php使用smtp发送支持附件的邮件示例

轻量级PHP邮件发送，需要有smtp服务器，代码经过多次实战使用，现在把代码分享给大家

复制代码代码如下:
<？php
/*
邮件发送smtp服务
联结smtp服务器，进行邮件发送,版权所有，不能复制
@author:jackbrown;
@qq: 610269963
@time:2011-8-20;
@version:1.0.3;
*/
class smtp{

/*邮件用户名*/
public $mailUser = MAIL_USER;

/*邮件密码*/
public $mailPwd = MAIL_PWD;

/*邮件服务器地址*/
public $server = MAIL_SMTP_HOST;

/*邮件端口*/
public $port = MAIL_SMTP_PORT;

public $timeout = MAIL_TIMEOUT;

/*邮件编码*/
public $charset = MAIL_CHARSET;

/*邮件发送者email,用于显示给接收者*/
public $senderMail = MAIL_SENDER;

/*发用者名称*/
public $senderName = MAIL_SENDER_NAME;

/*是否使用ssl安全操作*/
public $useSSL = IN_SSL;

/*是否显示错误信息*/
public $showError = MAIL_SHOW_ERR;

public $needLogin = MAIL_NEED_LOGIN;

/*附件数组*/
public $attachMent = array（）;

public $failed = false;

private static $smtpCon;
private $stop =" ";
private $status = 0;

public function __construct（）{

if（self::$smtpCon）{
   return;
}

if（$this->mailUser==""）{
   $this->error（"请配置好邮件登录用户名！"）;
   return false;
}

if（$this->mailPwd==""）{
   $this->error（"请配置好邮件登录密码！"）;
   return false;
}

if（$this->server==""）{
   $this->error（"请配置好邮服务器地址！"）;
   return false;
}

if（！is_numeric（$this->port））{
   $this->error（"请配置好邮服务器端口！"）;
   return false;
}

/*ssl使用**/
$server = $this->server;
if（$this->useSSL == true）{
   $server = "ssl://".$this->server;
}

self::$smtpCon = @fsockopen（$server, $this->port, $errno, $errstr,10）;;

if（！self::$smtpCon）{
   $this->error（$errno.$errstr）;
   return false;
}

socket_set_timeout（self::$smtpCon,0,250000）;

/*开始邮件指令*/
$this->getStatus（）;
$resp = true;
$resp = $resp && $this->helo（）;
if（$this->needLogin == "1"）{
   $resp = $resp && $this->login（）;
}

if（！$resp）{
   $this->failed = true;
}

}

/*
发送邮件
@param string $to 接收邮件地址
@param string $msg 邮件主要内容
@title string $title 邮件标题
*/
public function sendMail（$to,$msg,$title=""）{

if（$msg=="" ）{

   return false;
}
if（is_array（$to））{

   if（$to！=null）{
    foreach（$to as $k=>$e）{

     if（！preg_match（"/^[a-z0-9A-Z_-]+@+（[a-z0-9A-Z_-]+.）+[a-z0-9A-Z]{2,3}$/",$e））{

      unset（$to[$k]）;
     }
    }
   }else{
    return false;
   }

   if（$to == null）{
    return false;
   }

}else{

   if（！preg_match（"/^[a-z0-9A-Z_-]+@+（[a-z0-9A-Z_-]+.）+[a-z0-9A-Z]{2,3}$/",$to））{

    return false;
   }

}


if（！self::$smtpCon）{
   return false;
}

$this->sendSmtpMsg（"MAIL FROM:<".$this->senderMail.">"）;

if（！is_array（$to））{
   $this->sendSmtpMsg（"RCPT TO:<".$to.">"）;
}else{

   foreach（$to as $k=>$email）{
    $this->sendSmtpMsg（"RCPT TO:<".$email.">"）;
   }
}

$this->sendSmtpMsg（"DATA"）;

if（$this->status ！="354"）{
   $this->error（"请求发送邮件失败！"）;
   $this->failed = true;
   return false;
}

