php发送邮件类与调用实例

<?php 
/*邮件发送类
*功能：使用smtp服务器发送邮件
*/ 
class smtp { 
    /* 全局变量 */ 
    var $smtp_port; 
    var $time_out; 
    var $host_name; 
    var $log_file; 
    var $relay_host; 
    var $debug; 
    var $auth; 
    var $user; 
    var $pass;   
    var $sock; 
     
    /* 构造函数 */ 
    function smtp($relay_host = "", $smtp_port = 25, $auth = false, $log_file="", $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 = $log_file; //邮件发送成功失败的日志记录文件    
        $this->sock = FALSE; 
    } 
     
    function mail_encode($str) 
    { 
        //return '=?utf-8?B?'.base64_encode(mb_convert_encoding($str, "GBK", "UTF-8")).'?='; 
        return "=?UTF-8?B?".base64_encode($str)."?="; 
    } 
     
     
    /* 主函数，发送邮件 */ 
    function sendmail($flag, $boundary, $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") { 
            if ($flag == 2) { 
                $header .= "Content-Type:multipart/mixed; boundary= $boundaryrn"; 
            } else { 
                $header .= "Content-Type:text/html;  charset="UTF-8" rn"; 
            } 
        } 
        $header .= "To: " . $to . "rn";        
        if ($cc != "") { 
            $header .= "Cc: " . $cc . "rn"; 
        }    
        $header .= "From: $from<" . $from . ">rn"; 
        $subject = self::mail_encode($subject); 
        $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, explode ( ",", $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; 
    } 
     
    /* 私有函数 */ 
    function smtp_send($helo, $from, $to, $header, $body = "") { 
        if (! $this->smtp_putcmd ( "HELO", $helo )) { 
             
            return $this->smtp_error ( "sending HELO command" ); 
        } 
 
        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 ( "^.+@([^@]+){1}quot;, "1", $address ); 
        if (! @getmxrr ( $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->smtp_port, $errno, $errstr, $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 (! @file_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 ( "^.*<(.+)>.*{1}quot;, "1", $address ); 
        return $address; 
    } 
     
    function smtp_debug($message) { 
        if ($this->debug) { 
            echo $message; 
        } 
    } 
}
?> 

<?php 
//文件全路径名称，文件名称 
function send_smtp_mail($file, $fileName) { 
    require ("smtp_mail.php"); 
    date_default_timezone_set ( 'Asia/Shanghai' ); 
    $subject = date ( "Y-m-d" ) . "邮件标题"; //邮件标题 
    $content = "邮件内容！"; //邮件内容 
    //$file = "/a/b/c.txt"; //附件 
    //$fileName = "email_log.log"; //附件名称 
     
    $smtpserver = "服务器ip"; //SMTP服务器 
    $smtpserverport = 25; //SMTP服务器端口 
    $bcc = ""; //副收件人 
    //$smtpuser = ""; //SMTP服务器的用户帐号 
    //$smtppass = ""; //SMTP服务器的用户密码 
    $smtpmailfrom = "aaa@bbb.com"; //SMTP服务器的用户邮箱,邮件发送者 
    $smtpemailto = "邮箱1，邮箱2，邮箱3"; //邮件接受者 
    $cc = ""; //抄送 
    $mailsubject = $subject; //邮件主题 
    $mailtype = "HTML"; //邮件格式（HTML/TXT）,TXT为文本邮件 
    $additional_headers = ""; 
    $smtplogfile = "";  //发送邮件的日志文件，如果没有就不记录 
     
    // 定义分界线  
    $boundary = uniqid ( "" ); 
    $headers = "Content-type: multipart/mixed; boundary= $boundaryrn"; 
    //附件类型 
    $mimeType = "application/unknown"; 
     
    // 打开文件  
    $fp = fopen ( $file, "r" ); 
    // 把整个文件读入一个变量  
    $read = fread ( $fp, filesize ( $file ) ); 
    //我们用base64方法把它编码  
    $read = base64_encode ( $read ); 
    //把这个长字符串切成由每行76个字符组成的小块  
    $read = chunk_split ( $read ); 
    fclose ( $fp ); //关闭文件 
     
 
    /* 邮件发送代码 */ 
    $flag = 1; //判断使用什么样的文件头1或2 
    if ($fileName == "") { 
        //没有附件 
        $body = $content; 
    } else { 
        //有附件 
        $flag = 2; 
        if ($mailtype == "HTML") { 
            $body = "--$boundaryrn"; //此必须rn 
            $body .= "Content-Type:text/htmlrnrn"; //此必须rnrn 
            $body .= "$contentrn"; 
            $body .= "--$boundaryrn"; 
            $body .= "Content-type: $mimeType; name=$fileNamern"; 
            $body .= "Content-disposition: attachment; filename=$fileNamern"; 
            $body .= "Content-Transfer-Encoding: BASE64rnrn"; 
            $body .= "$readrnrn"; 
            $body .= "--$boundary--rn"; 
        } else { 
            $body = "--$boundaryrn"; 
            $body .= "Content-type: Content-type: text/plain; charset=iso-8859-1rnrn"; 
            $body .= "Content-transfer-encoding: 8bitrnrn"; 
            $body .= "$contentrnrn"; 
            $body .= "--$boundaryrn"; 
            $body .= "Content-type: $mimeType; name=$fileNamernrn"; 
            $body .= "Content-disposition: attachment; filename=$fileNamernrn"; 
            $body .= "Content-transfer-encoding: base64rnrn"; 
            $body .= "$readrnrn"; 
            $body .= "--$boundary--rn"; 
        } 
    } 
     
    $mailbody = $body; //邮件内容 
    //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 = new smtp ( $smtpserver, $smtpserverport, false, $smtplogfile ); 
    //$smtp->debug = TRUE;//是否显示发送的调试信息 
    if ($smtp->sendmail ( $flag, $boundary, $smtpemailto, $smtpmailfrom, $mailsubject, $mailbody, $mailtype, $cc, $bcc, $additional_headers )) { 
        echo ("发送成功"); 
    } else { 
        echo ("发送失败"); 
    } 
} 
?>