smtp.php
复制代码 代码如下:
classsmtp
{
/*PublicVariables*/
var$smtp_port;
var$time_out;
var$host_name;
var$log_file;
var$relay_host;
var$debug;
var$auth;
var$user;
var$pass;

/*PrivateVariables*/
var$sock;

/*Constractor*/
functionsmtp($relay_host="",$smtp_port=25,$auth=false,$user,$pass)
{
$this->debug=FALSE;
$this->smtp_port=$smtp_port;
$this->relay_host=$relay_host;
$this->time_out=30;//isusedinfsockopen()
$this->auth=$auth;//auth
$this->user=$user;
$this->pass=$pass;
$this->host_name="localhost";//isusedinHELOcommand
$this->log_file="";
$this->sock=FALSE;
}

/*MainFunction*/
functionsendmail($to,$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";
$header.="X-Mailer:ByRedhat(PHP/".phpversion().")rn";
list($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)));
}
$sent=TRUE;
foreach($TOas$rcpt_to)
{
$rcpt_to=$this->get_address($rcpt_to);
if(!$this->smtp_sockopen($rcpt_to))
{
$this->log_write("Error:Cannotsendemailto".$rcpt_to."n");
$sent=FALSE;
continue;
}
if($this->smtp_send($this->host_name,$mail_from,$rcpt_to,$header,$body))
{
$this->log_write("E-mailhasbeensentto<".$rcpt_to.">n");
}
else
{
$this->log_write("Error:Cannotsendemailto<".$rcpt_to.">n");
$sent=FALSE;
}
fclose($this->sock);
$this->log_write("Disconnectedfromremotehostn");
}
return$sent;
}

/*PrivateFunctions*/
functionsmtp_send($helo,$from,$to,$header,$body="")
{
if(!$this->smtp_putcmd("HELO",$helo))
{
return$this->smtp_error("sendingHELOcommand");
}

#auth
if($this->auth)
{
if(!$this->smtp_putcmd("AUTHLOGIN",base64_encode($this->user)))
{
return$this->smtp_error("sendingHELOcommand");
}
if(!$this->smtp_putcmd("",base64_encode($this->pass)))
{
return$this->smtp_error("sendingHELOcommand");
}
}
if(!$this->smtp_putcmd("MAIL","FROM:<".$from.">"))
{
return$this->smtp_error("sendingMAILFROMcommand");
}
if(!$this->smtp_putcmd("RCPT","TO:<".$to.">"))
{
return$this->smtp_error("sendingRCPTTOcommand");
}
if(!$this->smtp_putcmd("DATA"))
{
return$this->smtp_error("sendingDATAcommand");
}
if(!$this->smtp_message($header,$body))
{
return$this->smtp_error("sendingmessage");
}
if(!$this->smtp_eom())
{
return$this->smtp_error("sending.[EOM]");
}
if(!$this->smtp_putcmd("QUIT"))
{
return$this->smtp_error("sendingQUITcommand");
}
returnTRUE;
}

functionsmtp_sockopen($address)
{
if($this->relay_host=="")
{
return$this->smtp_sockopen_mx($address);
}
else
{
return$this->smtp_sockopen_relay();
}
}

functionsmtp_sockopen_relay()
{
$this->log_write("Tryingto".$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()))
{
$this->log_write("Error:Cannotconnencttorelayhost".$this->relay_host."n");
$this->log_write("Error:".$errstr."(".$errno.")n");
returnFALSE;
}
$this->log_write("Connectedtorelayhost".$this->relay_host."n");
returnTRUE;;
}

functionsmtp_sockopen_mx($address)
{
$domain=ereg_replace("^.+@([^@]+)$","1",$address);
if(!@getmxrr($domain,$MXHOSTS))
{
$this->log_write("Error:CannotresolveMX"".$domain.""n");
returnFALSE;
}
foreach($MXHOSTSas$host)
{
$this->log_write("Tryingto".$host.":".$this->smtp_port."n");
$this->sock=@fsockopen($host,$this->smtp_port,$errno,$errstr,$this->time_out);
if(!($this->sock&&$this->smtp_ok()))
{
$this->log_write("Warning:Cannotconnecttomxhost".$host."n");
$this->log_write("Error:".$errstr."(".$errno.")n");
continue;
}
$this->log_write("Connectedtomxhost".$host."n");
returnTRUE;
}
$this->log_write("Error:Cannotconnecttoanymxhosts(".implode(",",$MXHOSTS).")n");
returnFALSE;
}

functionsmtp_message($header,$body)
{
fputs($this->sock,$header."rn".$body);
$this->smtp_debug(">".str_replace("rn","n".">",$header."n>".$body."n>"));
returnTRUE;
}

functionsmtp_eom()
{
fputs($this->sock,"rn.rn");
$this->smtp_debug(".[EOM]n");
return$this->smtp_ok();
}

functionsmtp_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);
$this->log_write("Error:Remotehostreturned"".$response.""n");
returnFALSE;
}
returnTRUE;
}

functionsmtp_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();
}

functionsmtp_error($string)
{
$this->log_write("Error:Erroroccurredwhile".$string.".n");
returnFALSE;
}

functionlog_write($message)
{
$this->smtp_debug($message);
if($this->log_file=="")
{
returnTRUE;
}
$message=date("MdH:i:s").get_current_user()."[".getmypid()."]:".$message;
if(!@file_exists($this->log_file)||!($fp=@fopen($this->log_file,"a")))
{
$this->smtp_debug("Warning:Cannotopenlogfile"".$this->log_file.""n");
returnFALSE;;
}
flock($fp,LOCK_EX);
fputs($fp,$message);
fclose($fp);
returnTRUE;
}

functionstrip_comment($address)
{
$comment="([^()]*)";
while(ereg($comment,$address))
{
$address=ereg_replace($comment,"",$address);
}
return$address;
}

functionget_address($address)
{
$address=ereg_replace("([trn])+","",$address);
$address=ereg_replace("^.*<(.+)>.*$","1",$address);
return$address;
}

functionsmtp_debug($message)
{
if($this->debug)
{
echo$message;
}
}

}
?>

测试程序
复制代码 代码如下:
/*
这是一个测试程序!!!
*/
require("smtp.php");
##########################################
$smtpserver="smtp.163.com";//SMTP服务器
$smtpserverport=25;//SMTP服务器端口
$smtpusermail="reterry123@163.com";//SMTP服务器的用户邮箱
$smtpemailto="dxytools@gmail.com";//发送给谁
$smtpuser="reterry123";//SMTP服务器的用户帐号
$smtppass="014040001";//SMTP服务器的用户密码
$mailsubject="中文";//邮件主题
$mailbody="

中文

测试下能淤泥新年感";//邮件内容
$mailtype="HTML";//邮件格式（HTML/TXT）,TXT为文本邮件
##########################################
$smtp=newsmtp($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);
?>