php用smtp发送邮件

<?php
date_default_timezone_set('Asia/Shanghai');  // 'Asia/Chongqing' or 'PRC'
require_once ('mail.class.php'); 
 
$smtpserver = "smtp.163.com";//SMTP服务器 
$smtpserverport =25;//SMTP服务器端口 
$smtpusermail = "[email protected]";//SMTP服务器的用户邮箱 
$smtpemailto = "[email protected]";//发送给谁 
$smtpuser = "[email protected]";//SMTP服务器的用户帐号 
$smtppass = "******";//SMTP服务器的用户密码,此例为163邮箱的第三方授权登录密码 
$mailsubject = "PHP100测试邮件系统";//邮件主题 
$mailbody = "<h1> 测试邮箱发送信息 </h1>";//邮件内容 
$mailtype = "HTML";//邮件格式(HTML/TXT),TXT为文本邮件 
 
$smtp = new smtp($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 = false;//是否显示发送的调试信息
$res=$smtp->sendmail($smtpemailto, $smtpusermail, $mailsubject, $mailbody, $mailtype); 
var_dump($res);//boolean (true or false)
?> 
<?php 
class smtp 
{ 
        /* Public Variables */ 
        public $smtp_port; 
        public $time_out; 
        public $host_name; 
        public $log_file; 
        public $relay_host; 
        public $debug; 
        public $auth; 
        public $user; 
        public $pass; 
         
        /* Private Variables */ 
        private $sock; 
     
        /* Constractor */ 
		// function __construct($relay_host = "", $smtp_port = 25,$auth = false,$user,$pass) //与下作用相同
        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 = "") 
        { 
			$header = '';
            $mail_from = $this->get_address($this->strip_comment($from)); 
            $body = preg_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"); 
            } 
            echo "<br>"; 
            echo $header; //
            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) 
        { 
            $domain = preg_replace("/^.+@([^@]+)$/", "\\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 (!preg_match("/^[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) 
        { 
            $comment = "/\\([^()]*\\)/"; 
            while (preg_match($comment, $address)) { 
                $address = preg_replace($comment, "", $address); 
            } 
             
            return $address; 
        } 
     
        function get_address($address) 
        { 
            $address = preg_replace("/([ \t\r\n])+/", "", $address); 
            $address = preg_replace("/^.*<(.+)>.*$/", "\\1", $address); 
             
            return $address; 
        } 
     
        function smtp_debug($message) 
        { 
            if ($this->debug) { 
                echo $message."<br>"; 
            } 
        } 
     
		function get_attach_type($image_tag) { // 
		 
			$filedata = array(); 
			 
			$img_file_con=fopen($image_tag,"r"); 
			unset($image_data); 
			while ($tem_buffer=AddSlashes(fread($img_file_con,filesize($image_tag)))) 
			$image_data.=$tem_buffer; 
			fclose($img_file_con); 
		 
			$filedata['context'] = $image_data; 
			$filedata['filename']= basename($image_tag); 
			$extension=substr($image_tag,strrpos($image_tag,"."),strlen($image_tag)-strrpos($image_tag,".")); 
			switch($extension){ 
				case ".gif": 
					$filedata['type'] = "image/gif"; 
					break; 
				case ".gz": 
					$filedata['type'] = "application/x-gzip"; 
					break; 
				case ".htm": 
					$filedata['type'] = "text/html"; 
					break; 
				case ".html": 
					$filedata['type'] = "text/html"; 
					break; 
				case ".jpg": 
					$filedata['type'] = "image/jpeg"; 
					break; 
				case ".tar": 
					$filedata['type'] = "application/x-tar"; 
					break; 
				case ".txt": 
					$filedata['type'] = "text/plain"; 
					break; 
				case ".zip": 
					$filedata['type'] = "application/zip"; 
					break; 
				default: 
					$filedata['type'] = "application/octet-stream"; 
					break; 
			} 
			return $filedata; 
		} 
     
} // end class 
?> 

转载地址 https://www.cnblogs.com/Dong-Ge/p/7063314.html

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转载自blog.csdn.net/xyf_1995/article/details/81234229