$msg = base64_encode（$msg）;
$msg = str_replace（$this->stop . ".", $this->stop . "..", $msg）;
$msg    = substr（$msg, 0, 1） == "." ？ "." . $msg : $msg;

if（$this->attachMent！=null）{

   $headers = $this->mimeHeader（$msg,$to,$title）;
   $this->sendSmtpMsg（$headers,false）;

}else{

   $headers = $this->mailHeader（$to,$title）;
   $this->sendSmtpMsg（$headers,false）;
   $this->sendSmtpMsg（"",false）;
   $this->sendSmtpMsg（$msg,false）;
}
$this->sendSmtpMsg（"."）;//发送结束标识符

if（$this->status ！= "250"）{
   $this->failed = true;
   $this->error（$this->readSmtpMsg（））;
   return false;
}

return true;
}

/*
关闭邮件连接
*/
public function close（）{

$this->sendSmtpMsg（"Quite"）;
@socket_close（self::$smtpCon）;
}

/*
添加普通邮件头信息
*/
protected function mailHeader（$to,$title）{
$headers = array（）;
$headers[] = "Date: ".$this->gmtime（"D j M Y H:i:s"）." ".date（"O"）;

if（！is_array（$to））{
   $headers[] = "To: ""."=？".$this->charset."？B？".base64_encode（$this->getMailUser（$to））."？="<".$to.">";
}else{
   foreach（$to as $k=>$e）{
    $headers[] = "To: ""."=？".$this->charset."？B？".base64_encode（$this->getMailUser（$e））."？="<".$e.">";
   }
}

$headers[] = "From: "=？".$this->charset."？B？".base64_encode（$this->senderName）."？="<".$this->senderMail.">";
$headers[] = "Subject: =？".$this->charset."？B？".base64_encode（$title）."？=";
$headers[] = "Content-type: text/html; charset=".$this->charset."; format=flowed";
$headers[] = "Content-Transfer-Encoding: base64";

     $headers = str_replace（$this->stop . ".", $this->stop . "..", trim（implode（$this->stop, $headers）））;
return $headers;
}

/*
带付件的头部信息
*/
protected function mimeHeader（$msg,$to,$title）{

if（$this->attachMent！=null）{

   $headers = array（）;
   $boundary = "----=".uniqid（）;
   $headers[] = "Date: ".$this->gmtime（"D j M Y H:i:s"）." ".date（"O"）;
   if（！is_array（$to））{
    $headers[] = "To: ""."=？".$this->charset."？B？".base64_encode（$this->getMailUser（$to））."？="<".$to.">";
   }else{
    foreach（$to as $k=>$e）{
     $headers[] = "To: ""."=？".$this->charset."？B？".base64_encode（$this->getMailUser（$e））."？="<".$e.">";
    }
   }

   $headers[] = "From: "=？".$this->charset."？B？".base64_encode（$this->senderName）."？="<".$this->senderMail.">";
   $headers[] = "Subject: =？".$this->charset."？B？".base64_encode（$title）."？=";
   $headers[] = "Mime-Version: 1.0";
   $headers[] = "Content-Type: multipart/mixed;boundary="".$boundary.""".$this->stop;
   $headers[]="--".$boundary;

   $headers[]="Content-Type: text/html;charset="".$this->charset.""";
   $headers[]="Content-Transfer-Encoding: base64".$this->stop;
   $headers[] = "";
   $headers[]= $msg.$this->stop;

   foreach（$this->attachMent as $k=>$filename）{

    $f = @fopen（$filename, "r"）;
    $mimetype = $this->getMimeType（realpath（$filename））;
    $mimetype = $mimetype == "" ？ "application/octet-stream" : $mimetype;

    $attachment = @fread（$f, filesize（$filename））;
    $attachment = base64_encode（$attachment）;
    $attachment = chunk_split（$attachment）;

