([^@]+)$","1",$address); 

        if ([emailprotected]($domain,$MXHOSTS))  

        { 

            $this->log_write("Error: Cannot resolve MX "".$domain.""n"); 

            return FALSE; 

        } 

        foreach ($MXHOSTS as $host)  

        { 

            $this->log_write("Trying to ".$host.":".$this->smtp_port."n"); 

            $this->sock = @fsockopen($host,$this->time_out); 

            if (!($this->sock && $this->smtp_ok()))  

            { 

                $this->log_write("Warning: Cannot connect to mx host ".$host."n"); 

                $this->log_write("Error: ".$errstr." (".$errno.")n"); 

                continue; 

            } 

            $this->log_write("Connected to mx host ".$host."n"); 

            return TRUE; 

        } 

        $this->log_write("Error: Cannot connect to any mx hosts (".implode(",$MXHOSTS).")n"); 

        return FALSE; 

    } 

 

    function smtp_message($header,$body) 

    { 

        fputs($this->sock,$header."rn".$body); 

        $this->smtp_debug("> ".str_replace("rn","n"."> ",$header."n> ".$body."n> ")); 

        return TRUE; 

    } 

 

    function smtp_eom() 

    { 

        fputs($this->sock,"rn.rn"); 

        $this->smtp_debug(". [EOM]n"); 

        return $this->smtp_ok(); 

    } 

 

    function smtp_ok() 

    { 

        $response = str_replace("rn","",fgets($this->sock,512)); 

        $this->smtp_debug($response."n"); 

        if (!ereg("^[23]",$response))  

        { 

            fputs($this->sock,"QUITrn"); 

            fgets($this->sock,512); 

            $this->log_write("Error: Remote host returned "".$response.""n"); 

            return FALSE; 

        } 

        return TRUE; 

    } 

 

    function smtp_putcmd($cmd,$arg = "") 

    { 

        if ($arg != "")  

        { 

            if($cmd=="")  

            { 

                $cmd = $arg; 

            } 

            else 

            { 

                $cmd = $cmd." ".$arg; 

            } 

        } 

        fputs($this->sock,$cmd."rn"); 

        $this->smtp_debug("> ".$cmd."n"); 

        return $this->smtp_ok(); 

    } 

 

    function smtp_error($string) 

    { 

        $this->log_write("Error: Error occurred while ".$string.".n"); 

        return FALSE; 

    } 

 

    function log_write($message) 

    { 

        $this->smtp_debug($message); 

        if ($this->log_file == "") 

        { 

            return TRUE; 

        } 

        $message = date("M d H:i:s ").get_current_user()."[".getmypid()."]: ".$message; 

        if ([emailprotected]_exists($this->log_file) || !($fp = @fopen($this->log_file,"a")))  

        { 

            $this->smtp_debug("Warning: Cannot open log file "".$this->log_file.""n"); 

            return FALSE;; 

        } 

        flock($fp,LOCK_EX); 

        fputs($fp,$message); 

        fclose($fp); 

        return TRUE; 

    } 

 

    function strip_comment($address) 

    { 

        $comment = "([^()]*)"; 

        while (ereg($comment,$address))  

        { 

            $address = ereg_replace($comment,$address); 

        } 

        return $address; 

    } 

 

    function get_address($address) 

    { 

        $address = ereg_replace("([ trn])+",$address); 

        $address = ereg_replace("^.*<(.+)>.*$",$address); 

        return $address; 

    } 

 

    function smtp_debug($message) 

    { 

        if ($this->debug)  

        { 

            echo $message; 

        } 

    } 

 

} 

?>

<?php

$smtpserver = "smtp.163.com";//SMTP服务器 

$smtpserverport = 25;//SMTP服务器端口 

$smtpusermail = "[emailprotected]";//SMTP服务器的用户邮箱 

$smtpemailto = "[emailprotected]";//发送给谁 

$smtpuser = "[emailprotected]";//SMTP服务器的用户帐号 

$smtppass = "myemailpassword";//SMTP服务器的用户密码 

$mailsubject = "邮件主题";//邮件主题 

$mailbody = "邮件内容";//邮件内容 

$mailtype = "HTML";//邮件格式（HTML/TXT）

$smtp = new smtp($smtpserver,$smtpserverport,true,$smtpuser,$smtppass);//这里面的一个true是表示使用身份验证,否则不使用身份验证

$smtp->debug = TRUE;//是否显示发送的调试信息 

$smtp->sendmail($smtpemailto,$smtpusermail,$mailsubject,$mailbody,$mailtype); 

?>

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