PHP实现发送邮件的方法(基于简单邮件发送类)
本文实例讲述了PHP实现发送邮件的方法。分享给大家供大家参考，具体如下：
邮件发送类
<?php
/*邮件发送类
*功能：使用smtp服务器发送邮件
*/
classsmtp{
/*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*/
functionsmtp($relay_host="",$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;//isusedinfsockopen()
$this->auth=$auth;//auth
$this->user=$user;
$this->pass=$pass;
$this->host_name="localhost";//isusedinHELOcommand
$this->log_file=$log_file;//邮件发送成功失败的日志记录文件
$this->sock=FALSE;
}
functionmail_encode($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*/
functionsendmail($flag,$boundary,$to,$from,$subject="",$body="",$mailtype,$cc="",$bcc="",$additional_headers=""){
$mail_from=$this->get_address($this->strip_comment($from));
$body=ereg_replace('(^|(\r\n))(\.)',"\1.\3",$body);
$header="MIME-Version:1.0\r\n";
if($mailtype=="HTML"){
if($flag==2){
$header.="Content-Type:multipart/mixed;boundary=$boundary\r\n";
}else{
$header.="Content-Type:text/html;charset=\"UTF-8\"\r\n";
}
}
$header.="To:".$to."\r\n";
if($cc!=""){
$header.="Cc:".$cc."\r\n";
}
$header.="From:$from<".$from.">\r\n";
$subject=self::mail_encode($subject);
$header.="Subject:".$subject."\r\n";
$header.=$additional_headers;
$header.="Date:".date("r")."\r\n";
$header.="X-Mailer:Byredhat(PHP/".phpversion().")\r\n";
list($msec,$sec)=explode("",microtime());
$header.="Message-ID:<".date("YmdHis",$sec).".".($msec*1000000).".".$mail_from.">\r\n";
$TO=explode(",",$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);
$this->log_write("Disconnectedfromremotehost\n");
}
return$sent;
}
/*私有函数*/
functionsmtp_send($helo,$from,$to,$header,$body=""){
if(!$this->smtp_putcmd("HELO",$helo)){
return$this->smtp_error("sendingHELOcommand");
}
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$this->smtp_error("sending<CR><LF>.<CR><LF>[EOM]");
}
if(!$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){
$domain=ereg_replace("^.+@([^@]+){1}quot;,"\1",$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."\r\n".$body);
$this->smtp_debug(">".str_replace("\r\n","\n".">",$header."\n>".$body."\n>"));
returnTRUE;
}
functionsmtp_eom(){
fputs($this->sock,"\r\n.\r\n");
$this->smtp_debug(".[EOM]\n");
return$this->smtp_ok();
}
functionsmtp_ok(){
$response=str_replace("\r\n","",fgets($this->sock,512));
$this->smtp_debug($response."\n");
if(!ereg("^[23]",$response)){
fputs($this->sock,"QUIT\r\n");
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."\r\n");
$this->smtp_debug(">".$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){
$address=ereg_replace("([\t\r\n])+","",$address);
$address=ereg_replace("^.*<(.+)>.*{1}quot;,"\1",$address);
return$address;
}
functionsmtp_debug($message){
if($this->debug){
echo$message;
}
}
}
?>
调用邮件发送类发送邮件
<?php
//文件全路径名称，文件名称
functionsend_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("");
$headers="Content-type:multipart/mixed;boundary=$boundary\r\n";
//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"){
$body="--$boundary\r\n";//此必须\r\n
$body.="Content-Type:text/html\r\n\r\n";//此必须\r\n\r\n
$body.="$content\r\n";
$body.="--$boundary\r\n";
$body.="Content-type:$mimeType;name=$fileName\r\n";
$body.="Content-disposition:attachment;filename=$fileName\r\n";
$body.="Content-Transfer-Encoding:BASE64\r\n\r\n";
$body.="$read\r\n\r\n";
$body.="--$boundary--\r\n";
}else{
$body="--$boundary\r\n";
$body.="Content-type:Content-type:text/plain;charset=iso-8859-1\r\n\r\n";
$body.="Content-transfer-encoding:8bit\r\n\r\n";
$body.="$content\r\n\r\n";
$body.="--$boundary\r\n";
$body.="Content-type:$mimeType;name=$fileName\r\n\r\n";
$body.="Content-disposition:attachment;filename=$fileName\r\n\r\n";
$body.="Content-transfer-encoding:base64\r\n\r\n";
$body.="$read\r\n\r\n";
$body.="--$boundary--\r\n";
}
}
$mailbody=$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.
$smtp=newsmtp($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");
}
}
?>
希望本文所述对大家php程序设计有所帮助。