    $headers[] = "--" . $boundary;
    $headers[] = "Content-type: ".$mimetype.";name="=？".$this->charset."？B？". base64_encode（basename（$filename））."？="" ;
    $headers[] = "Content-disposition: attachment; name="=？".$this->charset."？B？". base64_encode（basename（$filename））."？="";
    $headers[] = "Content-Transfer-Encoding: base64".$this->stop;
    $headers[] = $attachment.$this->stop;



   }
   $headers[] = "--" . $boundary . "--";
   $headers = str_replace（$this->stop . ".", $this->stop . "..", trim（implode（$this->stop, $headers）））;
   return $headers;

}
}

/*
获取返回状态
*/
protected function getStatus（）{

$this->status = substr（$this->readSmtpMsg（）,0,3）;
}

/*
获取邮件服务器返回的信息
@return string 信息字符串
*/
protected function readSmtpMsg（）{

if（！is_resource（self::$smtpCon））{
   return false;
}

$return = "";
$line   = "";
while （strpos（$return, $this->stop）=== false OR $line{3}！== " "）
{
   $line    = fgets（self::$smtpCon, 512）;
   $return .= $line;
}

return trim（$return）;

}

/*
给邮件服务器发给指定命令消息
*/
protected function sendSmtpMsg（$cmd,$chStatus=true）{
        if （is_resource（self::$smtpCon））
        {
             fwrite（self::$smtpCon, $cmd . $this->stop, strlen（$cmd） + 2）;
        }
if（$chStatus == true）{
   $this->getStatus（）;
}

return true;
}

/*
邮件时间格式
*/
protected function gmtime（）{

return （time（） - date（"Z"））;

}

/*
获取付件的mime类型
*/
protected function getMimeType（$file）{

$mimes = array（
   "chm"=>"application/octet-stream", "ppt"=>"application/vnd.ms-powerpoint",
   "xls"=>"application/vnd.ms-excel", "doc"=>"application/msword", "exe"=>"application/octet-stream",
   "rar"=>"application/octet-stream", "js"=>"javascrīpt/js", "css"=>"text/css",
   "hqx"=>"application/mac-binhex40", "bin"=>"application/octet-stream", "oda"=>"application/oda", "pdf"=>"application/pdf",
   "ai"=>"application/postsrcipt", "eps"=>"application/postsrcipt", "es"=>"application/postsrcipt", "rtf"=>"application/rtf",
   "mif"=>"application/x-mif", "csh"=>"application/x-csh", "dvi"=>"application/x-dvi", "hdf"=>"application/x-hdf",
   "nc"=>"application/x-netcdf", "cdf"=>"application/x-netcdf", "latex"=>"application/x-latex", "ts"=>"application/x-troll-ts",
   "src"=>"application/x-wais-source", "zip"=>"application/zip", "bcpio"=>"application/x-bcpio", "cpio"=>"application/x-cpio",
   "gtar"=>"application/x-gtar", "shar"=>"application/x-shar", "sv4cpio"=>"application/x-sv4cpio", "sv4crc"=>"application/x-sv4crc",
   "tar"=>"application/x-tar","ustar"=>"application/x-ustar","man"=>"application/x-troff-man", "sh"=>"application/x-sh",
   "tcl"=>"application/x-tcl", "tex"=>"application/x-tex", "texi"=>"application/x-texinfo","texinfo"=>"application/x-texinfo",
   "t"=>"application/x-troff", "tr"=>"application/x-troff", "roff"=>"application/x-troff",
   "shar"=>"application/x-shar", "me"=>"application/x-troll-me", "ts"=>"application/x-troll-ts",
   "gif"=>"image/gif", "jpeg"=>"image/pjpeg", "jpg"=>"image/pjpeg", "jpe"=>"image/pjpeg", "ras"=>"image/x-cmu-raster",
   "pbm"=>"image/x-portable-bitmap", "ppm"=>"image/x-portable-pixmap", "xbm"=>"image/x-xbitmap", "xwd"=>"image/x-xwindowdump",
   "ief"=>"image/ief", "tif"=>"image/tiff", "tiff"=>"image/tiff", "pnm"=>"image/x-portable-anymap", "pgm"=>"image/x-portable-graymap",
   "rgb"=>"image/x-rgb", "xpm"=>"image/x-xpixmap", "txt"=>"text/plain", "c"=>"text/plain", "cc"=>"text/plain",
   "h"=>"text/plain", "html"=>"text/html", "htm"=>"text/html", "htl"=>"text/html", "rtx"=>"text/richtext", "etx"=>"text/x-setext",
   "tsv"=>"text/tab-separated-values", "mpeg"=>"video/mpeg", "mpg"=>"video/mpeg", "mpe"=>"video/mpeg", "avi"=>"video/x-msvideo",
   "qt"=>"video/quicktime", "mov"=>"video/quicktime", "moov"=>"video/quicktime", "movie"=>"video/x-sgi-movie", "au"=>"audio/basic",
   "snd"=>"audio/basic", "wav"=>"audio/x-wav", "aif"=>"audio/x-aiff", "aiff"=>"audio/x-aiff", "aifc"=>"audio/x-aiff",
   "swf"=>"application/x-shockwave-flash", "myz"=>"application/myz"
）;

