PHP发送邮箱的方法 采用的smtp方式
首先进入163邮箱 设置  POP3/SMTP服务打勾 然后会提示你设置授权密码就是SMTP服务器的用户密码
smtp.php文件代码<pre><?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("(^|(\r\n))(\.)", "\1.\3", $body);         $header .= "MIME-Version:1.0\r\n";         if($mailtype=="HTML")         {             $header .= "Content-Type:text/html\r\n";         }         $header .= "To: ".$to."\r\n";         if ($cc != "")          {             $header .= "Cc: ".$cc."\r\n";         }         $header .= "From: $from<".$from.">\r\n";         $header .= "Subject: ".$subject."\r\n";         $header .= $additional_headers;         $header .= "Date: ".date("r")."\r\n";         $header .= "X-Mailer:By Redhat (PHP/".phpversion().")\r\n";         list($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)));         }         $sent = TRUE;         foreach ($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 host\n");         }         return $sent;     } 
    /* Private Functions */     function smtp_send($helo, $from, $to, $header, $body = "")     {         if (!$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)     {         $domain = ereg_replace("^.+@([^@]+)$", "\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, $header."\r\n".$body);         $this->smtp_debug("> ".str_replace("\r\n", "\n"."> ", $header."\n> ".$body."\n> "));         return TRUE;     } 
    function smtp_eom()     {         fputs($this->sock, "\r\n.\r\n");         $this->smtp_debug(". [EOM]\n");         return $this->smtp_ok();     } 
    function smtp_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);             $this->log_write("Error: Remote host returned \"".$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."\r\n");         $this->smtp_debug("> ".$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("([ \t\r\n])+", "", $address);         $address = ereg_replace("^.*<(.+)>.*$", "\1", $address);         return $address;     } 
    function smtp_debug($message)     {         if ($this->debug)          {             echo $message;         }     } 
} ?></pre>
<?php//引入发送邮件类require("smtp.php");//使用163邮箱服务器$smtpserver = "smtp.163.com";//163邮箱服务器端口$smtpserverport = 25;//你的163服务器邮箱账号$smtpusermail = "a963529987@163.com";//收件人邮箱$smtpemailto = "963529987@qq.com";//你的邮箱账号(去掉@163.com)$smtpuser = "a963529987";//SMTP服务器的用户帐号//你的邮箱密码$smtppass = "a963529987"; //SMTP服务器的用户密码
//邮件主题$mailsubject = "测试邮件发送";//邮件内容$mailbody = "PHP+MySQL";//邮件格式（HTML/TXT）,TXT为文本邮件$mailtype = "TXT";//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,$smtpserverport,true,$smtpuser,$smtppass);//是否显示发送的调试信息$smtp->debug = TRUE;//发送邮件$smtp->sendmail($smtpemailto, $smtpusermail, $mailsubject, $mailbody, $mailtype);?>
1 运行代码会出现如下
Trying to smtp.163.com:25 220 163.com Anti-spam GT for Coremail System (163com[20141201]) Connected to relay host smtp.163.com > HELO localhost 250 OK > AUTH LOGIN YTk2MzUyOTk4Nw== 334 UGFzc3dvcmQ6 > YTk2MzUyOTk4Nw== 235 Authentication successful > MAIL FROM: 250 Mail OK > RCPT TO:<963529987@qq.com> 250 Mail OK > DATA 354 End data with . > MIME-Version:1.0 > To: 963529987@qq.com > From: a963529987@163.com > Subject: 测试邮件发送 > Date: Wed, 04 Jan 2017 15:44:20 +0800 > X-Mailer:By Redhat (PHP/5.6.22) > Message-ID: <20170104154420.322277.a963529987@163.com> > > PHP+MySQL > . [EOM] 250 Mail OK queued as smtp7,C8CowADHLtvUp2xYGA_jHA--.37009S2 1483515861 > QUIT 221 Bye E-mail has been sent to <963529987@qq.com> Disconnected from remote host 就是发送成功了
ps:别忘记qq邮箱 设置里 反垃圾设置下白名单 不然会被系统拦截