php smtp实现发送邮件功能

　　本文实例为大家分享了php smtp发送邮件功能的具体代码，供大家参考，具体内容如下

　　 <?php header(Content-Type: text/html; charset=utf-8); 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 = 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); } 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; } } } ?>

　　调用

　　 <?php header(Content-Type: text/html; charset=utf-8); //引入发送邮件类 require(smtp.php); //使用163邮箱服务器 //163邮箱服务器端口 $smtpserverport = 25; //你的163服务器邮箱账号; //收件人邮箱 $smtpemailto = xxx@qq.com; //你的邮箱账号(去掉@163.com) $smtpuser = xxx;//你的163邮箱去掉后面的163.com //你的邮箱密码 $smtppass = xxx; //你的163邮箱SMTP的授权码，千万不要填密码！！！ //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); ?>

　　代码链接：

　　sendmail

　　以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。