$ext = substr（strrchr（$file,"."）,1）;
$type = $mimes[$ext];

unset（$mimes）;
return $type;
}

/*
邮件helo命令
*/
private function helo（）{

if（$this->status ！= "220"）{

   $this->error（"连接服务器失败！"）;
   return false;
}

return $this->sendSmtpMsg（"HELO ".$this->server）;

}

/*
登录
*/
private function login（）{

if（$this->status！="250"）{

   $this->error（"helo邮件指令失败！"）;
   return false;
}

$this->sendSmtpMsg（"AUTH LOGIN"）;
if（$this->status！="334"）{
   $this->error（"AUTH LOGIN 邮件指令失败！"）;
   return false;
}

$this->sendSmtpMsg（base64_encode（$this->mailUser））;
if（$this->status！="334"）{
   $this->error（"邮件登录用户名可能不正确！".$this->readSmtpMsg（））;
   return false;
}

$this->sendSmtpMsg（base64_encode（$this->mailPwd））;
if（$this->status ！="235"）{
   $this->error（"邮件登录密码可能不正确！"）;
   return false;
}

return true;

}

private function getMailUser（$to）{

$temp = explode（"@",$to）;
return $temp[0];
}
/*
异常报告
*/
private function error（$exception）{

if（$this->showError == false）{
   file_put_contents（"mail_log.txt",$exception,FILE_APPEND）;
   return;
}

if（class_exists（"error"） && is_object（$GLOBALS["error"]））{
   $GLOBALS["error"]->showErrorStr（$exception,"javascript:",false）;
}else{
   throw new Exception（$exception）;
}
}

}

// 使用示例
ini_set（"memory_limit","128M"）;
set_time_limit（120）;
define（"MAIL_SENDER_NAME","楚贤"）;
define（"MAIL_SMTP_HOST","smtp.ym.163.com"）;
define（"MAIL_USER","admin@myxxxx.com"）;
define（"MAIL_SENDER","admin@myxxxx.com"）;
define（"MAIL_PWD","xxxx"）;
define（"MAIL_SMTP_PORT",25）;
define（"IN_SSL",false）;
define（"MAIL_TIMEOUT",10）;
define（"MAIL_CHARSET","utf-8"）;
date_default_timezone_set（"PRC"）;
$m = new smtp（）;
$msg = "有用户登录服务器@".date（"Y-m-d H:i:s"）;
付件
//$m->attachMent = array（"hehe.php","common.php"）;
if（$m->sendMail（array（"610269963@qq.com"）,$msg,"88服务器登录提示"））{
echo "发送成功！";
}
$m->close（）;
？>